./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV --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 74ee724e3f951f784979d99a99eb9387abbe4e82f01cf4b5e019c1ec7f3be827 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:03:32,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:32,424 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-12 00:03:32,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:03:32,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:03:32,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:32,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:03:32,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:03:32,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:32,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:32,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:32,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:03:32,461 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:03:32,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:03:32,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:03:32,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:32,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:03:32,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:32,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:03:32,466 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:03:32,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:03:32,467 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:32,468 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:32,468 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:32,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:32,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:32,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:32,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:32,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:03:32,471 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:03:32,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:03:32,472 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:03:32,473 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_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74ee724e3f951f784979d99a99eb9387abbe4e82f01cf4b5e019c1ec7f3be827 [2023-11-12 00:03:32,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:32,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:32,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:32,744 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:32,744 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:32,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c [2023-11-12 00:03:35,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:36,115 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:36,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9af2989-330e-4bfe-8a6a-cfefad11a523/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c [2023-11-12 00:03:36,129 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV/data/68698cd38/e639a1b6d2434aa089ace2263ab476e3/FLAGe1e2aaa3b [2023-11-12 00:03:36,147 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV/data/68698cd38/e639a1b6d2434aa089ace2263ab476e3 [2023-11-12 00:03:36,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:36,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:36,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:36,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:36,159 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:36,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:36" (1/1) ... [2023-11-12 00:03:36,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38615115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:36, skipping insertion in model container [2023-11-12 00:03:36,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:36" (1/1) ... [2023-11-12 00:03:36,183 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:36,363 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_c9af2989-330e-4bfe-8a6a-cfefad11a523/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c[520,533] [2023-11-12 00:03:36,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:36,399 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:03:36,415 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_c9af2989-330e-4bfe-8a6a-cfefad11a523/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c[520,533] [2023-11-12 00:03:36,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:36,451 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:03:36,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:36 WrapperNode [2023-11-12 00:03:36,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:36,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:36,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:03:36,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:03:36,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:36" (1/1) ... [2023-11-12 00:03:36,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:36" (1/1) ... [2023-11-12 00:03:36,491 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-11-12 00:03:36,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:36,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:03:36,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:03:36,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:03:36,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:36" (1/1) ... [2023-11-12 00:03:36,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:36" (1/1) ... [2023-11-12 00:03:36,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:36" (1/1) ... [2023-11-12 00:03:36,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:36" (1/1) ... [2023-11-12 00:03:36,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:36" (1/1) ... [2023-11-12 00:03:36,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:36" (1/1) ... [2023-11-12 00:03:36,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:36" (1/1) ... [2023-11-12 00:03:36,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:36" (1/1) ... [2023-11-12 00:03:36,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:03:36,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:03:36,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:03:36,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:03:36,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:36" (1/1) ... [2023-11-12 00:03:36,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:36,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:03:36,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:03:36,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9af2989-330e-4bfe-8a6a-cfefad11a523/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:03:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:03:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:03:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:03:36,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:03:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:03:36,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:03:36,697 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:03:36,699 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:03:36,844 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:03:36,863 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:03:36,863 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:03:36,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:36 BoogieIcfgContainer [2023-11-12 00:03:36,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:03:36,867 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:03:36,867 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:03:36,878 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:03:36,878 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:36" (1/1) ... [2023-11-12 00:03:36,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:03:36,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:36,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-12 00:03:36,948 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-12 00:03:36,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:03:36,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:36,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:37,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:37,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-12 00:03:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-12 00:03:37,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:03:37,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:37,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:37,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-12 00:03:37,396 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-12 00:03:37,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:03:37,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:37,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:37,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:37,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:37,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 38 transitions. [2023-11-12 00:03:37,948 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2023-11-12 00:03:37,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:03:37,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:37,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:37,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-12 00:03:37,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-11-12 00:03:39,125 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-12 00:03:39,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:03:39,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:39,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:39,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-12 00:03:39,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:39,273 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:03:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:39,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 49 transitions. [2023-11-12 00:03:39,426 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-12 00:03:39,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:03:39,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:39,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:39,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:03:39,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:39,487 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:03:39,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:39,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2023-11-12 00:03:39,626 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-12 00:03:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 00:03:39,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:39,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:39,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:03:39,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:39,811 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-12 00:03:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:40,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 43 states and 89 transitions. [2023-11-12 00:03:40,979 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 89 transitions. [2023-11-12 00:03:40,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 00:03:40,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:40,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:41,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 00:03:41,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:41,206 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-12 00:03:41,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:41,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 94 transitions. [2023-11-12 00:03:41,946 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2023-11-12 00:03:41,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-12 00:03:41,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:41,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:41,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:03:41,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-12 00:03:42,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:42,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 48 states and 101 transitions. [2023-11-12 00:03:42,609 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 101 transitions. [2023-11-12 00:03:42,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-12 00:03:42,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:42,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:42,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-12 00:03:42,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-12 00:03:43,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:43,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 52 states and 113 transitions. [2023-11-12 00:03:43,857 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 113 transitions. [2023-11-12 00:03:43,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-12 00:03:43,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:43,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:43,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-12 00:03:43,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:43,987 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-12 00:03:44,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:44,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 52 states and 112 transitions. [2023-11-12 00:03:44,532 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 112 transitions. [2023-11-12 00:03:44,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-12 00:03:44,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:44,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:44,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:03:44,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:44,783 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-12 00:03:45,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:45,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 52 states and 111 transitions. [2023-11-12 00:03:45,850 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 111 transitions. [2023-11-12 00:03:45,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-12 00:03:45,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:45,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:45,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-12 00:03:45,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:46,064 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-12 00:03:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 53 states and 119 transitions. [2023-11-12 00:03:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 119 transitions. [2023-11-12 00:03:46,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-12 00:03:46,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:46,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:46,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:03:46,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:46,648 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-12 00:03:46,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:46,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 54 states and 121 transitions. [2023-11-12 00:03:46,889 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 121 transitions. [2023-11-12 00:03:46,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-12 00:03:46,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:46,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:46,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-12 00:03:46,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-12 00:03:48,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:48,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 57 states and 127 transitions. [2023-11-12 00:03:48,054 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 127 transitions. [2023-11-12 00:03:48,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-12 00:03:48,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:48,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:48,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:03:48,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-12 00:03:50,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 67 states and 176 transitions. [2023-11-12 00:03:50,179 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 176 transitions. [2023-11-12 00:03:50,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-12 00:03:50,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:50,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:50,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-12 00:03:50,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:50,290 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-12 00:03:51,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 70 states and 181 transitions. [2023-11-12 00:03:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 181 transitions. [2023-11-12 00:03:51,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-12 00:03:51,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:51,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:51,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:03:51,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:51,216 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-12 00:03:51,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:51,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 70 states and 180 transitions. [2023-11-12 00:03:51,562 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 180 transitions. [2023-11-12 00:03:51,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-12 00:03:51,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:51,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:51,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:03:51,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-12 00:03:51,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:51,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 70 states and 179 transitions. [2023-11-12 00:03:51,967 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 179 transitions. [2023-11-12 00:03:51,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-12 00:03:51,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:51,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:51,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:03:51,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:52,026 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-12 00:03:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 70 states and 178 transitions. [2023-11-12 00:03:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 178 transitions. [2023-11-12 00:03:52,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-12 00:03:52,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:52,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:52,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-12 00:03:52,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:52,978 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-12 00:03:54,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:54,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 72 states and 193 transitions. [2023-11-12 00:03:54,391 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 193 transitions. [2023-11-12 00:03:54,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-12 00:03:54,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:54,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:54,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-12 00:03:54,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:54,891 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-12 00:03:55,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:55,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 74 states and 194 transitions. [2023-11-12 00:03:55,748 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 194 transitions. [2023-11-12 00:03:55,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-12 00:03:55,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:55,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:55,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-12 00:03:55,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-12 00:03:57,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:57,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 74 states and 193 transitions. [2023-11-12 00:03:57,002 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 193 transitions. [2023-11-12 00:03:57,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-12 00:03:57,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:57,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:57,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-12 00:03:57,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-12 00:03:57,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:57,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 75 states and 205 transitions. [2023-11-12 00:03:57,979 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 205 transitions. [2023-11-12 00:03:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-12 00:03:57,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:57,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:58,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:03:58,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-12 00:03:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:58,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 76 states and 208 transitions. [2023-11-12 00:03:58,378 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 208 transitions. [2023-11-12 00:03:58,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-12 00:03:58,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:58,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:58,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-12 00:03:58,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:58,630 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-12 00:04:00,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:00,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 79 states and 214 transitions. [2023-11-12 00:04:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 214 transitions. [2023-11-12 00:04:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-12 00:04:00,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:00,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:00,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 00:04:00,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:00,647 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-12 00:04:03,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:03,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 89 states and 275 transitions. [2023-11-12 00:04:03,315 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 275 transitions. [2023-11-12 00:04:03,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-12 00:04:03,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:03,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:03,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-12 00:04:03,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-12 00:04:04,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:04,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 92 states and 280 transitions. [2023-11-12 00:04:04,643 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 280 transitions. [2023-11-12 00:04:04,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-12 00:04:04,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:04,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:04,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 00:04:04,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-12 00:04:05,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 92 states and 279 transitions. [2023-11-12 00:04:05,322 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 279 transitions. [2023-11-12 00:04:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-12 00:04:05,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:05,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:05,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-12 00:04:05,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-12 00:04:06,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 95 states and 284 transitions. [2023-11-12 00:04:06,729 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 284 transitions. [2023-11-12 00:04:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-12 00:04:06,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:06,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:06,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 00:04:06,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:06,889 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-12 00:04:07,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:07,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 95 states and 283 transitions. [2023-11-12 00:04:07,332 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 283 transitions. [2023-11-12 00:04:07,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-12 00:04:07,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:07,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:07,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:04:07,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-12 00:04:07,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:07,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 95 states and 282 transitions. [2023-11-12 00:04:07,832 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 282 transitions. [2023-11-12 00:04:07,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-12 00:04:07,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:07,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:07,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:04:07,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:07,901 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-12 00:04:08,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:08,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 95 states and 281 transitions. [2023-11-12 00:04:08,039 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 281 transitions. [2023-11-12 00:04:08,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-12 00:04:08,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:08,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:08,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:04:08,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-12 00:04:08,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:08,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 95 states and 280 transitions. [2023-11-12 00:04:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 280 transitions. [2023-11-12 00:04:08,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-12 00:04:08,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:08,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:08,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-12 00:04:08,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-12 00:04:12,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 97 states and 300 transitions. [2023-11-12 00:04:12,002 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 300 transitions. [2023-11-12 00:04:12,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-12 00:04:12,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:12,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:12,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-12 00:04:12,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-12 00:04:14,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 97 states and 299 transitions. [2023-11-12 00:04:14,099 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 299 transitions. [2023-11-12 00:04:14,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-12 00:04:14,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:14,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:14,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-12 00:04:14,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-12 00:04:16,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:16,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 99 states and 300 transitions. [2023-11-12 00:04:16,370 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 300 transitions. [2023-11-12 00:04:16,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-12 00:04:16,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:16,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:16,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-12 00:04:16,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:17,452 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-12 00:04:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:18,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 99 states and 299 transitions. [2023-11-12 00:04:18,348 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 299 transitions. [2023-11-12 00:04:18,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-12 00:04:18,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:18,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:18,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-12 00:04:18,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:18,668 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 21 proven. 64 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-12 00:04:19,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 100 states and 315 transitions. [2023-11-12 00:04:19,771 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 315 transitions. [2023-11-12 00:04:19,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-12 00:04:19,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:19,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:19,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:04:19,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:19,849 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-12 00:04:20,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:20,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 101 states and 319 transitions. [2023-11-12 00:04:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 319 transitions. [2023-11-12 00:04:20,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-12 00:04:20,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:20,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:20,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-12 00:04:20,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:20,554 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-12 00:04:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:22,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 104 states and 325 transitions. [2023-11-12 00:04:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 325 transitions. [2023-11-12 00:04:22,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-12 00:04:22,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:22,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:22,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-12 00:04:22,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:22,536 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-12 00:04:23,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:23,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 107 states and 330 transitions. [2023-11-12 00:04:23,868 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 330 transitions. [2023-11-12 00:04:23,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-12 00:04:23,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:23,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:23,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-12 00:04:23,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-12 00:04:25,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:25,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 110 states and 335 transitions. [2023-11-12 00:04:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 335 transitions. [2023-11-12 00:04:25,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-12 00:04:25,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:25,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:25,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:04:25,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:26,136 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.