./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i --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_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e46fdb43c1704e8aa9295c108b22e9521ffebb273e9060ca31abf40569948ab2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:54:27,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:54:27,424 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:54:27,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:54:27,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:54:27,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:54:27,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:54:27,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:54:27,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:54:27,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:54:27,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:54:27,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:54:27,456 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:54:27,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:54:27,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:54:27,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:54:27,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:54:27,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:54:27,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:54:27,459 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:54:27,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:54:27,461 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:54:27,461 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:54:27,462 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:54:27,462 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:54:27,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:54:27,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:54:27,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:54:27,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:54:27,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:54:27,465 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:54:27,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:54:27,477 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:54:27,477 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_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e46fdb43c1704e8aa9295c108b22e9521ffebb273e9060ca31abf40569948ab2 [2023-12-03 03:54:27,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:54:27,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:54:27,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:54:27,736 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:54:27,736 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:54:27,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i [2023-12-03 03:54:30,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:54:30,715 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:54:30,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i [2023-12-03 03:54:30,721 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/data/36c0763f6/676fc66b21e54686bacb4d285cce95b2/FLAGa652ae8a0 [2023-12-03 03:54:30,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/data/36c0763f6/676fc66b21e54686bacb4d285cce95b2 [2023-12-03 03:54:30,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:54:30,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:54:30,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:54:30,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:54:30,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:54:30,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:54:30" (1/1) ... [2023-12-03 03:54:30,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3834bfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:30, skipping insertion in model container [2023-12-03 03:54:30,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:54:30" (1/1) ... [2023-12-03 03:54:30,769 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:54:30,918 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_2bd3727c-a28e-475c-984b-f6c964256d28/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i[951,964] [2023-12-03 03:54:30,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:54:30,941 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:54:30,955 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_2bd3727c-a28e-475c-984b-f6c964256d28/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i[951,964] [2023-12-03 03:54:30,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:54:30,975 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:54:30,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:30 WrapperNode [2023-12-03 03:54:30,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:54:30,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:54:30,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:54:30,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:54:30,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:30" (1/1) ... [2023-12-03 03:54:30,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:30" (1/1) ... [2023-12-03 03:54:31,009 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-12-03 03:54:31,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:54:31,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:54:31,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:54:31,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:54:31,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:30" (1/1) ... [2023-12-03 03:54:31,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:30" (1/1) ... [2023-12-03 03:54:31,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:30" (1/1) ... [2023-12-03 03:54:31,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:30" (1/1) ... [2023-12-03 03:54:31,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:30" (1/1) ... [2023-12-03 03:54:31,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:30" (1/1) ... [2023-12-03 03:54:31,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:30" (1/1) ... [2023-12-03 03:54:31,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:30" (1/1) ... [2023-12-03 03:54:31,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:54:31,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:54:31,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:54:31,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:54:31,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:30" (1/1) ... [2023-12-03 03:54:31,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:54:31,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:54:31,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:54:31,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:54:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:54:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:54:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:54:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:54:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:54:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:54:31,146 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:54:31,147 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:54:31,269 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:54:31,309 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:54:31,310 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:54:31,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:54:31 BoogieIcfgContainer [2023-12-03 03:54:31,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:54:31,312 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:54:31,312 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:54:31,322 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:54:31,322 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:54:31" (1/1) ... [2023-12-03 03:54:31,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:54:31,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:31,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-12-03 03:54:31,386 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-12-03 03:54:31,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:54:31,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:31,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:31,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:54:31,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:31,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:31,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-12-03 03:54:31,556 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-03 03:54:31,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:54:31,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:31,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:31,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:31,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:31,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:31,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-12-03 03:54:31,716 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-12-03 03:54:31,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:54:31,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:31,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:31,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:54:31,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:31,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:31,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:31,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-12-03 03:54:31,900 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-12-03 03:54:31,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:54:31,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:31,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:31,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:54:31,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:32,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:32,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-12-03 03:54:32,876 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-12-03 03:54:32,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:54:32,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:32,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:32,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:54:32,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:32,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:33,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2023-12-03 03:54:33,084 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2023-12-03 03:54:33,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:54:33,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:33,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:33,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:54:33,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:33,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:34,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:34,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2023-12-03 03:54:34,536 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2023-12-03 03:54:34,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:54:34,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:34,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:34,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:54:34,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:34,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:34,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:34,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 75 transitions. [2023-12-03 03:54:34,994 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2023-12-03 03:54:34,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:54:34,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:34,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:35,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 03:54:35,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:35,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:54:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:36,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 47 states and 90 transitions. [2023-12-03 03:54:36,487 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2023-12-03 03:54:36,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:54:36,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:36,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:36,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:54:36,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:36,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:54:37,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:37,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 51 states and 102 transitions. [2023-12-03 03:54:37,312 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 102 transitions. [2023-12-03 03:54:37,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:54:37,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:37,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:37,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:54:37,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:37,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:37,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 53 states and 110 transitions. [2023-12-03 03:54:37,623 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 110 transitions. [2023-12-03 03:54:37,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:54:37,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:37,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:37,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:54:37,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:38,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:38,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 57 states and 119 transitions. [2023-12-03 03:54:38,427 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 119 transitions. [2023-12-03 03:54:38,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:54:38,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:38,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:38,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:54:38,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:38,742 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:39,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:39,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 59 states and 121 transitions. [2023-12-03 03:54:39,456 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 121 transitions. [2023-12-03 03:54:39,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:54:39,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:39,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:39,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:54:39,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:39,575 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:40,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:40,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 64 states and 132 transitions. [2023-12-03 03:54:40,693 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 132 transitions. [2023-12-03 03:54:40,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:54:40,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:40,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:40,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:54:40,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 03:54:41,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2023-12-03 03:54:41,348 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2023-12-03 03:54:41,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:54:41,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:41,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:41,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:54:41,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:42,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:42,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 69 states and 146 transitions. [2023-12-03 03:54:42,128 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 146 transitions. [2023-12-03 03:54:42,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:54:42,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:42,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:42,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:54:42,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:42,238 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:43,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:43,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 72 states and 153 transitions. [2023-12-03 03:54:43,066 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 153 transitions. [2023-12-03 03:54:43,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:54:43,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:43,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:43,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:54:43,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:43,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:44,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:44,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 78 states and 173 transitions. [2023-12-03 03:54:44,813 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 173 transitions. [2023-12-03 03:54:44,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:54:44,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:44,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:44,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:54:44,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:44,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:47,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:47,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 83 states and 191 transitions. [2023-12-03 03:54:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 191 transitions. [2023-12-03 03:54:47,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:54:47,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:47,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:47,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:54:47,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:47,348 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:47,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:47,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 85 states and 203 transitions. [2023-12-03 03:54:47,651 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 203 transitions. [2023-12-03 03:54:47,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:54:47,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:47,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:47,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 03:54:47,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:49,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 90 states and 215 transitions. [2023-12-03 03:54:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 215 transitions. [2023-12-03 03:54:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:54:49,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:49,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:49,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:54:49,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:49,967 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 93 states and 230 transitions. [2023-12-03 03:54:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 230 transitions. [2023-12-03 03:54:51,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:54:51,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:51,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:51,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:54:51,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:52,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:52,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 96 states and 240 transitions. [2023-12-03 03:54:52,451 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 240 transitions. [2023-12-03 03:54:52,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:54:52,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:52,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:52,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 03:54:52,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:56,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:56,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 102 states and 257 transitions. [2023-12-03 03:54:56,716 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 257 transitions. [2023-12-03 03:54:56,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:54:56,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:56,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:56,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:54:56,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 03:54:57,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:57,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 105 states and 265 transitions. [2023-12-03 03:54:57,554 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 265 transitions. [2023-12-03 03:54:57,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:54:57,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:57,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:57,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:54:57,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:57,594 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:58,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:58,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 105 states and 264 transitions. [2023-12-03 03:54:58,044 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 264 transitions. [2023-12-03 03:54:58,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:54:58,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:58,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:58,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 03:54:58,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:59,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:59,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 108 states and 271 transitions. [2023-12-03 03:54:59,581 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 271 transitions. [2023-12-03 03:54:59,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:54:59,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:59,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:59,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 03:54:59,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:59,866 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:03,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:03,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 112 states and 286 transitions. [2023-12-03 03:55:03,083 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 286 transitions. [2023-12-03 03:55:03,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:55:03,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:03,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:03,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 03:55:03,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:03,211 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:04,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:04,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 115 states and 294 transitions. [2023-12-03 03:55:04,750 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 294 transitions. [2023-12-03 03:55:04,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:55:04,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:04,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:04,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:55:04,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:04,801 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:07,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 121 states and 315 transitions. [2023-12-03 03:55:07,712 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 315 transitions. [2023-12-03 03:55:07,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:55:07,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:07,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:07,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 03:55:07,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 123 states and 319 transitions. [2023-12-03 03:55:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 319 transitions. [2023-12-03 03:55:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:55:09,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:09,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:09,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 03:55:09,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:11,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 126 states and 326 transitions. [2023-12-03 03:55:11,414 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 326 transitions. [2023-12-03 03:55:11,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:55:11,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:11,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:11,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:55:11,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:11,449 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:12,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:12,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 128 states and 329 transitions. [2023-12-03 03:55:12,655 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 329 transitions. [2023-12-03 03:55:12,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:55:12,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:12,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:12,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 03:55:12,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:14,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 130 states and 333 transitions. [2023-12-03 03:55:14,230 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 333 transitions. [2023-12-03 03:55:14,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:55:14,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:14,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:14,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:55:14,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:14,471 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 132 states and 334 transitions. [2023-12-03 03:55:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 334 transitions. [2023-12-03 03:55:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:55:14,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:14,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:15,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 03:55:15,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:15,292 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:19,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:19,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 141 states and 365 transitions. [2023-12-03 03:55:19,813 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 365 transitions. [2023-12-03 03:55:19,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:55:19,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:19,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:19,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:55:19,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:20,351 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:22,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:22,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 142 states and 371 transitions. [2023-12-03 03:55:22,329 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 371 transitions. [2023-12-03 03:55:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:55:22,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:22,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:22,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:55:22,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:22,674 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:24,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:24,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 99 states and 213 transitions. [2023-12-03 03:55:24,866 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 213 transitions. [2023-12-03 03:55:24,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:55:24,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:24,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:24,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:55:24,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:24,938 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 03:55:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 101 states and 217 transitions. [2023-12-03 03:55:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 217 transitions. [2023-12-03 03:55:26,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:55:26,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:26,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:27,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 03:55:27,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:27,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:35,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:35,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 108 states and 246 transitions. [2023-12-03 03:55:35,367 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 246 transitions. [2023-12-03 03:55:35,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:55:35,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:35,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:35,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:55:35,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 114 states and 271 transitions. [2023-12-03 03:55:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 271 transitions. [2023-12-03 03:55:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:55:38,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:38,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:38,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:55:38,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:44,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:44,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 117 states and 277 transitions. [2023-12-03 03:55:44,023 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 277 transitions. [2023-12-03 03:55:44,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:55:44,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:44,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:44,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:55:44,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:44,517 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:47,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:47,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 119 states and 280 transitions. [2023-12-03 03:55:47,322 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 280 transitions. [2023-12-03 03:55:47,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:55:47,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:47,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:47,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 03:55:47,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:47,783 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:52,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 122 states and 285 transitions. [2023-12-03 03:55:52,564 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 285 transitions. [2023-12-03 03:55:52,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:55:52,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:52,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:52,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:55:52,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:53,357 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-03 03:55:54,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:54,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 122 states and 262 transitions. [2023-12-03 03:55:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 262 transitions. [2023-12-03 03:55:54,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:55:54,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:54,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:54,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 03:55:54,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:55,331 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:59,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 124 states and 264 transitions. [2023-12-03 03:55:59,604 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 264 transitions. [2023-12-03 03:55:59,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:55:59,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:59,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:59,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:55:59,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:56:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:02,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 124 states and 263 transitions. [2023-12-03 03:56:02,971 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 263 transitions. [2023-12-03 03:56:02,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:56:02,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:02,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:03,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 03:56:03,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:08,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:08,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 128 states and 269 transitions. [2023-12-03 03:56:08,188 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 269 transitions. [2023-12-03 03:56:08,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:56:08,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:08,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:08,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:56:08,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:08,774 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:12,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:12,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 130 states and 282 transitions. [2023-12-03 03:56:12,529 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 282 transitions. [2023-12-03 03:56:12,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:56:12,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:12,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:12,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:56:12,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:12,858 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 131 states and 284 transitions. [2023-12-03 03:56:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 284 transitions. [2023-12-03 03:56:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:56:14,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:14,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:14,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:56:14,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:14,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:14,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 132 states and 285 transitions. [2023-12-03 03:56:14,892 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 285 transitions. [2023-12-03 03:56:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:56:14,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:14,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:14,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 03:56:14,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:15,608 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:56:31,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 03:56:31,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 140 states and 317 transitions. [2023-12-03 03:56:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 317 transitions. [2023-12-03 03:56:31,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:56:31,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:31,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:31,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 03:56:31,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:56:34,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:34,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 143 states and 323 transitions. [2023-12-03 03:56:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 323 transitions. [2023-12-03 03:56:34,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:56:34,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:34,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:34,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:56:34,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:46,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 03:56:46,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:46,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 145 states and 327 transitions. [2023-12-03 03:56:46,297 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 327 transitions. [2023-12-03 03:56:46,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:56:46,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:46,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:46,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:56:46,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:46,662 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:56:49,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:49,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 148 states and 330 transitions. [2023-12-03 03:56:49,180 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 330 transitions. [2023-12-03 03:56:49,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:56:49,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:49,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:49,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 03:56:49,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:52,192 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:10,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:10,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 158 states and 363 transitions. [2023-12-03 03:57:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 363 transitions. [2023-12-03 03:57:10,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:57:10,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:10,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:10,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:57:10,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:10,800 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:57:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:14,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 160 states and 368 transitions. [2023-12-03 03:57:14,017 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 368 transitions. [2023-12-03 03:57:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:57:14,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:14,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:14,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:57:14,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:14,394 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:57:16,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:16,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 89 states and 128 transitions. [2023-12-03 03:57:16,268 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2023-12-03 03:57:16,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:57:16,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:16,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:26,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-03 03:57:26,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:57:30,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:30,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 78 states and 104 transitions. [2023-12-03 03:57:30,159 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2023-12-03 03:57:30,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:57:30,160 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 59 iterations. [2023-12-03 03:57:30,167 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 03:57:31,853 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:57:31,856 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:57:31,856 INFO L560 CodeCheckObserver]: Invariant with dag size 43 [2023-12-03 03:57:31,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:57:31 ImpRootNode [2023-12-03 03:57:31,861 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:57:31,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:57:31,861 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:57:31,861 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:57:31,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:54:31" (3/4) ... [2023-12-03 03:57:31,863 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:57:31,865 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 03:57:31,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-03 03:57:31,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 03:57:31,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 03:57:31,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:57:31,933 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:57:31,934 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:57:31,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:57:31,935 INFO L158 Benchmark]: Toolchain (without parser) took 181196.22ms. Allocated memory was 125.8MB in the beginning and 490.7MB in the end (delta: 364.9MB). Free memory was 88.8MB in the beginning and 341.4MB in the end (delta: -252.7MB). Peak memory consumption was 114.1MB. Max. memory is 16.1GB. [2023-12-03 03:57:31,935 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:57:31,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.68ms. Allocated memory is still 125.8MB. Free memory was 88.6MB in the beginning and 77.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:57:31,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.83ms. Allocated memory is still 125.8MB. Free memory was 77.7MB in the beginning and 76.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:57:31,937 INFO L158 Benchmark]: Boogie Preprocessor took 19.29ms. Allocated memory is still 125.8MB. Free memory was 76.1MB in the beginning and 75.2MB in the end (delta: 931.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:57:31,937 INFO L158 Benchmark]: RCFGBuilder took 281.82ms. Allocated memory is still 125.8MB. Free memory was 75.2MB in the beginning and 63.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:57:31,938 INFO L158 Benchmark]: CodeCheck took 180548.55ms. Allocated memory was 125.8MB in the beginning and 490.7MB in the end (delta: 364.9MB). Free memory was 63.4MB in the beginning and 346.6MB in the end (delta: -283.2MB). Peak memory consumption was 349.0MB. Max. memory is 16.1GB. [2023-12-03 03:57:31,938 INFO L158 Benchmark]: Witness Printer took 73.27ms. Allocated memory is still 490.7MB. Free memory was 345.6MB in the beginning and 341.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:57:31,940 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 178.8s, OverallIterations: 59, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14562 SdHoareTripleChecker+Valid, 250.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12662 mSDsluCounter, 3425 SdHoareTripleChecker+Invalid, 236.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1820 mSDsCounter, 15201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63407 IncrementalHoareTripleChecker+Invalid, 78608 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15201 mSolverCounterUnsat, 1605 mSDtfsCounter, 63407 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15832 GetRequests, 14317 SyntacticMatches, 621 SemanticMatches, 894 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430295 ImplicationChecksByTransitivity, 140.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 12.2s SatisfiabilityAnalysisTime, 15.5s InterpolantComputationTime, 1198 NumberOfCodeBlocks, 1198 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 1140 ConstructedInterpolants, 0 QuantifiedInterpolants, 7847 SizeOfPredicates, 134 NumberOfNonLiveVariables, 4268 ConjunctsInSsa, 865 ConjunctsInUnsatCore, 58 InterpolantComputations, 13 PerfectInterpolantSequences, 354/883 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((((b == 8) && (counter <= 3)) && (q == 0)) && (A == r)) && (2 < counter)) && (4 <= (r % 4294967296))) || ((((q == 0) && (A == r)) && (4 <= (r % 4294967296))) && (4 < counter))) || (((((((b == 4) && (1 < counter)) && (q == 0)) && (2 <= (r % 4294967296))) && (A == r)) && (B == 1)) && (counter <= 2))) || ((((((b == 1) && (0 <= counter)) && (counter <= 0)) && (q == 0)) && (A == r)) && (B == 1))) || (((((((counter <= 1) && (0 < counter)) && (1 <= (r % 4294967296))) && (q == 0)) && (A == r)) && (2 == b)) && (B == 1))) || (((((16 == b) && (3 < counter)) && (q == 0)) && (A == r)) && (4 <= (r % 4294967296)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.68ms. Allocated memory is still 125.8MB. Free memory was 88.6MB in the beginning and 77.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.83ms. Allocated memory is still 125.8MB. Free memory was 77.7MB in the beginning and 76.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.29ms. Allocated memory is still 125.8MB. Free memory was 76.1MB in the beginning and 75.2MB in the end (delta: 931.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.82ms. Allocated memory is still 125.8MB. Free memory was 75.2MB in the beginning and 63.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 180548.55ms. Allocated memory was 125.8MB in the beginning and 490.7MB in the end (delta: 364.9MB). Free memory was 63.4MB in the beginning and 346.6MB in the end (delta: -283.2MB). Peak memory consumption was 349.0MB. Max. memory is 16.1GB. * Witness Printer took 73.27ms. Allocated memory is still 490.7MB. Free memory was 345.6MB in the beginning and 341.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:57:32,151 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 03:57:32,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3727c-a28e-475c-984b-f6c964256d28/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE