./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 322f54fed62e27ecdc37b8dbd1ba5a40efbeb3c981a1a7430a57877b391f432f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:59:52,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:59:52,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:59:52,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:59:52,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:59:52,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:59:52,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:59:52,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:59:52,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:59:52,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:59:52,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:59:52,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:59:52,951 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:59:52,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:59:52,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:59:52,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:59:52,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:59:52,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:59:52,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:59:52,956 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:59:52,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:59:52,957 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:59:52,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:59:52,958 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:59:52,958 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:59:52,958 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:59:52,959 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:59:52,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:59:52,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:52,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:59:52,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:59:52,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:59:52,963 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:59:52,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:59:52,963 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:59:52,963 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_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 322f54fed62e27ecdc37b8dbd1ba5a40efbeb3c981a1a7430a57877b391f432f [2023-11-19 02:59:53,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:59:53,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:59:53,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:59:53,271 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:59:53,272 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:59:53,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound1.c [2023-11-19 02:59:56,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:59:56,700 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:59:56,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b8891c6-a119-4cde-a9b8-2a197d858273/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound1.c [2023-11-19 02:59:56,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL/data/47d6baa51/2f74050435be4d6ebce3bf4bd360b74e/FLAG0a1678bf4 [2023-11-19 02:59:56,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL/data/47d6baa51/2f74050435be4d6ebce3bf4bd360b74e [2023-11-19 02:59:56,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:59:56,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:59:56,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:56,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:59:56,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:59:56,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:56" (1/1) ... [2023-11-19 02:59:56,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27aa9804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:56, skipping insertion in model container [2023-11-19 02:59:56,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:56" (1/1) ... [2023-11-19 02:59:56,777 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:59:56,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:56,995 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:59:57,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:57,039 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:59:57,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57 WrapperNode [2023-11-19 02:59:57,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:57,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:57,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:59:57,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:59:57,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,078 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-11-19 02:59:57,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:57,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:59:57,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:59:57,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:59:57,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:59:57,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:59:57,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:59:57,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:59:57,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:57,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:59:57,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:59:57,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b8891c6-a119-4cde-a9b8-2a197d858273/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:59:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:59:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:59:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:59:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:59:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:59:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:59:57,274 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:59:57,276 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:59:57,418 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:59:57,461 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:59:57,461 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:59:57,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:57 BoogieIcfgContainer [2023-11-19 02:59:57,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:59:57,467 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:59:57,467 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:59:57,477 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:59:57,478 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:59:57,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:57,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2023-11-19 02:59:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-19 02:59:57,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:59:57,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:57,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:57,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-11-19 02:59:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-19 02:59:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:59:57,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:57,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:57,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:59:57,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:57,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2023-11-19 02:59:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-11-19 02:59:57,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:59:57,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:57,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:57,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:59:57,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:57,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:57,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:57,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-19 02:59:57,935 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-19 02:59:57,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:59:57,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:57,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:57,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:59:57,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:58,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:58,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:58,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-11-19 02:59:58,092 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-19 02:59:58,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:59:58,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:58,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:58,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:59:58,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:58,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:58,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:58,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 32 transitions. [2023-11-19 02:59:58,313 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-19 02:59:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:59:58,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:58,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:58,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:59:58,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:58,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:58,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:58,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 38 transitions. [2023-11-19 02:59:58,450 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2023-11-19 02:59:58,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:59:58,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:58,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:58,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:59:58,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:58,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:58,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 42 transitions. [2023-11-19 02:59:58,611 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2023-11-19 02:59:58,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:59:58,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:58,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:58,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:59:58,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:59:58,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:58,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 48 transitions. [2023-11-19 02:59:58,811 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-11-19 02:59:58,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:59:58,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:58,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:58,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:59:58,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:59:58,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:58,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 51 transitions. [2023-11-19 02:59:58,980 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-11-19 02:59:58,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:59:58,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:58,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:59,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:59:59,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:59,069 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:59:59,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:59,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 57 transitions. [2023-11-19 02:59:59,288 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-19 02:59:59,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:59:59,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:59,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:59,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:59:59,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:59:59,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:59,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 60 transitions. [2023-11-19 02:59:59,531 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2023-11-19 02:59:59,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:59:59,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:59,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:59,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:59:59,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:59:59,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:59,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 66 transitions. [2023-11-19 02:59:59,882 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2023-11-19 02:59:59,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:59:59,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:59,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:59,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:59:59,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:00,018 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:00:00,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:00,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 69 transitions. [2023-11-19 03:00:00,144 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2023-11-19 03:00:00,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:00:00,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:00,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:00,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:00:00,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:00:00,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:00,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 75 transitions. [2023-11-19 03:00:00,509 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2023-11-19 03:00:00,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:00:00,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:00,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:00,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:00:00,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:00,672 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:00:00,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:00,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 78 transitions. [2023-11-19 03:00:00,821 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-11-19 03:00:00,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:00:00,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:00,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:00,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:00:00,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:00,982 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:00:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 67 states and 84 transitions. [2023-11-19 03:00:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-11-19 03:00:01,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:00:01,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:01,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:01,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:00:01,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:00:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:01,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 70 states and 87 transitions. [2023-11-19 03:00:01,558 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2023-11-19 03:00:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:00:01,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:01,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:01,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:00:01,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:01,720 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:00:01,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:02,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 74 states and 93 transitions. [2023-11-19 03:00:02,000 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2023-11-19 03:00:02,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:00:02,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:02,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:02,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:00:02,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:02,182 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:00:02,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:02,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 77 states and 96 transitions. [2023-11-19 03:00:02,377 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-19 03:00:02,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:00:02,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:02,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:02,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:00:02,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:02,548 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:00:02,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:02,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 81 states and 102 transitions. [2023-11-19 03:00:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2023-11-19 03:00:02,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:00:02,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:02,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:02,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:00:02,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:00:03,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:03,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 84 states and 105 transitions. [2023-11-19 03:00:03,259 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-11-19 03:00:03,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 03:00:03,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:03,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:03,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:00:03,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:00:03,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 88 states and 111 transitions. [2023-11-19 03:00:03,793 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2023-11-19 03:00:03,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 03:00:03,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:03,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:03,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:00:03,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:04,002 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 279 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:00:04,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:04,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 91 states and 114 transitions. [2023-11-19 03:00:04,227 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 114 transitions. [2023-11-19 03:00:04,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 03:00:04,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:04,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:04,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:00:04,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 03:00:04,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:04,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 120 transitions. [2023-11-19 03:00:04,813 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 120 transitions. [2023-11-19 03:00:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 03:00:04,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:04,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:04,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:00:04,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:05,030 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 03:00:05,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:05,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 123 transitions. [2023-11-19 03:00:05,269 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2023-11-19 03:00:05,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-19 03:00:05,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:05,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:05,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:00:05,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:05,493 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-19 03:00:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:05,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 102 states and 129 transitions. [2023-11-19 03:00:05,876 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 129 transitions. [2023-11-19 03:00:05,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 03:00:05,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:05,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:05,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:00:05,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-19 03:00:06,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:06,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 105 states and 132 transitions. [2023-11-19 03:00:06,412 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 132 transitions. [2023-11-19 03:00:06,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 03:00:06,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:06,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:06,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:00:06,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-19 03:00:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:07,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 109 states and 138 transitions. [2023-11-19 03:00:07,085 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 138 transitions. [2023-11-19 03:00:07,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-19 03:00:07,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:07,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:07,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:00:07,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-19 03:00:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:07,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 112 states and 141 transitions. [2023-11-19 03:00:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 141 transitions. [2023-11-19 03:00:07,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 03:00:07,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:07,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:07,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:00:07,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-19 03:00:08,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:08,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 116 states and 147 transitions. [2023-11-19 03:00:08,390 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 147 transitions. [2023-11-19 03:00:08,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-19 03:00:08,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:08,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:08,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:00:08,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-19 03:00:08,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:08,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 119 states and 150 transitions. [2023-11-19 03:00:08,993 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2023-11-19 03:00:08,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 03:00:08,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:08,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:09,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:00:09,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 637 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-19 03:00:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:09,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 123 states and 156 transitions. [2023-11-19 03:00:09,734 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 156 transitions. [2023-11-19 03:00:09,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 03:00:09,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:09,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:09,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:00:09,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:10,031 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-19 03:00:10,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:10,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 126 states and 159 transitions. [2023-11-19 03:00:10,373 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2023-11-19 03:00:10,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 03:00:10,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:10,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:10,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:00:10,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-19 03:00:11,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:11,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 130 states and 165 transitions. [2023-11-19 03:00:11,144 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 165 transitions. [2023-11-19 03:00:11,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-19 03:00:11,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:11,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:11,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:00:11,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:11,497 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-19 03:00:11,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:11,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 133 states and 168 transitions. [2023-11-19 03:00:11,831 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 168 transitions. [2023-11-19 03:00:11,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 03:00:11,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:11,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:11,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:00:11,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:12,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 03:00:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 137 states and 174 transitions. [2023-11-19 03:00:12,673 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2023-11-19 03:00:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-19 03:00:12,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:12,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:12,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:00:12,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 888 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 03:00:13,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:13,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 140 states and 177 transitions. [2023-11-19 03:00:13,392 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 177 transitions. [2023-11-19 03:00:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-19 03:00:13,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:13,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:13,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:00:13,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:13,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 0 proven. 952 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-19 03:00:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 144 states and 183 transitions. [2023-11-19 03:00:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 183 transitions. [2023-11-19 03:00:14,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 03:00:14,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:14,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:14,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 03:00:14,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:14,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1003 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-19 03:00:15,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:15,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 147 states and 186 transitions. [2023-11-19 03:00:15,022 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 186 transitions. [2023-11-19 03:00:15,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-19 03:00:15,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:15,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:15,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:00:15,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:15,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1377 backedges. 0 proven. 1071 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-19 03:00:15,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:15,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 151 states and 192 transitions. [2023-11-19 03:00:15,929 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 192 transitions. [2023-11-19 03:00:15,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 03:00:15,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:15,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:16,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 03:00:16,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-19 03:00:16,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 154 states and 195 transitions. [2023-11-19 03:00:16,644 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 195 transitions. [2023-11-19 03:00:16,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 03:00:16,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:16,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:16,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:00:16,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 0 proven. 1197 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-11-19 03:00:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:17,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 158 states and 201 transitions. [2023-11-19 03:00:17,575 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 201 transitions. [2023-11-19 03:00:17,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-19 03:00:17,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:17,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:17,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 03:00:17,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:17,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1254 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-11-19 03:00:18,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:18,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 161 states and 204 transitions. [2023-11-19 03:00:18,365 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 204 transitions. [2023-11-19 03:00:18,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 03:00:18,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:18,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:18,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:00:18,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:18,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 0 proven. 1330 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-19 03:00:19,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:19,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 165 states and 210 transitions. [2023-11-19 03:00:19,339 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 210 transitions. [2023-11-19 03:00:19,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-19 03:00:19,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:19,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:19,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 03:00:19,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:19,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1390 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-19 03:00:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:20,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 168 states and 213 transitions. [2023-11-19 03:00:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 213 transitions. [2023-11-19 03:00:20,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-19 03:00:20,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:20,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:20,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:00:20,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 0 proven. 1470 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 03:00:21,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:21,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 172 states and 219 transitions. [2023-11-19 03:00:21,319 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2023-11-19 03:00:21,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-19 03:00:21,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:21,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:21,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 03:00:21,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:21,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1533 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 03:00:22,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:22,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 175 states and 222 transitions. [2023-11-19 03:00:22,220 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 222 transitions. [2023-11-19 03:00:22,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-19 03:00:22,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:22,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:22,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:00:22,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:22,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2079 backedges. 0 proven. 1617 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-19 03:00:23,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:23,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 179 states and 228 transitions. [2023-11-19 03:00:23,277 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 228 transitions. [2023-11-19 03:00:23,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-19 03:00:23,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:23,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:23,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 03:00:23,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:23,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-19 03:00:24,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:24,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 182 states and 231 transitions. [2023-11-19 03:00:24,176 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 231 transitions. [2023-11-19 03:00:24,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-19 03:00:24,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:24,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:24,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:00:24,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:24,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2277 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-11-19 03:00:25,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:25,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 186 states and 237 transitions. [2023-11-19 03:00:25,337 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 237 transitions. [2023-11-19 03:00:25,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-19 03:00:25,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:25,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:25,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 03:00:25,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:25,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 1840 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-11-19 03:00:26,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 189 states and 240 transitions. [2023-11-19 03:00:26,276 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 240 transitions. [2023-11-19 03:00:26,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-19 03:00:26,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:26,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:26,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:00:26,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2484 backedges. 0 proven. 1932 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-11-19 03:00:27,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 193 states and 246 transitions. [2023-11-19 03:00:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 246 transitions. [2023-11-19 03:00:27,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-19 03:00:27,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:27,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:27,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 03:00:27,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2004 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-11-19 03:00:28,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:28,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 196 states and 249 transitions. [2023-11-19 03:00:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 249 transitions. [2023-11-19 03:00:28,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-19 03:00:28,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:28,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:28,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:00:28,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2100 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-11-19 03:00:29,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 200 states and 255 transitions. [2023-11-19 03:00:29,706 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 255 transitions. [2023-11-19 03:00:29,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-11-19 03:00:29,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:29,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:29,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-19 03:00:29,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2175 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-11-19 03:00:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:30,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 203 states and 258 transitions. [2023-11-19 03:00:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 258 transitions. [2023-11-19 03:00:30,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-19 03:00:30,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:30,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:30,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:00:30,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:31,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2925 backedges. 0 proven. 2275 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-19 03:00:32,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:32,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 207 states and 264 transitions. [2023-11-19 03:00:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 264 transitions. [2023-11-19 03:00:32,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-19 03:00:32,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:32,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:32,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 03:00:32,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 2353 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-19 03:00:33,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:33,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 210 states and 267 transitions. [2023-11-19 03:00:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 267 transitions. [2023-11-19 03:00:33,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-19 03:00:33,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:33,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:33,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:00:33,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:33,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 0 proven. 2457 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2023-11-19 03:00:34,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:34,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 214 states and 273 transitions. [2023-11-19 03:00:34,505 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 273 transitions. [2023-11-19 03:00:34,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-19 03:00:34,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:34,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:34,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-19 03:00:34,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:34,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 2538 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2023-11-19 03:00:35,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 217 states and 276 transitions. [2023-11-19 03:00:35,607 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 276 transitions. [2023-11-19 03:00:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-19 03:00:35,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:35,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:35,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:00:35,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3402 backedges. 0 proven. 2646 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-19 03:00:37,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:37,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 221 states and 282 transitions. [2023-11-19 03:00:37,008 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 282 transitions. [2023-11-19 03:00:37,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-19 03:00:37,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:37,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:37,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-19 03:00:37,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:37,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-19 03:00:38,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:38,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 224 states and 285 transitions. [2023-11-19 03:00:38,143 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 285 transitions. [2023-11-19 03:00:38,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2023-11-19 03:00:38,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:38,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:38,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 03:00:38,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:38,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3654 backedges. 0 proven. 2842 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-19 03:00:39,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:39,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 228 states and 291 transitions. [2023-11-19 03:00:39,690 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 291 transitions. [2023-11-19 03:00:39,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-11-19 03:00:39,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:39,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:39,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 03:00:39,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:40,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 2929 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-19 03:00:40,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:40,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 231 states and 294 transitions. [2023-11-19 03:00:40,974 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 294 transitions. [2023-11-19 03:00:40,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-11-19 03:00:40,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:40,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:41,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:00:41,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:41,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3915 backedges. 0 proven. 3045 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-19 03:00:42,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 235 states and 300 transitions. [2023-11-19 03:00:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 300 transitions. [2023-11-19 03:00:42,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-11-19 03:00:42,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:42,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:42,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 03:00:42,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:43,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 3135 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-19 03:00:44,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:44,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 238 states and 303 transitions. [2023-11-19 03:00:44,094 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 303 transitions. [2023-11-19 03:00:44,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-11-19 03:00:44,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:44,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:44,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:00:44,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4185 backedges. 0 proven. 3255 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2023-11-19 03:00:45,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:45,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 242 states and 309 transitions. [2023-11-19 03:00:45,617 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 309 transitions. [2023-11-19 03:00:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-11-19 03:00:45,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:45,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:45,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-19 03:00:45,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:46,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 3348 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked.