./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_2c55d579-0775-43ba-8bb2-291581a92750/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/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_2c55d579-0775-43ba-8bb2-291581a92750/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de6f1b0c31f6078d1329908bc6a1fa31b1de3eefc77e75c566f65f8bba6f4e00 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:45:08,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:45:09,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:45:09,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:45:09,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:45:09,148 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:45:09,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:45:09,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:45:09,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:45:09,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:45:09,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:45:09,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:45:09,160 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:45:09,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:45:09,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:45:09,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:45:09,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:45:09,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:45:09,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:45:09,164 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:45:09,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:45:09,165 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:45:09,165 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:45:09,165 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:45:09,166 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:45:09,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:45:09,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:45:09,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:45:09,168 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:45:09,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:45:09,170 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:45:09,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:45:09,170 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:45:09,170 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_2c55d579-0775-43ba-8bb2-291581a92750/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de6f1b0c31f6078d1329908bc6a1fa31b1de3eefc77e75c566f65f8bba6f4e00 [2023-11-19 03:45:09,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:45:09,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:45:09,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:45:09,551 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:45:09,552 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:45:09,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c [2023-11-19 03:45:12,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:45:13,068 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:45:13,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c [2023-11-19 03:45:13,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/bin/ukojak-verify-G8NBE6pJGL/data/dc6489f74/251bfb0b99e441bcb2f11e95bdb815bb/FLAGd388e81ae [2023-11-19 03:45:13,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/bin/ukojak-verify-G8NBE6pJGL/data/dc6489f74/251bfb0b99e441bcb2f11e95bdb815bb [2023-11-19 03:45:13,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:45:13,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:45:13,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:45:13,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:45:13,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:45:13,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dca1ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:13, skipping insertion in model container [2023-11-19 03:45:13,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:45:13,327 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c[1014,1027] [2023-11-19 03:45:13,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:45:13,343 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:45:13,362 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c[1014,1027] [2023-11-19 03:45:13,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:45:13,381 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:45:13,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:13 WrapperNode [2023-11-19 03:45:13,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:45:13,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:45:13,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:45:13,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:45:13,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,419 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-19 03:45:13,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:45:13,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:45:13,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:45:13,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:45:13,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:45:13,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:45:13,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:45:13,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:45:13,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:45:13,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:45:13,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:45:13,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c55d579-0775-43ba-8bb2-291581a92750/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:45:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:45:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:45:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:45:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:45:13,624 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:45:13,626 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:45:13,739 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:45:13,757 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:45:13,757 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:45:13,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:13 BoogieIcfgContainer [2023-11-19 03:45:13,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:45:13,763 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:45:13,763 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:45:13,775 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:45:13,775 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:45:13,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:13,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2023-11-19 03:45:13,842 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2023-11-19 03:45:13,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:45:13,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:13,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:13,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:45:13,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:14,067 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 03:45:14,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-19 03:45:14,135 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-19 03:45:14,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:45:14,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:14,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:14,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:45:14,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:14,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:14,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:14,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-19 03:45:14,698 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-19 03:45:14,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:45:14,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:14,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:14,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:45:14,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:14,844 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 03:45:15,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-19 03:45:15,071 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-19 03:45:15,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:45:15,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:15,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:15,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:45:15,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:15,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2023-11-19 03:45:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2023-11-19 03:45:15,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:45:15,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:15,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:15,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:45:15,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:16,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:16,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2023-11-19 03:45:16,311 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2023-11-19 03:45:16,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:45:16,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:16,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:16,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:45:16,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:17,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2023-11-19 03:45:17,035 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2023-11-19 03:45:17,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:45:17,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:17,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:17,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:45:17,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:17,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:17,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2023-11-19 03:45:17,824 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2023-11-19 03:45:17,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:45:17,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:17,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:17,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:45:17,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:18,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:18,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2023-11-19 03:45:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2023-11-19 03:45:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:45:18,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:18,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:18,786 WARN L260 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 03:45:18,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:19,035 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:19,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2023-11-19 03:45:19,772 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2023-11-19 03:45:19,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:45:19,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:19,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:19,818 WARN L260 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 03:45:19,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:20,077 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:21,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:21,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2023-11-19 03:45:21,198 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2023-11-19 03:45:21,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:45:21,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:21,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:21,265 WARN L260 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 03:45:21,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:21,506 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2023-11-19 03:45:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2023-11-19 03:45:22,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:45:22,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:22,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:22,553 WARN L260 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 03:45:22,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:22,869 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:24,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:24,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2023-11-19 03:45:24,148 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2023-11-19 03:45:24,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:45:24,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:24,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:24,200 WARN L260 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-19 03:45:24,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:24,495 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:25,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2023-11-19 03:45:25,725 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2023-11-19 03:45:25,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:45:25,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:25,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:25,781 WARN L260 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-19 03:45:25,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:26,108 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:27,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:27,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-11-19 03:45:27,511 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-19 03:45:27,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:45:27,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:27,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:27,571 WARN L260 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-19 03:45:27,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:29,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2023-11-19 03:45:29,360 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2023-11-19 03:45:29,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:45:29,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:29,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:29,419 WARN L260 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-19 03:45:29,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:30,892 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2023-11-19 03:45:33,634 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2023-11-19 03:45:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:45:33,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:33,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:33,696 WARN L260 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-19 03:45:33,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:35,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2023-11-19 03:45:35,943 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2023-11-19 03:45:35,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:45:35,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:35,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:36,005 WARN L260 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-19 03:45:36,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:38,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2023-11-19 03:45:38,293 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2023-11-19 03:45:38,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:45:38,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:38,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:38,368 WARN L260 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-19 03:45:38,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:38,741 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:40,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:40,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2023-11-19 03:45:40,829 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2023-11-19 03:45:40,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:45:40,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:40,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:40,904 WARN L260 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 84 conjunts are in the unsatisfiable core [2023-11-19 03:45:40,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:41,303 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:43,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:43,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2023-11-19 03:45:43,567 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2023-11-19 03:45:43,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:45:43,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:43,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:43,631 WARN L260 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 88 conjunts are in the unsatisfiable core [2023-11-19 03:45:43,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:46,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:46,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2023-11-19 03:45:46,302 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2023-11-19 03:45:46,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:45:46,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:46,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:46,366 WARN L260 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 92 conjunts are in the unsatisfiable core [2023-11-19 03:45:46,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:49,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:49,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2023-11-19 03:45:49,268 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2023-11-19 03:45:49,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:45:49,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:49,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:49,333 WARN L260 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-19 03:45:49,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:49,747 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:52,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:52,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2023-11-19 03:45:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2023-11-19 03:45:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:45:52,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:52,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:52,337 WARN L260 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 100 conjunts are in the unsatisfiable core [2023-11-19 03:45:52,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:52,809 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:55,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2023-11-19 03:45:55,688 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2023-11-19 03:45:55,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:45:55,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:55,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:55,760 WARN L260 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 104 conjunts are in the unsatisfiable core [2023-11-19 03:45:55,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:56,237 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:59,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:59,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 105 transitions. [2023-11-19 03:45:59,254 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 105 transitions. [2023-11-19 03:45:59,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:45:59,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:59,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:59,336 WARN L260 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 108 conjunts are in the unsatisfiable core [2023-11-19 03:45:59,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:46:02,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:46:02,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 58 states and 109 transitions. [2023-11-19 03:46:02,893 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2023-11-19 03:46:02,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:46:02,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:46:02,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:46:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:46:02,965 WARN L260 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 112 conjunts are in the unsatisfiable core [2023-11-19 03:46:02,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:46:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:46:06,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:46:06,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2023-11-19 03:46:06,857 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2023-11-19 03:46:06,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:46:06,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:46:06,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:46:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:46:06,933 WARN L260 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 116 conjunts are in the unsatisfiable core [2023-11-19 03:46:06,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:46:07,430 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.