./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/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_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/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_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/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 7e9492584c051c945baa3a1de8b03a2c00614fb076a66c88b26b81461b005eeb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:45,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:45,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:56:45,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:45,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:45,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:45,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:56:45,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:56:45,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:45,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:45,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:45,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:45,665 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:56:45,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:45,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:56:45,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:45,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:45,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:45,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:45,670 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:56:45,671 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:56:45,682 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:56:45,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:45,683 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:45,684 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:45,684 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:45,685 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:45,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:45,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:45,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:45,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:45,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:56:45,689 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:45,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:45,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:56:45,690 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_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e9492584c051c945baa3a1de8b03a2c00614fb076a66c88b26b81461b005eeb [2023-11-19 03:56:46,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:46,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:46,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:46,143 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:46,143 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:46,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound1.c [2023-11-19 03:56:49,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:56:49,531 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:56:49,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound1.c [2023-11-19 03:56:49,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/bin/ukojak-verify-G8NBE6pJGL/data/9ec01e0bc/c00375e431bb4e0abf18411a3c56e101/FLAGd0b386427 [2023-11-19 03:56:49,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/bin/ukojak-verify-G8NBE6pJGL/data/9ec01e0bc/c00375e431bb4e0abf18411a3c56e101 [2023-11-19 03:56:49,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:56:49,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:56:49,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:49,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:56:49,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:56:49,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77676617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:49, skipping insertion in model container [2023-11-19 03:56:49,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:56:50,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:50,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:56:50,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:50,176 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:56:50,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50 WrapperNode [2023-11-19 03:56:50,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:50,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:50,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:56:50,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:56:50,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,225 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2023-11-19 03:56:50,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:50,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:56:50,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:56:50,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:56:50,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:56:50,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:56:50,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:56:50,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:56:50,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:50,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:56:50,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:56:50,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea7feca-1dfd-49f7-b772-fe3a0adb3b5e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:56:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:56:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:56:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:56:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:56:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:56:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:56:50,452 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:56:50,455 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:56:50,986 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:56:51,051 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:56:51,051 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:56:51,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:51 BoogieIcfgContainer [2023-11-19 03:56:51,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:56:51,059 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:56:51,059 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:56:51,072 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:56:51,072 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:51" (1/1) ... [2023-11-19 03:56:51,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:56:51,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:51,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2023-11-19 03:56:51,153 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2023-11-19 03:56:51,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:56:51,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:51,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:51,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:56:51,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:51,425 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 03:56:51,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:51,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2023-11-19 03:56:51,459 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2023-11-19 03:56:51,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:56:51,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:51,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:51,606 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 03:56:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:51,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 104 states and 114 transitions. [2023-11-19 03:56:51,647 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2023-11-19 03:56:51,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:56:51,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:51,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:51,723 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 03:56:51,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:51,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 107 states and 121 transitions. [2023-11-19 03:56:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2023-11-19 03:56:51,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:56:51,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:51,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:51,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:56:51,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:51,921 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 03:56:51,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:51,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 108 states and 121 transitions. [2023-11-19 03:56:51,944 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 121 transitions. [2023-11-19 03:56:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:56:51,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:51,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:56:51,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:52,070 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 03:56:52,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:52,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 113 states and 131 transitions. [2023-11-19 03:56:52,690 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2023-11-19 03:56:52,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:56:52,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:52,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:52,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:56:52,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:52,872 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 03:56:53,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:53,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 119 states and 143 transitions. [2023-11-19 03:56:53,516 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 143 transitions. [2023-11-19 03:56:53,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:56:53,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:53,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:53,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:56:53,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:53,714 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 03:56:54,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:54,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 126 states and 155 transitions. [2023-11-19 03:56:54,591 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 155 transitions. [2023-11-19 03:56:54,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:56:54,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:54,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:54,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:56:54,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:54,805 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 03:56:54,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:54,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 128 states and 158 transitions. [2023-11-19 03:56:54,967 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 158 transitions. [2023-11-19 03:56:54,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:56:54,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:54,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:55,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:56:55,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:55,202 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 03:56:56,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:56,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 137 states and 173 transitions. [2023-11-19 03:56:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2023-11-19 03:56:56,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:56:56,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:56,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:56,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:56:56,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:56,758 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 03:56:58,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:58,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-11-19 03:56:58,784 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-11-19 03:56:58,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:56:58,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:58,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:58,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:56:58,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:58,993 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 03:57:01,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:01,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 158 states and 209 transitions. [2023-11-19 03:57:01,274 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 209 transitions. [2023-11-19 03:57:01,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:57:01,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:01,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:01,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:57:01,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:01,438 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 03:57:04,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:04,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 170 states and 230 transitions. [2023-11-19 03:57:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 230 transitions. [2023-11-19 03:57:04,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:57:04,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:04,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:04,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:57:04,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:04,520 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 03:57:05,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:05,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 173 states and 236 transitions. [2023-11-19 03:57:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 236 transitions. [2023-11-19 03:57:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:57:05,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:05,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:05,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:57:05,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:05,307 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 03:57:05,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:05,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 175 states and 238 transitions. [2023-11-19 03:57:05,611 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 238 transitions. [2023-11-19 03:57:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:57:05,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:05,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:05,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:05,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:05,875 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 03:57:08,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:08,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 184 states and 256 transitions. [2023-11-19 03:57:08,059 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 256 transitions. [2023-11-19 03:57:08,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:57:08,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:08,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:08,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:08,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:08,199 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 03:57:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 193 states and 275 transitions. [2023-11-19 03:57:11,049 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 275 transitions. [2023-11-19 03:57:11,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:57:11,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:11,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:11,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:57:11,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:11,183 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 03:57:11,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:11,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 192 states and 274 transitions. [2023-11-19 03:57:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 274 transitions. [2023-11-19 03:57:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:57:11,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:11,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:11,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:57:11,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:11,577 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 03:57:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:15,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 202 states and 295 transitions. [2023-11-19 03:57:15,156 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 295 transitions. [2023-11-19 03:57:15,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:57:15,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:15,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:15,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:15,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:15,218 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 03:57:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 205 states and 299 transitions. [2023-11-19 03:57:15,641 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 299 transitions. [2023-11-19 03:57:15,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:57:15,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:15,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:15,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:15,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:15,712 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 03:57:15,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:15,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 208 states and 303 transitions. [2023-11-19 03:57:15,780 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 303 transitions. [2023-11-19 03:57:15,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:57:15,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:15,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:15,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:57:15,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:15,925 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 03:57:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:16,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 207 states and 302 transitions. [2023-11-19 03:57:16,097 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 302 transitions. [2023-11-19 03:57:16,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:57:16,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:16,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:16,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:57:16,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:16,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:57:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:28,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 217 states and 319 transitions. [2023-11-19 03:57:28,856 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 319 transitions. [2023-11-19 03:57:28,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:57:28,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:28,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:28,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:28,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:29,024 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 03:57:34,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:34,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 228 states and 342 transitions. [2023-11-19 03:57:34,386 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 342 transitions. [2023-11-19 03:57:34,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:57:34,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:34,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:34,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:34,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:34,638 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 03:57:38,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:38,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 239 states and 364 transitions. [2023-11-19 03:57:38,909 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 364 transitions. [2023-11-19 03:57:38,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:57:38,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:38,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:38,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:38,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:38,982 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 03:57:39,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:39,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 242 states and 368 transitions. [2023-11-19 03:57:39,086 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 368 transitions. [2023-11-19 03:57:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:57:39,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:39,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:39,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:39,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:39,242 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 03:57:40,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:40,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 246 states and 377 transitions. [2023-11-19 03:57:40,326 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 377 transitions. [2023-11-19 03:57:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:57:40,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:40,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:40,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:57:40,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:40,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.