./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.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_37488cd8-b611-417c-a94d-a2c25e2d4fb6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37488cd8-b611-417c-a94d-a2c25e2d4fb6/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_37488cd8-b611-417c-a94d-a2c25e2d4fb6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37488cd8-b611-417c-a94d-a2c25e2d4fb6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37488cd8-b611-417c-a94d-a2c25e2d4fb6/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_37488cd8-b611-417c-a94d-a2c25e2d4fb6/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 3b27cf24a9b45c76034fb9a60cae976f5ca5dfa5338fef373d189f4ae84c7ed4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:14,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:14,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37488cd8-b611-417c-a94d-a2c25e2d4fb6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:09:14,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:09:14,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:09:14,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:14,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:09:14,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:09:14,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:14,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:14,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:14,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:09:14,399 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:09:14,400 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:09:14,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:09:14,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:14,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:09:14,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:14,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:09:14,403 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:09:14,404 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:09:14,404 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:09:14,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:09:14,407 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:14,407 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:14,408 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:14,408 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:14,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:14,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:14,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:14,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:14,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:09:14,412 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:09:14,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:09:14,412 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:09:14,413 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_37488cd8-b611-417c-a94d-a2c25e2d4fb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37488cd8-b611-417c-a94d-a2c25e2d4fb6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b27cf24a9b45c76034fb9a60cae976f5ca5dfa5338fef373d189f4ae84c7ed4 [2023-11-19 03:09:14,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:14,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:14,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:14,847 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:14,848 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:14,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37488cd8-b611-417c-a94d-a2c25e2d4fb6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c [2023-11-19 03:09:18,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:18,231 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:18,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37488cd8-b611-417c-a94d-a2c25e2d4fb6/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c [2023-11-19 03:09:18,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37488cd8-b611-417c-a94d-a2c25e2d4fb6/bin/ukojak-verify-G8NBE6pJGL/data/02d9ae0db/b1e5e3e2df7a47fda5cd29112a5c528d/FLAG7b910ae07 [2023-11-19 03:09:18,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37488cd8-b611-417c-a94d-a2c25e2d4fb6/bin/ukojak-verify-G8NBE6pJGL/data/02d9ae0db/b1e5e3e2df7a47fda5cd29112a5c528d [2023-11-19 03:09:18,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:18,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:18,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:18,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:18,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:18,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3999b1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:18, skipping insertion in model container [2023-11-19 03:09:18,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:18,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:18,606 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:18,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:18,672 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:18,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:18 WrapperNode [2023-11-19 03:09:18,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:18,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:18,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:18,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:18,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,723 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-19 03:09:18,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:18,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:18,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:18,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:18,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:18,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:18,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:18,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:18,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:18,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37488cd8-b611-417c-a94d-a2c25e2d4fb6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:18,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37488cd8-b611-417c-a94d-a2c25e2d4fb6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:18,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37488cd8-b611-417c-a94d-a2c25e2d4fb6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:09:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:09:18,850 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:09:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:09:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:18,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:09:18,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:09:18,919 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:18,920 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:19,422 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:19,455 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:19,455 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:09:19,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:19 BoogieIcfgContainer [2023-11-19 03:09:19,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:19,463 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:19,463 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:19,472 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:19,473 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:19" (1/1) ... [2023-11-19 03:09:19,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:09:19,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:19,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2023-11-19 03:09:19,540 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2023-11-19 03:09:19,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:09:19,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:19,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:19,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:09:19,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:09:20,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:20,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 117 transitions. [2023-11-19 03:09:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-11-19 03:09:20,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:09:20,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:20,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:20,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:09:20,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:20,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:20,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 125 transitions. [2023-11-19 03:09:20,780 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-11-19 03:09:20,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:09:20,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:20,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:20,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:09:20,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:20,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:09:21,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 113 states and 134 transitions. [2023-11-19 03:09:21,234 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-11-19 03:09:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:09:21,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:21,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:21,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:09:21,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:21,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:21,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 118 states and 143 transitions. [2023-11-19 03:09:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 143 transitions. [2023-11-19 03:09:21,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:09:21,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:21,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:21,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:21,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:21,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:22,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 124 states and 154 transitions. [2023-11-19 03:09:22,569 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 154 transitions. [2023-11-19 03:09:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:09:22,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:22,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:22,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:22,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:22,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:24,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:24,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 131 states and 167 transitions. [2023-11-19 03:09:24,030 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2023-11-19 03:09:24,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:09:24,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:24,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:24,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:09:24,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:24,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:09:25,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 139 states and 182 transitions. [2023-11-19 03:09:25,218 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 182 transitions. [2023-11-19 03:09:25,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:09:25,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:25,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:25,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:09:25,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:25,374 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:09:25,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:25,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 140 states and 183 transitions. [2023-11-19 03:09:25,435 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2023-11-19 03:09:25,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:09:25,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:25,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:25,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:25,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:25,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:25,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 143 states and 188 transitions. [2023-11-19 03:09:25,672 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 188 transitions. [2023-11-19 03:09:25,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:09:25,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:25,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:25,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:25,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:25,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:25,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 142 states and 187 transitions. [2023-11-19 03:09:25,940 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 187 transitions. [2023-11-19 03:09:25,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:09:25,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:25,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:25,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:09:25,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:26,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:27,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:27,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 150 states and 203 transitions. [2023-11-19 03:09:27,632 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 203 transitions. [2023-11-19 03:09:27,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:09:27,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:27,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:27,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:27,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:27,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:27,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 149 states and 202 transitions. [2023-11-19 03:09:27,842 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 202 transitions. [2023-11-19 03:09:27,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:09:27,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:27,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:27,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:09:27,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:28,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 158 states and 220 transitions. [2023-11-19 03:09:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 220 transitions. [2023-11-19 03:09:30,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:09:30,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:30,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:30,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:30,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:30,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:30,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 161 states and 224 transitions. [2023-11-19 03:09:30,420 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 224 transitions. [2023-11-19 03:09:30,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:09:30,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:30,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:30,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:30,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:30,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:30,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:30,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 160 states and 223 transitions. [2023-11-19 03:09:30,602 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 223 transitions. [2023-11-19 03:09:30,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:09:30,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:30,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:30,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:30,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:31,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:31,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 227 transitions. [2023-11-19 03:09:31,046 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 227 transitions. [2023-11-19 03:09:31,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:09:31,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:31,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:31,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:09:31,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:34,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:34,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 173 states and 247 transitions. [2023-11-19 03:09:34,772 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 247 transitions. [2023-11-19 03:09:34,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:09:34,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:34,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:34,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:34,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:35,030 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:09:45,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:45,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 178 states and 257 transitions. [2023-11-19 03:09:45,483 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 257 transitions. [2023-11-19 03:09:45,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:09:45,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:45,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:45,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:45,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:45,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:45,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 181 states and 261 transitions. [2023-11-19 03:09:45,612 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 261 transitions. [2023-11-19 03:09:45,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:09:45,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:45,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:45,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:09:45,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:45,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:50,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:50,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 192 states and 284 transitions. [2023-11-19 03:09:50,388 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 284 transitions. [2023-11-19 03:09:50,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:09:50,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:50,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:50,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:09:50,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:50,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:54,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:54,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 204 states and 307 transitions. [2023-11-19 03:09:54,693 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 307 transitions. [2023-11-19 03:09:54,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:09:54,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:54,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:54,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:09:54,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:56,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:56,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 208 states and 314 transitions. [2023-11-19 03:09:56,450 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 314 transitions. [2023-11-19 03:09:56,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:09:56,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:56,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:56,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:56,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:09:59,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:59,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 207 states and 313 transitions. [2023-11-19 03:09:59,782 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 313 transitions. [2023-11-19 03:09:59,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:09:59,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:59,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:59,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:09:59,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:59,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:10:00,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:00,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 211 states and 320 transitions. [2023-11-19 03:10:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 320 transitions. [2023-11-19 03:10:00,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:10:00,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:00,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:00,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:10:00,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:10:02,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:02,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 215 states and 327 transitions. [2023-11-19 03:10:02,063 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 327 transitions. [2023-11-19 03:10:02,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:10:02,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:02,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:02,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:10:02,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:10:03,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:03,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 219 states and 333 transitions. [2023-11-19 03:10:03,925 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 333 transitions. [2023-11-19 03:10:03,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:10:03,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:03,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:03,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:10:03,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:10:06,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 224 states and 343 transitions. [2023-11-19 03:10:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 343 transitions. [2023-11-19 03:10:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:10:06,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:06,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:06,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:10:06,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:06,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:10:07,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:07,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 228 states and 349 transitions. [2023-11-19 03:10:07,102 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 349 transitions. [2023-11-19 03:10:07,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:10:07,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:07,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:07,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:10:07,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:07,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:10:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:09,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 232 states and 355 transitions. [2023-11-19 03:10:09,084 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 355 transitions. [2023-11-19 03:10:09,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:10:09,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:09,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:09,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:10:09,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:09,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:10:12,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 244 states and 376 transitions. [2023-11-19 03:10:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 376 transitions. [2023-11-19 03:10:12,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:10:12,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:12,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:12,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:10:12,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.