./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9 --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 bf6b5d6ce0125c606cfafa6fb4e25513c25265a3f4d4cd63094ae1ba72acdc4a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:34:04,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:34:04,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:34:04,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:34:04,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:34:04,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:34:04,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:34:04,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:34:04,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:34:04,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:34:04,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:34:04,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:34:04,860 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:34:04,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:34:04,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:34:04,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:34:04,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:34:04,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:34:04,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:34:04,863 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:34:04,864 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:34:04,865 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:34:04,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:34:04,866 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:34:04,866 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:34:04,866 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:34:04,867 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:34:04,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:34:04,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:34:04,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:34:04,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:34:04,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:34:04,869 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:34:04,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:34:04,870 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:34:04,870 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_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf6b5d6ce0125c606cfafa6fb4e25513c25265a3f4d4cd63094ae1ba72acdc4a [2023-12-03 00:34:05,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:34:05,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:34:05,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:34:05,121 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:34:05,122 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:34:05,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c [2023-12-03 00:34:07,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:34:08,079 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:34:08,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c [2023-12-03 00:34:08,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/data/7e192c2e2/940a1c1d43ef4129a6d13153434a7dc2/FLAGd53795e07 [2023-12-03 00:34:08,102 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/data/7e192c2e2/940a1c1d43ef4129a6d13153434a7dc2 [2023-12-03 00:34:08,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:34:08,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:34:08,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:34:08,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:34:08,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:34:08,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:34:08" (1/1) ... [2023-12-03 00:34:08,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75144007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:08, skipping insertion in model container [2023-12-03 00:34:08,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:34:08" (1/1) ... [2023-12-03 00:34:08,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:34:08,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:34:08,337 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:34:08,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:34:08,365 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:34:08,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:08 WrapperNode [2023-12-03 00:34:08,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:34:08,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:34:08,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:34:08,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:34:08,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:08" (1/1) ... [2023-12-03 00:34:08,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:08" (1/1) ... [2023-12-03 00:34:08,399 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-12-03 00:34:08,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:34:08,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:34:08,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:34:08,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:34:08,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:08" (1/1) ... [2023-12-03 00:34:08,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:08" (1/1) ... [2023-12-03 00:34:08,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:08" (1/1) ... [2023-12-03 00:34:08,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:08" (1/1) ... [2023-12-03 00:34:08,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:08" (1/1) ... [2023-12-03 00:34:08,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:08" (1/1) ... [2023-12-03 00:34:08,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:08" (1/1) ... [2023-12-03 00:34:08,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:08" (1/1) ... [2023-12-03 00:34:08,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:34:08,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:34:08,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:34:08,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:34:08,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:08" (1/1) ... [2023-12-03 00:34:08,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:34:08,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:34:08,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:34:08,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:34:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:34:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:34:08,488 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:34:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:34:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:34:08,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:34:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:34:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:34:08,554 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:34:08,556 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:34:08,722 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:34:08,752 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:34:08,752 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:34:08,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:34:08 BoogieIcfgContainer [2023-12-03 00:34:08,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:34:08,755 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:34:08,755 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:34:08,764 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:34:08,764 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:34:08" (1/1) ... [2023-12-03 00:34:08,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:34:08,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-12-03 00:34:08,822 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-12-03 00:34:08,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:34:08,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:08,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:08,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:34:08,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:09,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:34:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:09,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-12-03 00:34:09,227 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-12-03 00:34:09,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 00:34:09,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:09,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:09,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 00:34:09,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:09,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:09,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 61 transitions. [2023-12-03 00:34:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-12-03 00:34:09,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:34:09,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:09,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:09,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:34:09,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:09,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:10,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:10,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 68 transitions. [2023-12-03 00:34:10,152 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-12-03 00:34:10,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:34:10,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:10,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:10,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:34:10,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:10,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:10,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 77 transitions. [2023-12-03 00:34:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-12-03 00:34:10,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:34:10,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:10,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:10,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:34:10,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:10,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:11,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:11,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 88 transitions. [2023-12-03 00:34:11,434 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-12-03 00:34:11,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 00:34:11,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:11,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:11,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:34:11,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:11,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:11,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:11,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 89 transitions. [2023-12-03 00:34:11,572 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2023-12-03 00:34:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:34:11,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:11,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:11,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:34:11,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:11,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:11,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 94 transitions. [2023-12-03 00:34:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2023-12-03 00:34:11,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:34:11,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:11,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:11,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:34:11,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:11,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:11,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 93 transitions. [2023-12-03 00:34:11,909 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2023-12-03 00:34:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:34:11,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:11,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:11,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:34:11,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:12,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:13,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:13,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 110 transitions. [2023-12-03 00:34:13,055 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2023-12-03 00:34:13,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:34:13,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:13,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:13,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:34:13,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:13,147 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:13,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:13,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 82 states and 113 transitions. [2023-12-03 00:34:13,203 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 113 transitions. [2023-12-03 00:34:13,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:34:13,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:13,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:13,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:34:13,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:16,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:16,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 91 states and 129 transitions. [2023-12-03 00:34:16,071 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2023-12-03 00:34:16,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:34:16,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:16,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:16,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:34:16,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:16,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:16,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:16,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 134 transitions. [2023-12-03 00:34:16,297 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2023-12-03 00:34:16,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:34:16,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:16,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:16,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:34:16,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:16,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:17,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:17,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 95 states and 138 transitions. [2023-12-03 00:34:17,850 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2023-12-03 00:34:17,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:34:17,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:17,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:17,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:34:17,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:18,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:21,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:21,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 157 transitions. [2023-12-03 00:34:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2023-12-03 00:34:21,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:34:21,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:21,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:21,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:34:21,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:24,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:24,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 178 transitions. [2023-12-03 00:34:24,950 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 178 transitions. [2023-12-03 00:34:24,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:34:24,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:24,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:24,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:34:24,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:24,995 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:25,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 120 states and 188 transitions. [2023-12-03 00:34:25,539 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-12-03 00:34:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:34:25,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:25,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:25,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:34:25,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:25,586 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:26,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:26,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 123 states and 193 transitions. [2023-12-03 00:34:26,263 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2023-12-03 00:34:26,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:34:26,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:26,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:26,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:34:26,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:26,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:26,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 196 transitions. [2023-12-03 00:34:26,951 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 196 transitions. [2023-12-03 00:34:26,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:34:26,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:26,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:26,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:34:26,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:34:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 132 states and 207 transitions. [2023-12-03 00:34:28,617 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 207 transitions. [2023-12-03 00:34:28,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 00:34:28,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:28,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:28,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:34:28,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:29,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:29,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 133 states and 208 transitions. [2023-12-03 00:34:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 208 transitions. [2023-12-03 00:34:29,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:34:29,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:29,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:29,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 00:34:29,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:29,443 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:34:30,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:30,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 143 states and 226 transitions. [2023-12-03 00:34:30,886 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 226 transitions. [2023-12-03 00:34:30,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:34:30,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:30,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:30,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 00:34:30,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:31,068 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:34:31,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:31,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 144 states and 232 transitions. [2023-12-03 00:34:31,191 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2023-12-03 00:34:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 00:34:31,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:31,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:31,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:34:31,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:31,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:34:33,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:33,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 163 states and 258 transitions. [2023-12-03 00:34:33,618 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 258 transitions. [2023-12-03 00:34:33,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:34:33,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:33,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:33,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:34:33,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:34,394 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:34:38,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 174 states and 278 transitions. [2023-12-03 00:34:38,035 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 278 transitions. [2023-12-03 00:34:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:34:38,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:38,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:38,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:34:38,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:42,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:42,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 189 states and 302 transitions. [2023-12-03 00:34:42,522 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 302 transitions. [2023-12-03 00:34:42,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:34:42,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:42,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:42,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:34:42,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:42,570 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:45,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:45,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 191 states and 307 transitions. [2023-12-03 00:34:45,870 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 307 transitions. [2023-12-03 00:34:45,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:34:45,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:45,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:45,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:34:45,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:45,918 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:51,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 204 states and 329 transitions. [2023-12-03 00:34:51,426 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 329 transitions. [2023-12-03 00:34:51,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:34:51,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:51,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:51,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:34:51,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:51,472 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:34:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:54,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 206 states and 334 transitions. [2023-12-03 00:34:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 334 transitions. [2023-12-03 00:34:54,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 00:34:54,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:54,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:54,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:34:54,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:54,093 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 00:34:54,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:54,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 199 states and 319 transitions. [2023-12-03 00:34:54,136 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 319 transitions. [2023-12-03 00:34:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 00:34:54,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:54,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:54,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:34:54,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:54,510 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:00,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 211 states and 352 transitions. [2023-12-03 00:35:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 352 transitions. [2023-12-03 00:35:00,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 00:35:00,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:00,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:00,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:35:00,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:01,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:01,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 212 states and 360 transitions. [2023-12-03 00:35:01,590 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 360 transitions. [2023-12-03 00:35:01,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:35:01,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:01,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:01,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:35:01,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:09,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:09,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 226 states and 394 transitions. [2023-12-03 00:35:09,389 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 394 transitions. [2023-12-03 00:35:09,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:35:09,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:09,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:09,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:35:09,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:10,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:10,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 228 states and 407 transitions. [2023-12-03 00:35:10,732 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 407 transitions. [2023-12-03 00:35:10,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:35:10,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:10,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:10,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:35:10,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:16,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:16,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 236 states and 424 transitions. [2023-12-03 00:35:16,148 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 424 transitions. [2023-12-03 00:35:16,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:35:16,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:16,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:16,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:35:16,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:16,265 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:18,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:18,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 238 states and 427 transitions. [2023-12-03 00:35:18,391 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 427 transitions. [2023-12-03 00:35:18,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:35:18,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:18,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:18,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:35:18,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:18,425 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 00:35:18,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:18,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 238 states and 426 transitions. [2023-12-03 00:35:18,991 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 426 transitions. [2023-12-03 00:35:18,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:35:18,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:18,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:19,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:35:19,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:19,023 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 00:35:21,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:21,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 239 states and 427 transitions. [2023-12-03 00:35:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 427 transitions. [2023-12-03 00:35:21,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:35:21,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:21,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:21,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:35:21,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:23,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 243 states and 436 transitions. [2023-12-03 00:35:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 436 transitions. [2023-12-03 00:35:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:35:23,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:23,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:23,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:35:23,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:23,971 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:26,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:26,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 250 states and 451 transitions. [2023-12-03 00:35:26,851 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 451 transitions. [2023-12-03 00:35:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:35:26,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:26,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:26,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:35:26,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:26,924 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:28,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:28,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 254 states and 461 transitions. [2023-12-03 00:35:28,884 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 461 transitions. [2023-12-03 00:35:28,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:35:28,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:28,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:28,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:35:28,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:28,950 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:32,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:32,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 256 states and 464 transitions. [2023-12-03 00:35:32,762 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 464 transitions. [2023-12-03 00:35:32,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:35:32,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:32,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:32,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:35:32,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:32,832 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 258 states and 466 transitions. [2023-12-03 00:35:34,106 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 466 transitions. [2023-12-03 00:35:34,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:35:34,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:34,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:34,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:34,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:34,346 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:40,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:40,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 267 states and 489 transitions. [2023-12-03 00:35:40,474 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 489 transitions. [2023-12-03 00:35:40,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:35:40,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:40,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:40,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:40,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:40,553 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 273 states and 503 transitions. [2023-12-03 00:35:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 503 transitions. [2023-12-03 00:35:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:35:44,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:44,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:44,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:35:44,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:45,089 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:46,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 277 states and 512 transitions. [2023-12-03 00:35:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 512 transitions. [2023-12-03 00:35:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:35:46,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:46,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:46,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:46,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:46,544 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 278 states and 514 transitions. [2023-12-03 00:35:48,238 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 514 transitions. [2023-12-03 00:35:48,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:35:48,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:48,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:48,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:35:48,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:48,322 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:49,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:49,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 280 states and 520 transitions. [2023-12-03 00:35:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 520 transitions. [2023-12-03 00:35:49,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:35:49,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:49,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:49,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:49,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:49,977 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:53,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 284 states and 525 transitions. [2023-12-03 00:35:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 525 transitions. [2023-12-03 00:35:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:35:53,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:53,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:53,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:35:53,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:53,511 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:54,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 285 states and 527 transitions. [2023-12-03 00:35:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 527 transitions. [2023-12-03 00:35:54,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:35:54,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:54,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:54,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:35:54,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:54,532 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:35:59,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:59,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 287 states and 530 transitions. [2023-12-03 00:35:59,617 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 530 transitions. [2023-12-03 00:35:59,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:35:59,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:59,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:59,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:35:59,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:36:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:03,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 290 states and 537 transitions. [2023-12-03 00:36:03,016 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 537 transitions. [2023-12-03 00:36:03,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:36:03,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:03,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:03,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:36:03,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:36:04,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:04,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 292 states and 541 transitions. [2023-12-03 00:36:04,288 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 541 transitions. [2023-12-03 00:36:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:36:04,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:04,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:04,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:36:04,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:04,348 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:36:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:05,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 293 states and 542 transitions. [2023-12-03 00:36:05,494 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 542 transitions. [2023-12-03 00:36:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:36:05,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:05,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:05,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:36:05,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:05,567 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:36:06,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:06,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 294 states and 543 transitions. [2023-12-03 00:36:06,223 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 543 transitions. [2023-12-03 00:36:06,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:36:06,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:06,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:06,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:36:06,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:09,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:09,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 300 states and 550 transitions. [2023-12-03 00:36:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 550 transitions. [2023-12-03 00:36:09,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:36:09,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:09,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:09,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:36:09,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:36:10,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:10,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 302 states and 553 transitions. [2023-12-03 00:36:10,604 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 553 transitions. [2023-12-03 00:36:10,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:36:10,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:10,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:10,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:36:10,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:36:12,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 304 states and 556 transitions. [2023-12-03 00:36:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 556 transitions. [2023-12-03 00:36:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:36:12,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:12,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:12,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:36:12,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:12,456 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:14,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:14,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 310 states and 564 transitions. [2023-12-03 00:36:14,801 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 564 transitions. [2023-12-03 00:36:14,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:36:14,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:14,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:14,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:36:14,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:14,980 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:17,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 314 states and 571 transitions. [2023-12-03 00:36:17,821 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 571 transitions. [2023-12-03 00:36:17,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:36:17,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:17,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:17,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:36:17,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:17,929 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:36:21,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 56 states and 67 transitions. [2023-12-03 00:36:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2023-12-03 00:36:21,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 00:36:21,366 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 61 iterations. [2023-12-03 00:36:21,374 INFO L751 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2023-12-03 00:36:22,319 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:36:22,323 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:36:22,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:36:22 ImpRootNode [2023-12-03 00:36:22,323 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:36:22,324 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:36:22,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:36:22,324 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:36:22,324 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:34:08" (3/4) ... [2023-12-03 00:36:22,326 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 00:36:22,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 00:36:22,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 00:36:22,333 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-12-03 00:36:22,334 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 00:36:22,334 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 00:36:22,334 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:36:22,418 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:36:22,419 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 00:36:22,419 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:36:22,420 INFO L158 Benchmark]: Toolchain (without parser) took 134313.65ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 108.3MB in the beginning and 174.0MB in the end (delta: -65.7MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. [2023-12-03 00:36:22,421 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:36:22,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.70ms. Allocated memory is still 151.0MB. Free memory was 107.8MB in the beginning and 118.0MB in the end (delta: -10.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 00:36:22,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.43ms. Allocated memory is still 151.0MB. Free memory was 117.5MB in the beginning and 115.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:36:22,422 INFO L158 Benchmark]: Boogie Preprocessor took 20.07ms. Allocated memory is still 151.0MB. Free memory was 115.9MB in the beginning and 114.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:36:22,423 INFO L158 Benchmark]: RCFGBuilder took 332.73ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 100.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:36:22,423 INFO L158 Benchmark]: CodeCheck took 133568.52ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 100.8MB in the beginning and 179.2MB in the end (delta: -78.4MB). Peak memory consumption was 221.4MB. Max. memory is 16.1GB. [2023-12-03 00:36:22,424 INFO L158 Benchmark]: Witness Printer took 95.90ms. Allocated memory is still 318.8MB. Free memory was 179.2MB in the beginning and 174.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:36:22,426 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 49 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 132.6s, OverallIterations: 61, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22402 SdHoareTripleChecker+Valid, 80.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20008 mSDsluCounter, 9271 SdHoareTripleChecker+Invalid, 71.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6051 mSDsCounter, 7306 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59257 IncrementalHoareTripleChecker+Invalid, 66563 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7306 mSolverCounterUnsat, 3220 mSDtfsCounter, 59257 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22703 GetRequests, 21043 SyntacticMatches, 900 SemanticMatches, 760 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348495 ImplicationChecksByTransitivity, 123.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 2303 NumberOfCodeBlocks, 2303 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 2243 ConstructedInterpolants, 0 QuantifiedInterpolants, 7519 SizeOfPredicates, 56 NumberOfNonLiveVariables, 5796 ConjunctsInSsa, 366 ConjunctsInUnsatCore, 60 InterpolantComputations, 36 PerfectInterpolantSequences, 728/912 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.70ms. Allocated memory is still 151.0MB. Free memory was 107.8MB in the beginning and 118.0MB in the end (delta: -10.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.43ms. Allocated memory is still 151.0MB. Free memory was 117.5MB in the beginning and 115.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.07ms. Allocated memory is still 151.0MB. Free memory was 115.9MB in the beginning and 114.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.73ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 100.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 133568.52ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 100.8MB in the beginning and 179.2MB in the end (delta: -78.4MB). Peak memory consumption was 221.4MB. Max. memory is 16.1GB. * Witness Printer took 95.90ms. Allocated memory is still 318.8MB. Free memory was 179.2MB in the beginning and 174.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 00:36:22,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615ee4c-264b-4dda-9f2b-2b96c33a157e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE