./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi --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 ca6b6f09277139d829682a6458fdcdacf72411331aa404fd46248e3dcb9a9e7f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:45,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:45,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:02:45,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:45,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:45,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:45,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:45,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:45,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:45,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:45,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:45,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:45,683 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:45,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:45,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:45,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:45,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:45,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:45,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:45,688 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:02:45,689 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:45,694 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:45,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:45,696 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:45,697 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:45,698 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:45,698 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:45,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:45,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:45,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:45,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:45,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:45,703 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:45,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:45,703 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:45,704 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_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca6b6f09277139d829682a6458fdcdacf72411331aa404fd46248e3dcb9a9e7f [2023-11-24 23:02:46,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:46,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:46,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:46,118 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:46,119 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:46,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c [2023-11-24 23:02:49,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:49,610 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:49,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c [2023-11-24 23:02:49,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi/data/c6dee4da3/03f0bf08f9e0494486e260a3893bdd4d/FLAG7b816a43d [2023-11-24 23:02:49,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi/data/c6dee4da3/03f0bf08f9e0494486e260a3893bdd4d [2023-11-24 23:02:49,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:49,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:49,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:49,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:49,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:49,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4c37ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:49, skipping insertion in model container [2023-11-24 23:02:49,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,685 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:49,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:49,873 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:49,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:49,911 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:49,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:49 WrapperNode [2023-11-24 23:02:49,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:49,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:49,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:49,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:49,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,954 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-24 23:02:49,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:49,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:49,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:49,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:49,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,981 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:49,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:49,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:49,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:49,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:50,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:50,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:50,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28062007-9bc4-4d40-97f8-2c61127bd187/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:02:50,083 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:02:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:50,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:02:50,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:02:50,161 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:50,164 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:50,430 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:50,468 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:50,469 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:02:50,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:50 BoogieIcfgContainer [2023-11-24 23:02:50,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:50,472 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:50,472 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:50,484 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:50,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:50,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:50,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-24 23:02:50,565 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-24 23:02:50,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:02:50,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:50,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:50,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:02:50,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:02:51,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:51,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-11-24 23:02:51,122 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-24 23:02:51,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:51,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:51,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:51,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:02:51,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:51,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:51,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 61 transitions. [2023-11-24 23:02:51,872 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-11-24 23:02:51,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:02:51,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:51,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:51,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:02:51,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:51,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 68 transitions. [2023-11-24 23:02:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-24 23:02:52,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:02:52,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:52,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:52,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:02:52,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:52,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:53,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:53,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 77 transitions. [2023-11-24 23:02:53,091 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-24 23:02:53,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:02:53,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:53,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:53,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:02:53,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:53,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:54,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:54,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 88 transitions. [2023-11-24 23:02:54,136 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-24 23:02:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:02:54,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:54,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:54,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:02:54,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:54,291 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:54,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:54,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 89 transitions. [2023-11-24 23:02:54,334 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2023-11-24 23:02:54,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:02:54,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:54,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:54,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:02:54,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:54,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:54,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 94 transitions. [2023-11-24 23:02:54,577 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2023-11-24 23:02:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:02:54,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:54,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:54,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:02:54,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 93 transitions. [2023-11-24 23:02:54,854 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2023-11-24 23:02:54,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:02:54,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:54,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:54,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:02:54,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 110 transitions. [2023-11-24 23:02:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2023-11-24 23:02:56,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:02:56,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:56,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:56,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:02:56,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:56,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:56,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 82 states and 113 transitions. [2023-11-24 23:02:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 113 transitions. [2023-11-24 23:02:56,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:02:56,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:56,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:56,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:02:56,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:00,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:00,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 91 states and 129 transitions. [2023-11-24 23:03:00,230 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2023-11-24 23:03:00,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:03:00,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:00,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:00,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:00,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:00,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:00,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 134 transitions. [2023-11-24 23:03:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2023-11-24 23:03:00,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:03:00,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:00,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:00,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:03:00,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:00,663 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:02,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 95 states and 138 transitions. [2023-11-24 23:03:02,227 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2023-11-24 23:03:02,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:03:02,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:02,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:02,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:02,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:02,672 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:05,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:05,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 157 transitions. [2023-11-24 23:03:05,963 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2023-11-24 23:03:05,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:03:05,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:05,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:05,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:05,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:06,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:10,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:10,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 178 transitions. [2023-11-24 23:03:10,361 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 178 transitions. [2023-11-24 23:03:10,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:03:10,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:10,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:10,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:10,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:10,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:11,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:11,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 120 states and 188 transitions. [2023-11-24 23:03:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-11-24 23:03:11,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:03:11,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:11,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:11,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:11,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:11,148 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:12,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:12,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 123 states and 193 transitions. [2023-11-24 23:03:12,016 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2023-11-24 23:03:12,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:03:12,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:12,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:12,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:12,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:12,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:12,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:12,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 196 transitions. [2023-11-24 23:03:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 196 transitions. [2023-11-24 23:03:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:03:12,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:12,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:12,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:03:12,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:03:16,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 137 states and 220 transitions. [2023-11-24 23:03:16,485 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 220 transitions. [2023-11-24 23:03:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:03:16,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:16,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:16,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:03:16,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:17,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:17,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 138 states and 221 transitions. [2023-11-24 23:03:17,099 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 221 transitions. [2023-11-24 23:03:17,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:03:17,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:17,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:17,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:03:17,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:20,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 152 states and 252 transitions. [2023-11-24 23:03:20,825 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 252 transitions. [2023-11-24 23:03:20,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:03:20,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:20,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:20,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:20,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:03:21,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:21,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 156 states and 257 transitions. [2023-11-24 23:03:21,578 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 257 transitions. [2023-11-24 23:03:21,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:03:21,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:21,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:21,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:21,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:21,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:03:22,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:22,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 159 states and 261 transitions. [2023-11-24 23:03:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 261 transitions. [2023-11-24 23:03:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:03:22,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:22,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:22,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:22,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:22,586 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:03:23,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:23,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 163 states and 266 transitions. [2023-11-24 23:03:23,374 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 266 transitions. [2023-11-24 23:03:23,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:03:23,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:23,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:23,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:23,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:23,431 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:03:24,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:24,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 166 states and 270 transitions. [2023-11-24 23:03:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 270 transitions. [2023-11-24 23:03:24,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:03:24,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:24,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:24,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:03:24,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:25,119 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:03:29,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:29,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 176 states and 292 transitions. [2023-11-24 23:03:29,248 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 292 transitions. [2023-11-24 23:03:29,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:03:29,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:29,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:29,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:03:29,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.