./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops-crafted-1/sum_natnum.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/sum_natnum.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV --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 ff2ea40d6d25fb86e36a6b6b626bedee46fbbe211877b096a26da0b150125568 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:43:42,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:43:42,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:43:42,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:43:42,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:43:42,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:43:42,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:43:42,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:43:42,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:43:42,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:43:42,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:43:42,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:43:42,541 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:43:42,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:43:42,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:43:42,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:43:42,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:43:42,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:43:42,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:43:42,545 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:43:42,546 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:43:42,547 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:43:42,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:43:42,548 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:43:42,549 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:43:42,549 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:43:42,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:43:42,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:42,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:43:42,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:43:42,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:43:42,553 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:43:42,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:43:42,554 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:43:42,554 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_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff2ea40d6d25fb86e36a6b6b626bedee46fbbe211877b096a26da0b150125568 [2023-11-11 23:43:42,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:43:42,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:43:42,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:43:42,916 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:43:42,932 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:43:42,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/loops-crafted-1/sum_natnum.c [2023-11-11 23:43:46,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:43:46,268 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:43:46,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d65f9d3-c884-4955-8d86-48d89a81bf0e/sv-benchmarks/c/loops-crafted-1/sum_natnum.c [2023-11-11 23:43:46,280 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV/data/08fa3a004/d3e33284bbb84ebeaceb86655cca5a3e/FLAG498ed3e73 [2023-11-11 23:43:46,298 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV/data/08fa3a004/d3e33284bbb84ebeaceb86655cca5a3e [2023-11-11 23:43:46,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:43:46,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:43:46,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:46,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:43:46,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:43:46,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:46" (1/1) ... [2023-11-11 23:43:46,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7704d701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:46, skipping insertion in model container [2023-11-11 23:43:46,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:46" (1/1) ... [2023-11-11 23:43:46,349 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:43:46,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:46,589 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:43:46,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:46,631 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:43:46,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:46 WrapperNode [2023-11-11 23:43:46,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:46,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:46,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:43:46,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:43:46,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:46" (1/1) ... [2023-11-11 23:43:46,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:46" (1/1) ... [2023-11-11 23:43:46,681 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2023-11-11 23:43:46,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:46,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:43:46,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:43:46,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:43:46,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:46" (1/1) ... [2023-11-11 23:43:46,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:46" (1/1) ... [2023-11-11 23:43:46,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:46" (1/1) ... [2023-11-11 23:43:46,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:46" (1/1) ... [2023-11-11 23:43:46,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:46" (1/1) ... [2023-11-11 23:43:46,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:46" (1/1) ... [2023-11-11 23:43:46,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:46" (1/1) ... [2023-11-11 23:43:46,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:46" (1/1) ... [2023-11-11 23:43:46,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:43:46,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:43:46,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:43:46,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:43:46,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:46" (1/1) ... [2023-11-11 23:43:46,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:46,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:43:46,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:43:46,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d65f9d3-c884-4955-8d86-48d89a81bf0e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:43:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:43:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:43:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:43:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:43:46,859 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:43:46,861 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:44:07,099 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:44:07,142 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:44:07,143 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:44:07,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:07 BoogieIcfgContainer [2023-11-11 23:44:07,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:44:07,146 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:44:07,147 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:44:07,154 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:44:07,155 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:07" (1/1) ... [2023-11-11 23:44:07,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:44:07,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:07,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2023-11-11 23:44:07,265 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2023-11-11 23:44:07,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:44:07,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:07,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:07,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-11-11 23:44:07,462 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-11 23:44:07,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:44:07,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:07,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:07,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:07,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:07,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2023-11-11 23:44:07,529 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-11 23:44:07,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:44:07,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:07,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:07,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:07,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:07,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-11 23:44:07,585 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-11 23:44:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:44:07,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:07,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:07,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:44:07,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:07,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-11 23:44:07,764 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-11 23:44:07,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:44:07,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:07,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:07,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:07,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:07,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2023-11-11 23:44:07,996 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-11 23:44:07,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:44:07,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:07,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:08,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:44:08,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2023-11-11 23:44:08,295 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-11 23:44:08,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:44:08,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:08,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:08,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:08,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:08,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2023-11-11 23:44:08,697 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2023-11-11 23:44:08,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:44:08,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:08,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:44:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:09,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2023-11-11 23:44:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2023-11-11 23:44:09,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:44:09,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:09,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:09,100 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:09,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:09,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2023-11-11 23:44:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-11 23:44:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:44:09,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:09,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:09,570 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:44:09,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:09,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2023-11-11 23:44:09,941 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-11-11 23:44:09,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:44:09,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:09,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:44:09,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:09,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 63 transitions. [2023-11-11 23:44:09,962 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2023-11-11 23:44:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:44:09,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:09,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:44:10,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:10,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2023-11-11 23:44:10,073 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2023-11-11 23:44:10,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:44:10,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:10,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:10,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:44:10,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:10,283 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:10,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:10,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2023-11-11 23:44:10,556 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2023-11-11 23:44:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:44:10,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:10,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:10,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:44:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2023-11-11 23:44:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2023-11-11 23:44:10,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:44:10,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:10,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:10,746 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:44:10,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:10,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 49 states and 66 transitions. [2023-11-11 23:44:10,932 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2023-11-11 23:44:10,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:44:10,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:10,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:10,952 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:44:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:11,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2023-11-11 23:44:11,115 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-11-11 23:44:11,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:44:11,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:11,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:11,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:44:11,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:11,282 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:11,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:11,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2023-11-11 23:44:11,661 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2023-11-11 23:44:11,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:44:11,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:11,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:11,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:44:11,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2023-11-11 23:44:12,234 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-11-11 23:44:12,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:44:12,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:12,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:12,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:44:12,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2023-11-11 23:44:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2023-11-11 23:44:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:44:12,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:12,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:12,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-11 23:44:12,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:13,004 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:13,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:13,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2023-11-11 23:44:13,471 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2023-11-11 23:44:13,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:44:13,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:13,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:13,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-11 23:44:13,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:13,666 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:14,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:14,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 38 states and 40 transitions. [2023-11-11 23:44:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2023-11-11 23:44:14,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:44:14,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:14,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:14,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:44:14,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:14,362 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 41 states and 43 transitions. [2023-11-11 23:44:14,888 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2023-11-11 23:44:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:44:14,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:14,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:14,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-11 23:44:14,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:15,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 44 states and 46 transitions. [2023-11-11 23:44:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2023-11-11 23:44:15,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:44:15,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:15,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:15,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-11 23:44:15,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:15,933 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:16,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 47 states and 49 transitions. [2023-11-11 23:44:16,512 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2023-11-11 23:44:16,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:44:16,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:16,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:16,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-11 23:44:16,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:17,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:17,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 50 states and 52 transitions. [2023-11-11 23:44:17,395 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2023-11-11 23:44:17,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-11 23:44:17,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:17,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:17,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-11 23:44:17,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:18,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:18,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2023-11-11 23:44:18,344 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2023-11-11 23:44:18,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:44:18,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:18,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:18,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-11 23:44:18,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:18,656 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:19,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:19,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 56 states and 58 transitions. [2023-11-11 23:44:19,345 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2023-11-11 23:44:19,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-11 23:44:19,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:19,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:19,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-11 23:44:19,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:19,658 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:20,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2023-11-11 23:44:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2023-11-11 23:44:20,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:44:20,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:20,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:20,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-11 23:44:20,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:21,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:21,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 62 states and 64 transitions. [2023-11-11 23:44:21,397 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2023-11-11 23:44:21,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-11 23:44:21,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:21,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:21,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-11 23:44:21,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:21,732 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:22,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:22,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 65 states and 67 transitions. [2023-11-11 23:44:22,438 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2023-11-11 23:44:22,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-11 23:44:22,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:22,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:22,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-11 23:44:22,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:23,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 68 states and 70 transitions. [2023-11-11 23:44:23,521 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2023-11-11 23:44:23,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-11 23:44:23,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:23,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:23,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:44:23,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:23,894 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 71 states and 73 transitions. [2023-11-11 23:44:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2023-11-11 23:44:24,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-11 23:44:24,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:24,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:24,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-11 23:44:24,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:25,042 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:25,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:25,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 74 states and 76 transitions. [2023-11-11 23:44:25,805 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2023-11-11 23:44:25,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-11 23:44:25,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:25,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:25,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-11 23:44:25,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:26,205 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 590 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:26,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:26,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 77 states and 79 transitions. [2023-11-11 23:44:26,975 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 79 transitions. [2023-11-11 23:44:26,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-11 23:44:26,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:26,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:27,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-11 23:44:27,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:27,374 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:28,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 80 states and 82 transitions. [2023-11-11 23:44:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2023-11-11 23:44:28,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-11 23:44:28,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:28,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:28,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-11 23:44:28,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:29,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:29,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 83 states and 85 transitions. [2023-11-11 23:44:29,564 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 85 transitions. [2023-11-11 23:44:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-11 23:44:29,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:29,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:29,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-11 23:44:29,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:29,996 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 0 proven. 782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:30,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 86 states and 88 transitions. [2023-11-11 23:44:30,907 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 88 transitions. [2023-11-11 23:44:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-11 23:44:30,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:30,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:30,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-11 23:44:30,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:31,367 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 0 proven. 852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:32,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 89 states and 91 transitions. [2023-11-11 23:44:32,268 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2023-11-11 23:44:32,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-11 23:44:32,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:32,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:32,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-11 23:44:32,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:32,737 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 0 proven. 925 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:33,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 92 states and 94 transitions. [2023-11-11 23:44:33,735 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 94 transitions. [2023-11-11 23:44:33,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-11 23:44:33,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:33,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:33,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-11 23:44:33,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 0 proven. 1001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:35,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 95 states and 97 transitions. [2023-11-11 23:44:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 97 transitions. [2023-11-11 23:44:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-11 23:44:35,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:35,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:35,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-11 23:44:35,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:36,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:36,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 98 states and 100 transitions. [2023-11-11 23:44:36,666 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 100 transitions. [2023-11-11 23:44:36,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-11 23:44:36,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:36,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:36,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-11 23:44:36,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:37,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 0 proven. 1162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:38,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 101 states and 103 transitions. [2023-11-11 23:44:38,234 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2023-11-11 23:44:38,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-11 23:44:38,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:38,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:38,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-11 23:44:38,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 0 proven. 1247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:39,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:39,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 104 states and 106 transitions. [2023-11-11 23:44:39,768 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 106 transitions. [2023-11-11 23:44:39,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-11 23:44:39,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:39,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:39,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-11 23:44:39,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 0 proven. 1335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:41,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:41,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 107 states and 109 transitions. [2023-11-11 23:44:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 109 transitions. [2023-11-11 23:44:41,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-11 23:44:41,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:41,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:41,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-11 23:44:41,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 0 proven. 1426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.