./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74e9855722264d342377b8ab219a69c32c582cc628f82167488f3dea5640534c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:00:25,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:00:25,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 01:00:25,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:00:25,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:00:25,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:00:25,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:00:25,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:00:25,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:00:25,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:00:25,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:00:25,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:00:25,688 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:00:25,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:00:25,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:00:25,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:00:25,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:00:25,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:00:25,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:00:25,691 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:00:25,692 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:00:25,693 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:00:25,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:00:25,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:00:25,694 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:00:25,694 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:00:25,695 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:00:25,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:00:25,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:00:25,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:00:25,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:00:25,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:00:25,697 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:00:25,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:00:25,697 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:00:25,698 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_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74e9855722264d342377b8ab219a69c32c582cc628f82167488f3dea5640534c [2023-12-03 01:00:25,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:00:25,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:00:25,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:00:25,945 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:00:25,945 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:00:25,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c [2023-12-03 01:00:28,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:00:28,886 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:00:28,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c [2023-12-03 01:00:28,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9/data/5e59ef177/07a61e9edd7940b7af7213fbdac50680/FLAG9e756edd4 [2023-12-03 01:00:28,909 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9/data/5e59ef177/07a61e9edd7940b7af7213fbdac50680 [2023-12-03 01:00:28,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:00:28,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:00:28,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:00:28,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:00:28,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:00:28,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:00:28" (1/1) ... [2023-12-03 01:00:28,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b02dcd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:28, skipping insertion in model container [2023-12-03 01:00:28,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:00:28" (1/1) ... [2023-12-03 01:00:28,953 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:00:29,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:00:29,144 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:00:29,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:00:29,200 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:00:29,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:29 WrapperNode [2023-12-03 01:00:29,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:00:29,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:00:29,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:00:29,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:00:29,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:29" (1/1) ... [2023-12-03 01:00:29,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:29" (1/1) ... [2023-12-03 01:00:29,274 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-12-03 01:00:29,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:00:29,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:00:29,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:00:29,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:00:29,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:29" (1/1) ... [2023-12-03 01:00:29,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:29" (1/1) ... [2023-12-03 01:00:29,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:29" (1/1) ... [2023-12-03 01:00:29,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:29" (1/1) ... [2023-12-03 01:00:29,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:29" (1/1) ... [2023-12-03 01:00:29,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:29" (1/1) ... [2023-12-03 01:00:29,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:29" (1/1) ... [2023-12-03 01:00:29,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:29" (1/1) ... [2023-12-03 01:00:29,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:00:29,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:00:29,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:00:29,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:00:29,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:29" (1/1) ... [2023-12-03 01:00:29,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:00:29,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:00:29,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:00:29,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f690904-b798-48d1-8e6f-66efbd62b205/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:00:29,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:00:29,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:00:29,369 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:00:29,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:00:29,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:00:29,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:00:29,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:00:29,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:00:29,445 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:00:29,448 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:00:29,843 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:00:29,879 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:00:29,879 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 01:00:29,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:29 BoogieIcfgContainer [2023-12-03 01:00:29,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:00:29,882 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:00:29,882 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:00:29,892 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:00:29,892 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:29" (1/1) ... [2023-12-03 01:00:29,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:00:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 161 states and 174 transitions. [2023-12-03 01:00:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-12-03 01:00:29,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:00:29,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:29,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:30,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 01:00:30,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:30,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:00:30,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 160 states and 173 transitions. [2023-12-03 01:00:30,297 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-12-03 01:00:30,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:00:30,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:30,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:30,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:00:30,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:30,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:00:30,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:30,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 172 transitions. [2023-12-03 01:00:30,656 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-12-03 01:00:30,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:00:30,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:30,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:30,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:00:30,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:00:30,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:30,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 171 transitions. [2023-12-03 01:00:30,701 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2023-12-03 01:00:30,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:00:30,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:30,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:30,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:00:30,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:30,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:00:30,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:30,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 157 states and 170 transitions. [2023-12-03 01:00:30,881 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2023-12-03 01:00:30,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:00:30,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:30,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:30,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:00:30,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:00:31,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:31,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 159 states and 172 transitions. [2023-12-03 01:00:31,743 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-12-03 01:00:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:00:31,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:31,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:31,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:00:31,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:00:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:32,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 176 transitions. [2023-12-03 01:00:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-12-03 01:00:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:00:32,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:32,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:33,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:00:33,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:33,038 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:00:33,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:33,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 163 states and 177 transitions. [2023-12-03 01:00:33,070 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2023-12-03 01:00:33,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:00:33,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:33,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:33,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:00:33,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:33,217 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:00:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:34,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 168 states and 185 transitions. [2023-12-03 01:00:34,216 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 185 transitions. [2023-12-03 01:00:34,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:00:34,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:34,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:34,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:00:34,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:00:34,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:34,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 171 states and 190 transitions. [2023-12-03 01:00:34,962 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 190 transitions. [2023-12-03 01:00:34,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:00:34,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:34,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:34,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:00:34,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:00:35,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:35,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 175 states and 197 transitions. [2023-12-03 01:00:35,715 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 197 transitions. [2023-12-03 01:00:35,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:00:35,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:35,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:35,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:00:35,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:00:36,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:36,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 180 states and 206 transitions. [2023-12-03 01:00:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 206 transitions. [2023-12-03 01:00:36,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:00:36,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:36,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:36,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:00:36,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:00:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 186 states and 217 transitions. [2023-12-03 01:00:37,472 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 217 transitions. [2023-12-03 01:00:37,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:00:37,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:37,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:37,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:00:37,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:00:37,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:37,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 187 states and 218 transitions. [2023-12-03 01:00:37,646 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 218 transitions. [2023-12-03 01:00:37,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:00:37,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:37,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:37,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:00:37,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:37,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:00:41,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:41,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 199 states and 238 transitions. [2023-12-03 01:00:41,097 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 238 transitions. [2023-12-03 01:00:41,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:00:41,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:41,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:41,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 01:00:41,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:00:45,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:45,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 212 states and 259 transitions. [2023-12-03 01:00:45,510 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 259 transitions. [2023-12-03 01:00:45,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:00:45,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:45,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:45,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:00:45,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:00:50,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:50,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 227 states and 284 transitions. [2023-12-03 01:00:50,678 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 284 transitions. [2023-12-03 01:00:50,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 01:00:50,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:50,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:50,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:00:50,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:00:56,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:56,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 243 states and 311 transitions. [2023-12-03 01:00:56,834 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 311 transitions. [2023-12-03 01:00:56,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:00:56,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:56,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:56,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:00:56,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:57,031 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:01:03,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 260 states and 340 transitions. [2023-12-03 01:01:03,947 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 340 transitions. [2023-12-03 01:01:03,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 01:01:03,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:03,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:03,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:01:03,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:01:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:01:10,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 278 states and 371 transitions. [2023-12-03 01:01:10,893 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 371 transitions. [2023-12-03 01:01:10,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:01:10,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:10,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:10,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:01:10,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:01:11,255 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:01:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 281 states and 376 transitions. [2023-12-03 01:01:14,282 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 376 transitions. [2023-12-03 01:01:14,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:01:14,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:14,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:14,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:01:14,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:01:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:01:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:16,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 285 states and 382 transitions. [2023-12-03 01:01:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 382 transitions. [2023-12-03 01:01:16,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 01:01:16,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:16,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:16,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:01:16,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:01:17,090 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 01:01:27,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:27,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 307 states and 419 transitions. [2023-12-03 01:01:27,038 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 419 transitions. [2023-12-03 01:01:27,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:01:27,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:27,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:27,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:01:27,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:01:27,427 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 01:01:38,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:38,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 330 states and 458 transitions. [2023-12-03 01:01:38,892 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 458 transitions. [2023-12-03 01:01:38,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:01:38,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:38,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:38,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:01:38,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:01:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 01:01:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:51,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 354 states and 499 transitions. [2023-12-03 01:01:51,892 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 499 transitions. [2023-12-03 01:01:51,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:01:51,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:51,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:51,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:01:51,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:01:52,208 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:01:55,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 363 states and 514 transitions. [2023-12-03 01:01:55,325 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 514 transitions. [2023-12-03 01:01:55,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:01:55,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:55,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:55,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:01:55,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:01:55,920 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 01:01:58,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:58,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 367 states and 521 transitions. [2023-12-03 01:01:58,106 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 521 transitions. [2023-12-03 01:01:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:01:58,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:58,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:01:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:58,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:01:58,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:02:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 01:02:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:07,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 371 states and 529 transitions. [2023-12-03 01:02:07,927 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 529 transitions. [2023-12-03 01:02:07,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 01:02:07,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:07,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:07,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:02:07,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:02:08,205 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 01:02:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 374 states and 534 transitions. [2023-12-03 01:02:10,857 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 534 transitions. [2023-12-03 01:02:10,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:02:10,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:10,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:10,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:02:10,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:02:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 01:02:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 375 states and 535 transitions. [2023-12-03 01:02:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 535 transitions. [2023-12-03 01:02:11,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:02:11,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:11,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:11,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:02:11,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:02:11,762 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 01:02:36,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:36,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 406 states and 586 transitions. [2023-12-03 01:02:36,207 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 586 transitions. [2023-12-03 01:02:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 01:02:36,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:36,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:36,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:02:36,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:02:36,602 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:02:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 438 states and 639 transitions. [2023-12-03 01:02:57,235 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 639 transitions. [2023-12-03 01:02:57,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 01:02:57,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:57,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:57,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:02:57,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:02:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 01:02:59,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:02:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 441 states and 644 transitions. [2023-12-03 01:02:59,751 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 644 transitions. [2023-12-03 01:02:59,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:02:59,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:02:59,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:02:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:59,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:02:59,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:00,366 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 01:03:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:02,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 442 states and 645 transitions. [2023-12-03 01:03:02,045 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 645 transitions. [2023-12-03 01:03:02,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:03:02,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:02,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:02,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:03:02,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:02,451 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 01:03:03,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 443 states and 646 transitions. [2023-12-03 01:03:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 646 transitions. [2023-12-03 01:03:03,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:03:03,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:03,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:03,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:03:03,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:05,550 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 01:03:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 445 states and 648 transitions. [2023-12-03 01:03:09,517 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 648 transitions. [2023-12-03 01:03:09,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:03:09,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:09,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:09,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:03:09,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 01:03:25,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:25,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 455 states and 662 transitions. [2023-12-03 01:03:25,318 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 662 transitions. [2023-12-03 01:03:25,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 01:03:25,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:25,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:25,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:03:25,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:26,103 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 01:03:29,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:29,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 459 states and 667 transitions. [2023-12-03 01:03:29,627 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 667 transitions. [2023-12-03 01:03:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:03:29,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:29,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:29,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:03:29,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:03:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:58,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 498 states and 727 transitions. [2023-12-03 01:03:58,201 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 727 transitions. [2023-12-03 01:03:58,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:03:58,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:58,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:58,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:03:58,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:58,688 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:04:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:28,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 538 states and 788 transitions. [2023-12-03 01:04:28,857 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 788 transitions. [2023-12-03 01:04:28,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 01:04:28,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:28,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:28,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 01:04:28,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:04:36,754 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:05:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:48,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 579 states and 847 transitions. [2023-12-03 01:05:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 847 transitions. [2023-12-03 01:05:48,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:05:48,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:48,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:48,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:05:48,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:05:49,014 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:06:10,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:10,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 581 states and 851 transitions. [2023-12-03 01:06:10,535 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 851 transitions. [2023-12-03 01:06:10,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:06:10,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:10,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:06:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:10,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:06:10,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 01:06:16,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 01:06:18,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:18,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 583 states and 854 transitions. [2023-12-03 01:06:18,061 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 854 transitions. [2023-12-03 01:06:18,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:06:18,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:18,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:06:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:18,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:06:18,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:22,459 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 01:06:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 586 states and 858 transitions. [2023-12-03 01:06:44,059 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 858 transitions. [2023-12-03 01:06:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 01:06:44,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:44,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:06:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:44,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:06:44,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:47,994 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 01:07:07,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 591 states and 865 transitions. [2023-12-03 01:07:07,180 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 865 transitions. [2023-12-03 01:07:07,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 01:07:07,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:07,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:07,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:07:07,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:09,618 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 01:07:14,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:14,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 595 states and 870 transitions. [2023-12-03 01:07:14,395 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 870 transitions. [2023-12-03 01:07:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:07:14,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:14,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:14,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:07:14,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:07:27,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 596 states and 872 transitions. [2023-12-03 01:07:27,353 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 872 transitions. [2023-12-03 01:07:27,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 01:07:27,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:27,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:27,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:07:27,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:34,692 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 01:08:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:05,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 599 states and 878 transitions. [2023-12-03 01:08:05,088 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 878 transitions. [2023-12-03 01:08:05,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 01:08:05,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:05,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:08:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:05,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:08:05,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:05,680 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 01:08:06,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 598 states and 877 transitions. [2023-12-03 01:08:06,286 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 877 transitions. [2023-12-03 01:08:06,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 01:08:06,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:06,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:08:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:06,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:08:06,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 01:09:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 637 states and 932 transitions. [2023-12-03 01:09:51,319 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 932 transitions. [2023-12-03 01:09:51,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 01:09:51,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:51,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:51,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:09:51,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:51,434 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 01:10:28,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 643 states and 946 transitions. [2023-12-03 01:10:28,129 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 946 transitions. [2023-12-03 01:10:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 01:10:28,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:28,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:28,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:10:28,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:28,926 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 01:11:32,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:32,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 686 states and 1006 transitions. [2023-12-03 01:11:32,090 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1006 transitions. [2023-12-03 01:11:32,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 01:11:32,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:32,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:11:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:32,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:11:32,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:32,192 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 01:11:32,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:32,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 687 states and 1007 transitions. [2023-12-03 01:11:32,272 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1007 transitions. [2023-12-03 01:11:32,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 01:11:32,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:32,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:11:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:32,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:11:32,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:32,858 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 01:12:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 728 states and 1067 transitions. [2023-12-03 01:12:17,721 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1067 transitions. [2023-12-03 01:12:17,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 01:12:17,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:17,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:12:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:17,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:12:17,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:20,382 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 01:12:47,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:47,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 763 states and 1121 transitions. [2023-12-03 01:12:47,955 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1121 transitions. [2023-12-03 01:12:47,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 01:12:47,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:47,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:12:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:48,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:48,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 01:13:15,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:15,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 798 states and 1174 transitions. [2023-12-03 01:13:15,893 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1174 transitions. [2023-12-03 01:13:15,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 01:13:15,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:15,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:13:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:15,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:13:15,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:17,421 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 01:14:11,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:11,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 847 states and 1357 transitions. [2023-12-03 01:14:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1357 transitions. [2023-12-03 01:14:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 01:14:11,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:11,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:11,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:14:11,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 01:14:24,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:24,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 856 states and 1378 transitions. [2023-12-03 01:14:24,025 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1378 transitions. [2023-12-03 01:14:24,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 01:14:24,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:24,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:24,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:14:24,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:25,600 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.