./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca0a35d4b53e887915aee77ad0870e3a785e5005b2722a373bb8b33ec26ecb04 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:06:42,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:42,932 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:06:42,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:06:42,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:06:42,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:42,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:42,989 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:42,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:42,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:42,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:42,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:42,998 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:06:42,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:06:43,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:06:43,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:43,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:43,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:43,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:43,003 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:06:43,003 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:06:43,004 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:06:43,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:43,005 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:43,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:43,005 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:43,006 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:43,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:43,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:43,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:43,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:43,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:43,009 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:06:43,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:06:43,009 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:43,010 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_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca0a35d4b53e887915aee77ad0870e3a785e5005b2722a373bb8b33ec26ecb04 [2023-11-19 03:06:43,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:43,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:43,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:43,308 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:43,308 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:43,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound50.c [2023-11-19 03:06:46,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:46,562 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:46,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound50.c [2023-11-19 03:06:46,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL/data/82e53145e/25d613653e334ea9827dbf8f3349a076/FLAG4e7df1018 [2023-11-19 03:06:46,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL/data/82e53145e/25d613653e334ea9827dbf8f3349a076 [2023-11-19 03:06:46,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:46,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:46,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:46,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:46,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:46,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4867ac46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:46, skipping insertion in model container [2023-11-19 03:06:46,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,624 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:46,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:46,783 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:46,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:46,820 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:46,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:46 WrapperNode [2023-11-19 03:06:46,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:46,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:46,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:46,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:46,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,859 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2023-11-19 03:06:46,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:46,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:46,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:46,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:46,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:46,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:46,886 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:46,886 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:46,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:46,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:46,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:46,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d029ed8a-65b3-41c6-a797-afc99a73c49f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:06:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:06:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:06:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:06:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:06:47,084 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:47,087 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:47,490 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:06:47,539 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:06:47,539 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:06:47,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:47 BoogieIcfgContainer [2023-11-19 03:06:47,545 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:06:47,547 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:06:47,552 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:06:47,569 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:06:47,570 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:47" (1/1) ... [2023-11-19 03:06:47,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:06:47,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-19 03:06:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-19 03:06:47,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:06:47,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:47,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:47,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:06:47,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:06:48,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:48,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 80 transitions. [2023-11-19 03:06:48,184 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2023-11-19 03:06:48,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:06:48,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:48,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:48,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:06:48,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:48,308 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:06:48,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:48,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 75 states and 79 transitions. [2023-11-19 03:06:48,338 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2023-11-19 03:06:48,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:06:48,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:48,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:48,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:06:48,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:06:48,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 77 states and 81 transitions. [2023-11-19 03:06:48,684 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-19 03:06:48,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:06:48,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:48,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:48,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:06:48,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:49,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:49,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 80 states and 85 transitions. [2023-11-19 03:06:49,158 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2023-11-19 03:06:49,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:06:49,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:49,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:49,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:06:49,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:49,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:06:50,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 84 states and 91 transitions. [2023-11-19 03:06:50,342 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2023-11-19 03:06:50,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:06:50,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:50,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:50,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:06:50,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:06:50,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:50,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 87 states and 95 transitions. [2023-11-19 03:06:50,998 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2023-11-19 03:06:50,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:06:50,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:50,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:51,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:06:51,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:51,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 93 states and 104 transitions. [2023-11-19 03:06:51,563 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2023-11-19 03:06:51,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:06:51,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:51,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:51,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:06:51,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:51,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:52,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:52,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 100 states and 115 transitions. [2023-11-19 03:06:52,338 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2023-11-19 03:06:52,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:06:52,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:52,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:52,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:06:52,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:54,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 108 states and 128 transitions. [2023-11-19 03:06:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 128 transitions. [2023-11-19 03:06:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:06:54,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:54,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:54,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:06:54,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:54,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:07:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 117 states and 142 transitions. [2023-11-19 03:07:00,463 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 142 transitions. [2023-11-19 03:07:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:07:00,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:00,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:00,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:07:00,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:07:03,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 127 states and 153 transitions. [2023-11-19 03:07:03,217 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 153 transitions. [2023-11-19 03:07:03,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:07:03,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:03,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:03,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:07:03,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:04,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:07:05,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 138 states and 166 transitions. [2023-11-19 03:07:05,474 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2023-11-19 03:07:05,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:07:05,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:05,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:05,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:07:05,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:07:05,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:05,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 141 states and 171 transitions. [2023-11-19 03:07:05,859 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 171 transitions. [2023-11-19 03:07:05,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:07:05,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:05,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:05,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:07:05,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:05,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:07:07,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:07,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 155 states and 191 transitions. [2023-11-19 03:07:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 191 transitions. [2023-11-19 03:07:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:07:07,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:07,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:07,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:07:07,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:07:08,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 159 states and 198 transitions. [2023-11-19 03:07:08,519 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 198 transitions. [2023-11-19 03:07:08,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:07:08,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:08,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:08,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:07:08,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:08,645 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:07:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:10,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 174 states and 220 transitions. [2023-11-19 03:07:10,802 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 220 transitions. [2023-11-19 03:07:10,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:07:10,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:10,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:10,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:07:10,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:10,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:07:12,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 180 states and 231 transitions. [2023-11-19 03:07:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 231 transitions. [2023-11-19 03:07:12,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:07:12,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:12,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:12,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:07:12,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:12,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:07:13,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:13,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 183 states and 235 transitions. [2023-11-19 03:07:13,215 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 235 transitions. [2023-11-19 03:07:13,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:07:13,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:13,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:13,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:07:13,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:07:14,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:14,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 189 states and 245 transitions. [2023-11-19 03:07:14,635 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 245 transitions. [2023-11-19 03:07:14,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:07:14,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:14,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:14,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:07:14,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:14,709 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:07:15,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:15,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 193 states and 250 transitions. [2023-11-19 03:07:15,280 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 250 transitions. [2023-11-19 03:07:15,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:07:15,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:15,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:15,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:07:15,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:15,505 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:07:17,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:17,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 200 states and 261 transitions. [2023-11-19 03:07:17,983 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2023-11-19 03:07:17,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:07:17,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:17,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:18,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:07:18,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:18,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:07:20,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:20,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 207 states and 275 transitions. [2023-11-19 03:07:20,620 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 275 transitions. [2023-11-19 03:07:20,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:07:20,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:20,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:20,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:07:20,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:07:23,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:23,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 215 states and 288 transitions. [2023-11-19 03:07:23,365 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 288 transitions. [2023-11-19 03:07:23,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:07:23,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:23,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:23,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:07:23,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:24,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:07:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:30,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 224 states and 304 transitions. [2023-11-19 03:07:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 304 transitions. [2023-11-19 03:07:30,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:07:30,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:30,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:30,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:07:30,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:30,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:07:41,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 232 states and 316 transitions. [2023-11-19 03:07:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 316 transitions. [2023-11-19 03:07:41,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:07:41,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:41,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:41,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:07:41,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:42,043 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.