./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/geo2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/geo2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC --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 e871fa33b0334d5a32c7b72bf8c566167ee8ba89fea0452fc9132a1c10a2cca9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:03:34,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:03:34,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:03:34,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:03:34,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:03:34,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:03:34,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:03:34,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:03:34,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:03:34,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:03:34,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:03:34,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:03:34,296 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:03:34,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:03:34,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:03:34,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:03:34,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:03:34,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:03:34,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:03:34,300 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:03:34,301 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:03:34,302 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:03:34,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:03:34,303 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:03:34,304 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:03:34,304 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:03:34,305 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:03:34,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:03:34,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:34,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:03:34,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:03:34,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:03:34,308 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:03:34,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:03:34,309 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:03:34,309 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_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e871fa33b0334d5a32c7b72bf8c566167ee8ba89fea0452fc9132a1c10a2cca9 [2023-11-23 20:03:34,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:03:34,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:03:34,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:03:34,576 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:03:34,577 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:03:34,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/geo2-ll.c [2023-11-23 20:03:37,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:03:37,959 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:03:37,959 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0773dc-1442-4c45-983a-8bf032b98f2e/sv-benchmarks/c/nla-digbench/geo2-ll.c [2023-11-23 20:03:37,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC/data/2af968a2a/f162f0a8045c468eb0d17f4d996fd956/FLAG95d486ca5 [2023-11-23 20:03:38,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC/data/2af968a2a/f162f0a8045c468eb0d17f4d996fd956 [2023-11-23 20:03:38,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:03:38,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:03:38,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:38,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:03:38,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:03:38,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:38" (1/1) ... [2023-11-23 20:03:38,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222c0b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:38, skipping insertion in model container [2023-11-23 20:03:38,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:38" (1/1) ... [2023-11-23 20:03:38,340 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:03:38,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:38,535 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:03:38,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:38,568 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:03:38,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:38 WrapperNode [2023-11-23 20:03:38,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:38,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:38,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:03:38,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:03:38,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:38" (1/1) ... [2023-11-23 20:03:38,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:38" (1/1) ... [2023-11-23 20:03:38,607 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-11-23 20:03:38,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:38,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:03:38,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:03:38,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:03:38,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:38" (1/1) ... [2023-11-23 20:03:38,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:38" (1/1) ... [2023-11-23 20:03:38,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:38" (1/1) ... [2023-11-23 20:03:38,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:38" (1/1) ... [2023-11-23 20:03:38,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:38" (1/1) ... [2023-11-23 20:03:38,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:38" (1/1) ... [2023-11-23 20:03:38,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:38" (1/1) ... [2023-11-23 20:03:38,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:38" (1/1) ... [2023-11-23 20:03:38,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:03:38,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:03:38,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:03:38,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:03:38,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:38" (1/1) ... [2023-11-23 20:03:38,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:38,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:03:38,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:03:38,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d0773dc-1442-4c45-983a-8bf032b98f2e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:03:38,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:03:38,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:03:38,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:03:38,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:03:38,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:03:38,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:03:38,791 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:03:38,793 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:03:39,066 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:03:39,102 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:03:39,102 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:03:39,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:39 BoogieIcfgContainer [2023-11-23 20:03:39,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:03:39,106 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:03:39,106 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:03:39,117 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:03:39,118 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:39" (1/1) ... [2023-11-23 20:03:39,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:03:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:39,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 65 states and 67 transitions. [2023-11-23 20:03:39,181 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2023-11-23 20:03:39,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:03:39,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:39,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:39,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:03:39,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:39,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:39,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:39,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 65 states and 66 transitions. [2023-11-23 20:03:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2023-11-23 20:03:39,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:03:39,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:39,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:39,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:39,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:39,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:39,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 67 states and 69 transitions. [2023-11-23 20:03:39,530 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2023-11-23 20:03:39,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:03:39,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:39,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:39,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:39,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:39,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:39,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:39,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 70 states and 74 transitions. [2023-11-23 20:03:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2023-11-23 20:03:39,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:03:39,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:39,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:39,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:39,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:39,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:39,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 71 states and 76 transitions. [2023-11-23 20:03:39,900 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 76 transitions. [2023-11-23 20:03:39,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:03:39,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:39,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:39,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:39,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:40,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 73 states and 79 transitions. [2023-11-23 20:03:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2023-11-23 20:03:40,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:03:40,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:40,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:40,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:03:40,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:40,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:40,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 75 states and 82 transitions. [2023-11-23 20:03:40,328 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2023-11-23 20:03:40,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:03:40,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:40,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:40,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:03:40,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:40,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:40,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:40,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2023-11-23 20:03:40,604 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2023-11-23 20:03:40,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:03:40,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:40,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:40,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:40,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:40,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:41,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:41,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 85 states and 98 transitions. [2023-11-23 20:03:41,662 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2023-11-23 20:03:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:03:41,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:41,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:41,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:41,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:41,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:42,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:42,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 89 states and 105 transitions. [2023-11-23 20:03:42,334 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2023-11-23 20:03:42,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:03:42,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:42,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:42,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:03:42,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:42,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:43,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 93 states and 111 transitions. [2023-11-23 20:03:43,076 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2023-11-23 20:03:43,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:03:43,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:43,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:43,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:03:43,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:43,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2023-11-23 20:03:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2023-11-23 20:03:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:03:43,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:43,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:43,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:43,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:43,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:43,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 97 states and 117 transitions. [2023-11-23 20:03:43,505 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions. [2023-11-23 20:03:43,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:03:43,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:43,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:43,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:43,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:43,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:44,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:44,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 111 states and 138 transitions. [2023-11-23 20:03:44,327 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 138 transitions. [2023-11-23 20:03:44,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:03:44,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:44,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:44,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:44,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:45,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 115 states and 145 transitions. [2023-11-23 20:03:45,804 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 145 transitions. [2023-11-23 20:03:45,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:03:45,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:45,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:45,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:45,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:45,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:47,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:47,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 130 states and 168 transitions. [2023-11-23 20:03:47,243 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 168 transitions. [2023-11-23 20:03:47,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:03:47,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:47,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:47,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:47,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:47,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:48,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:48,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 129 states and 167 transitions. [2023-11-23 20:03:48,051 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 167 transitions. [2023-11-23 20:03:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:03:48,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:48,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:48,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:48,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:48,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:49,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:49,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 132 states and 171 transitions. [2023-11-23 20:03:49,071 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 171 transitions. [2023-11-23 20:03:49,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:03:49,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:49,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:49,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:49,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:49,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:51,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 140 states and 184 transitions. [2023-11-23 20:03:51,319 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 184 transitions. [2023-11-23 20:03:51,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:03:51,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:51,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:51,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:51,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:51,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:52,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 144 states and 189 transitions. [2023-11-23 20:03:52,021 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 189 transitions. [2023-11-23 20:03:52,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:03:52,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:52,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:52,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:52,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:52,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:56,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 151 states and 200 transitions. [2023-11-23 20:03:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 200 transitions. [2023-11-23 20:03:56,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:03:56,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:56,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:56,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:56,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:56,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:56,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 150 states and 199 transitions. [2023-11-23 20:03:56,315 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 199 transitions. [2023-11-23 20:03:56,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:03:56,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:56,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:56,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:56,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:56,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:58,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 158 states and 211 transitions. [2023-11-23 20:03:58,806 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 211 transitions. [2023-11-23 20:03:58,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:03:58,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:58,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:58,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:58,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:58,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:59,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:59,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 164 states and 218 transitions. [2023-11-23 20:03:59,687 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 218 transitions. [2023-11-23 20:03:59,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:03:59,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:59,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:59,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:59,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:04:05,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 173 states and 231 transitions. [2023-11-23 20:04:05,075 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 231 transitions. [2023-11-23 20:04:05,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:04:05,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:05,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:05,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:04:05,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:05,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:04:08,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:08,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 180 states and 241 transitions. [2023-11-23 20:04:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 241 transitions. [2023-11-23 20:04:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:04:08,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:08,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:08,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:04:08,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:08,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:04:13,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 190 states and 255 transitions. [2023-11-23 20:04:13,081 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 255 transitions. [2023-11-23 20:04:13,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:04:13,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:13,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:13,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:04:13,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:04:16,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 198 states and 266 transitions. [2023-11-23 20:04:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 266 transitions. [2023-11-23 20:04:16,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:04:16,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:16,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:16,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:04:16,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:04:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 209 states and 281 transitions. [2023-11-23 20:04:34,257 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 281 transitions. [2023-11-23 20:04:34,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:04:34,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:34,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:34,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:04:34,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.