./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/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_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/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_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/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 3a80fea07b3dad363ac033c87feb8bfcf28a57d2e75bc95b67f90908b133efe1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:16:11,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:16:11,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:16:11,856 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:16:11,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:16:11,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:16:11,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:16:11,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:16:11,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:16:11,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:16:11,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:16:11,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:16:11,892 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:16:11,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:16:11,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:16:11,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:16:11,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:16:11,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:16:11,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:16:11,898 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:16:11,898 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:16:11,899 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:16:11,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:16:11,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:16:11,902 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:16:11,903 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:16:11,903 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:16:11,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:16:11,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:11,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:16:11,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:16:11,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:16:11,935 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:16:11,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:16:11,936 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:16:11,936 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_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a80fea07b3dad363ac033c87feb8bfcf28a57d2e75bc95b67f90908b133efe1 [2023-11-23 20:16:12,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:16:12,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:16:12,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:16:12,392 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:16:12,392 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:16:12,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c [2023-11-23 20:16:15,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:16:15,950 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:16:15,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c [2023-11-23 20:16:15,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/bin/ukojak-verify-1t5iHCbJaC/data/4cd5f5d60/9ce3ee951dc3485a9315f3854194430c/FLAGbdef88fbd [2023-11-23 20:16:15,982 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/bin/ukojak-verify-1t5iHCbJaC/data/4cd5f5d60/9ce3ee951dc3485a9315f3854194430c [2023-11-23 20:16:15,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:16:15,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:16:15,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:15,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:16:16,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:16:16,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:15" (1/1) ... [2023-11-23 20:16:16,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15676a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:16, skipping insertion in model container [2023-11-23 20:16:16,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:15" (1/1) ... [2023-11-23 20:16:16,038 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:16:16,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:16,211 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:16:16,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:16,250 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:16:16,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:16 WrapperNode [2023-11-23 20:16:16,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:16,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:16,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:16:16,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:16:16,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:16" (1/1) ... [2023-11-23 20:16:16,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:16" (1/1) ... [2023-11-23 20:16:16,292 INFO L138 Inliner]: procedures = 19, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-23 20:16:16,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:16,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:16:16,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:16:16,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:16:16,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:16" (1/1) ... [2023-11-23 20:16:16,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:16" (1/1) ... [2023-11-23 20:16:16,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:16" (1/1) ... [2023-11-23 20:16:16,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:16" (1/1) ... [2023-11-23 20:16:16,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:16" (1/1) ... [2023-11-23 20:16:16,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:16" (1/1) ... [2023-11-23 20:16:16,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:16" (1/1) ... [2023-11-23 20:16:16,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:16" (1/1) ... [2023-11-23 20:16:16,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:16:16,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:16:16,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:16:16,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:16:16,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:16" (1/1) ... [2023-11-23 20:16:16,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:16,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:16:16,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:16:16,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cbc4e04-96d8-4434-b1a8-e99c17a72ea4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:16:16,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:16:16,412 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:16:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:16:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:16:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure check [2023-11-23 20:16:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2023-11-23 20:16:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:16:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:16:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:16:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:16:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:16:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:16:16,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:16:16,513 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:16:16,515 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:16:16,711 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:16:16,754 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:16:16,754 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:16:16,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:16 BoogieIcfgContainer [2023-11-23 20:16:16,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:16:16,757 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:16:16,757 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:16:16,768 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:16:16,769 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:16" (1/1) ... [2023-11-23 20:16:16,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:16:16,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:16,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2023-11-23 20:16:16,841 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2023-11-23 20:16:16,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:16:16,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:16,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:17,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:16:17,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:17,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2023-11-23 20:16:17,333 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-23 20:16:17,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:16:17,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:17,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:17,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:17,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 42 transitions. [2023-11-23 20:16:17,545 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2023-11-23 20:16:17,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:16:17,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:17,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:17,874 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:17,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 54 transitions. [2023-11-23 20:16:17,995 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2023-11-23 20:16:17,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:16:17,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:17,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:18,456 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:19,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:19,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 65 transitions. [2023-11-23 20:16:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2023-11-23 20:16:19,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:16:19,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:19,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:19,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:19,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:19,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 50 states and 66 transitions. [2023-11-23 20:16:19,557 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2023-11-23 20:16:19,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:16:19,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:19,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:19,911 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:16:21,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:21,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 76 transitions. [2023-11-23 20:16:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2023-11-23 20:16:21,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:16:21,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:21,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:21,682 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:16:22,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:22,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 62 states and 93 transitions. [2023-11-23 20:16:22,379 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2023-11-23 20:16:22,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:16:22,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:22,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:22,514 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:16:22,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:22,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 94 transitions. [2023-11-23 20:16:22,870 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2023-11-23 20:16:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:16:22,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:22,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:16:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:24,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 73 states and 110 transitions. [2023-11-23 20:16:24,095 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2023-11-23 20:16:24,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:16:24,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:24,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:16:26,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:26,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 90 states and 142 transitions. [2023-11-23 20:16:26,994 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2023-11-23 20:16:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:16:26,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:26,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:27,393 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-23 20:16:27,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:27,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 91 states and 143 transitions. [2023-11-23 20:16:27,508 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 143 transitions. [2023-11-23 20:16:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:16:27,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:27,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:27,808 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-23 20:16:30,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:30,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 105 states and 168 transitions. [2023-11-23 20:16:30,874 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2023-11-23 20:16:30,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:16:30,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:30,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-23 20:16:31,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:31,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 106 states and 171 transitions. [2023-11-23 20:16:31,586 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 171 transitions. [2023-11-23 20:16:31,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:16:31,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:31,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-23 20:16:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 115 states and 189 transitions. [2023-11-23 20:16:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 189 transitions. [2023-11-23 20:16:33,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:16:33,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:33,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-23 20:16:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:34,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 124 states and 202 transitions. [2023-11-23 20:16:34,609 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 202 transitions. [2023-11-23 20:16:34,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:16:34,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:34,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:35,177 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-23 20:16:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:35,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 126 states and 204 transitions. [2023-11-23 20:16:35,925 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2023-11-23 20:16:35,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:16:35,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:35,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 20:16:37,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:37,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 135 states and 222 transitions. [2023-11-23 20:16:37,774 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 222 transitions. [2023-11-23 20:16:37,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:16:37,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:37,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:37,964 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-23 20:16:39,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 144 states and 235 transitions. [2023-11-23 20:16:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2023-11-23 20:16:39,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:16:39,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:39,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:39,519 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-23 20:16:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:40,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 146 states and 238 transitions. [2023-11-23 20:16:40,303 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2023-11-23 20:16:40,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:16:40,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:40,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-23 20:16:42,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:42,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 155 states and 256 transitions. [2023-11-23 20:16:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 256 transitions. [2023-11-23 20:16:42,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:16:42,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:42,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:42,634 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-11-23 20:16:44,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:44,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 164 states and 269 transitions. [2023-11-23 20:16:44,088 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 269 transitions. [2023-11-23 20:16:44,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:16:44,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:44,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-23 20:16:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:45,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 166 states and 272 transitions. [2023-11-23 20:16:45,358 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 272 transitions. [2023-11-23 20:16:45,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 20:16:45,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:45,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-23 20:16:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:47,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 175 states and 290 transitions. [2023-11-23 20:16:47,871 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 290 transitions. [2023-11-23 20:16:47,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 20:16:47,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:47,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2023-11-23 20:16:58,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:58,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 216 states and 368 transitions. [2023-11-23 20:16:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 368 transitions. [2023-11-23 20:16:58,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 20:16:58,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:58,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 42 proven. 20 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-23 20:16:59,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:59,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 216 states and 367 transitions. [2023-11-23 20:16:59,448 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 367 transitions. [2023-11-23 20:16:59,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 20:16:59,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:59,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:00,510 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked.