./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi --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 820aaba80b9c7e4ca2ad4a6a908bac2e6f59545dc6a131cb9fae6306b993a9eb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:38,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:38,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:15:38,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:38,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:38,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:38,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:38,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:38,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:38,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:38,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:38,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:38,756 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:15:38,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:38,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:15:38,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:38,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:38,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:38,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:38,760 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:15:38,761 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:15:38,762 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:15:38,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:38,763 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:38,764 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:38,764 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:38,765 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:38,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:38,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:38,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:38,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:38,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:38,769 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:38,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:38,791 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:38,792 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_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 820aaba80b9c7e4ca2ad4a6a908bac2e6f59545dc6a131cb9fae6306b993a9eb [2023-11-24 22:15:39,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:39,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:39,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:39,201 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:39,202 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:39,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c [2023-11-24 22:15:42,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:42,567 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:42,568 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6780be2c-66e0-4257-9928-f5ab6f9edf0f/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c [2023-11-24 22:15:42,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi/data/9903c98a3/9de2c577bf6f45c3a01aea0317c8bc55/FLAG2b68cbc11 [2023-11-24 22:15:42,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi/data/9903c98a3/9de2c577bf6f45c3a01aea0317c8bc55 [2023-11-24 22:15:42,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:42,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:42,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:42,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:42,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:42,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:42" (1/1) ... [2023-11-24 22:15:42,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f884bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:42, skipping insertion in model container [2023-11-24 22:15:42,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:42" (1/1) ... [2023-11-24 22:15:42,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:42,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:42,874 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:42,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:42,935 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:42,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:42 WrapperNode [2023-11-24 22:15:42,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:42,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:42,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:42,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:42,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:42" (1/1) ... [2023-11-24 22:15:42,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:42" (1/1) ... [2023-11-24 22:15:43,037 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 195 [2023-11-24 22:15:43,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:43,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:43,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:43,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:43,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:42" (1/1) ... [2023-11-24 22:15:43,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:42" (1/1) ... [2023-11-24 22:15:43,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:42" (1/1) ... [2023-11-24 22:15:43,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:42" (1/1) ... [2023-11-24 22:15:43,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:42" (1/1) ... [2023-11-24 22:15:43,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:42" (1/1) ... [2023-11-24 22:15:43,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:42" (1/1) ... [2023-11-24 22:15:43,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:42" (1/1) ... [2023-11-24 22:15:43,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:43,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:43,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:43,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:43,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:42" (1/1) ... [2023-11-24 22:15:43,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:43,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:43,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:43,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6780be2c-66e0-4257-9928-f5ab6f9edf0f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:43,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:15:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:43,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:15:43,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:15:43,246 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:43,248 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:44,065 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:44,100 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:15:44,100 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:15:44,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:44 BoogieIcfgContainer [2023-11-24 22:15:44,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:15:44,103 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:15:44,103 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:15:44,114 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:15:44,115 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:44" (1/1) ... [2023-11-24 22:15:44,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:15:44,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:44,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 299 states and 311 transitions. [2023-11-24 22:15:44,214 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 311 transitions. [2023-11-24 22:15:44,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:15:44,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:44,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:44,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:44,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:44,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-24 22:15:44,546 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-24 22:15:44,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:15:44,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:44,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:44,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:44,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:44,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-24 22:15:44,644 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-24 22:15:44,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:15:44,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:44,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:44,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 307 states and 322 transitions. [2023-11-24 22:15:44,881 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 322 transitions. [2023-11-24 22:15:44,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:15:44,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:44,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:45,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:45,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 308 states and 323 transitions. [2023-11-24 22:15:45,015 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 323 transitions. [2023-11-24 22:15:45,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:15:45,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:45,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:45,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:45,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 309 states and 324 transitions. [2023-11-24 22:15:45,067 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 324 transitions. [2023-11-24 22:15:45,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:15:45,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:45,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:45,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:45,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 310 states and 325 transitions. [2023-11-24 22:15:45,147 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 325 transitions. [2023-11-24 22:15:45,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:15:45,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:45,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:45,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 311 states and 326 transitions. [2023-11-24 22:15:45,223 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 326 transitions. [2023-11-24 22:15:45,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:15:45,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:45,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:45,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:45,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 313 states and 329 transitions. [2023-11-24 22:15:45,321 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 329 transitions. [2023-11-24 22:15:45,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:15:45,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:45,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:45,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:45,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:45,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 314 states and 330 transitions. [2023-11-24 22:15:45,439 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 330 transitions. [2023-11-24 22:15:45,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:15:45,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:45,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:45,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:45,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:45,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 313 states and 329 transitions. [2023-11-24 22:15:45,475 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 329 transitions. [2023-11-24 22:15:45,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:15:45,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:45,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:45,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:45,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:45,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:45,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 315 states and 331 transitions. [2023-11-24 22:15:45,625 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 331 transitions. [2023-11-24 22:15:45,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:15:45,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:45,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:45,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:45,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:45,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:45,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 314 states and 330 transitions. [2023-11-24 22:15:45,733 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 330 transitions. [2023-11-24 22:15:45,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:15:45,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:45,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:45,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:45,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:45,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:45,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 313 states and 329 transitions. [2023-11-24 22:15:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 329 transitions. [2023-11-24 22:15:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:15:45,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:45,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:45,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:15:45,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:45,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:45,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 312 states and 328 transitions. [2023-11-24 22:15:45,937 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 328 transitions. [2023-11-24 22:15:45,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:15:45,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:45,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:45,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:45,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:46,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:46,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 316 states and 333 transitions. [2023-11-24 22:15:46,331 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 333 transitions. [2023-11-24 22:15:46,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:15:46,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:46,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:46,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:15:46,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:46,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:46,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:46,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 315 states and 332 transitions. [2023-11-24 22:15:46,371 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 332 transitions. [2023-11-24 22:15:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:15:46,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:46,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:46,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:46,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:46,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:46,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 314 states and 331 transitions. [2023-11-24 22:15:46,504 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 331 transitions. [2023-11-24 22:15:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:15:46,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:46,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:46,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:15:46,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:46,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:46,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:46,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 313 states and 330 transitions. [2023-11-24 22:15:46,545 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 330 transitions. [2023-11-24 22:15:46,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:15:46,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:46,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:46,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:46,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:46,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:46,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:46,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 312 states and 329 transitions. [2023-11-24 22:15:46,718 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 329 transitions. [2023-11-24 22:15:46,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:15:46,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:46,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:46,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:46,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:46,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 322 states and 340 transitions. [2023-11-24 22:15:47,082 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 340 transitions. [2023-11-24 22:15:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:15:47,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:47,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:47,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:47,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:47,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:47,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:47,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 323 states and 342 transitions. [2023-11-24 22:15:47,208 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 342 transitions. [2023-11-24 22:15:47,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:15:47,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:47,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:47,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:15:47,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:47,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:15:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:48,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 349 states and 375 transitions. [2023-11-24 22:15:48,039 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 375 transitions. [2023-11-24 22:15:48,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:15:48,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:48,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:48,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:15:48,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:48,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:15:49,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:49,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 376 states and 410 transitions. [2023-11-24 22:15:49,080 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 410 transitions. [2023-11-24 22:15:49,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:15:49,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:49,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:49,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:49,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:15:50,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 404 states and 447 transitions. [2023-11-24 22:15:50,320 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 447 transitions. [2023-11-24 22:15:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:15:50,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:50,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:50,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:50,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:15:51,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:51,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 433 states and 485 transitions. [2023-11-24 22:15:51,815 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 485 transitions. [2023-11-24 22:15:51,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:15:51,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:51,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:51,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:51,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:51,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:15:52,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:52,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 436 states and 490 transitions. [2023-11-24 22:15:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 490 transitions. [2023-11-24 22:15:52,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:15:52,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:52,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:52,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:52,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:52,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:15:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:53,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 439 states and 494 transitions. [2023-11-24 22:15:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 494 transitions. [2023-11-24 22:15:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:15:53,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:53,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:53,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:53,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:15:55,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:55,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 444 states and 502 transitions. [2023-11-24 22:15:55,633 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 502 transitions. [2023-11-24 22:15:55,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:15:55,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:55,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:55,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:55,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:55,761 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:15:56,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:56,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 450 states and 511 transitions. [2023-11-24 22:15:56,805 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 511 transitions. [2023-11-24 22:15:56,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:15:56,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:56,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:56,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:15:56,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:15:58,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 458 states and 520 transitions. [2023-11-24 22:15:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 520 transitions. [2023-11-24 22:15:58,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:15:58,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:58,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:58,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:15:58,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:58,888 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:15:59,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:59,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 462 states and 525 transitions. [2023-11-24 22:15:59,270 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 525 transitions. [2023-11-24 22:15:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:15:59,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:59,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:59,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:59,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:59,486 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:15:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:59,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 464 states and 529 transitions. [2023-11-24 22:15:59,942 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 529 transitions. [2023-11-24 22:15:59,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:15:59,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:59,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:59,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:59,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:01,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 474 states and 541 transitions. [2023-11-24 22:16:01,340 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 541 transitions. [2023-11-24 22:16:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:16:01,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:01,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:01,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:16:01,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:01,802 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:03,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:03,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 478 states and 547 transitions. [2023-11-24 22:16:03,032 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 547 transitions. [2023-11-24 22:16:03,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:16:03,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:03,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:03,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:16:03,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:03,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:04,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:04,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 482 states and 552 transitions. [2023-11-24 22:16:04,278 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 552 transitions. [2023-11-24 22:16:04,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:16:04,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:04,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:04,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:04,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:04,531 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:05,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:05,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 484 states and 556 transitions. [2023-11-24 22:16:05,283 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 556 transitions. [2023-11-24 22:16:05,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:16:05,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:05,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:05,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:05,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:05,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:06,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:06,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 485 states and 558 transitions. [2023-11-24 22:16:06,906 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 558 transitions. [2023-11-24 22:16:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:16:06,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:06,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:06,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:16:06,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:16:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:06,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 484 states and 557 transitions. [2023-11-24 22:16:06,962 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 557 transitions. [2023-11-24 22:16:06,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:16:06,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:06,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:06,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:06,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:11,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:16:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 489 states and 566 transitions. [2023-11-24 22:16:14,564 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 566 transitions. [2023-11-24 22:16:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:16:14,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:14,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:14,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:14,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:16:16,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:16,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 495 states and 576 transitions. [2023-11-24 22:16:16,567 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 576 transitions. [2023-11-24 22:16:16,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:16:16,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:16,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:16,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:16,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:16,948 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:16:19,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:19,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 503 states and 589 transitions. [2023-11-24 22:16:19,791 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 589 transitions. [2023-11-24 22:16:19,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:16:19,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:19,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:19,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:19,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:19,908 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:16:22,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:22,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 512 states and 604 transitions. [2023-11-24 22:16:22,595 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 604 transitions. [2023-11-24 22:16:22,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:16:22,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:22,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:22,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:22,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:22,840 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:16:24,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:24,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 521 states and 617 transitions. [2023-11-24 22:16:24,606 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 617 transitions. [2023-11-24 22:16:24,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:16:24,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:24,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:24,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:24,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:24,712 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:16:26,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:26,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 526 states and 625 transitions. [2023-11-24 22:16:26,253 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 625 transitions. [2023-11-24 22:16:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:16:26,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:26,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:26,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:26,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:26,358 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:16:27,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 532 states and 633 transitions. [2023-11-24 22:16:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 633 transitions. [2023-11-24 22:16:27,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:16:27,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:27,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:27,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:27,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:27,947 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:16:28,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:28,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 536 states and 639 transitions. [2023-11-24 22:16:28,841 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 639 transitions. [2023-11-24 22:16:28,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:16:28,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:28,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:28,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:16:28,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:16:30,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 540 states and 645 transitions. [2023-11-24 22:16:30,104 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 645 transitions. [2023-11-24 22:16:30,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:16:30,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:30,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:30,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:30,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:16:31,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:31,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 541 states and 647 transitions. [2023-11-24 22:16:31,344 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 647 transitions. [2023-11-24 22:16:31,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:16:31,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:31,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:31,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:16:31,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:16:32,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:32,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 543 states and 650 transitions. [2023-11-24 22:16:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 650 transitions. [2023-11-24 22:16:32,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:16:32,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:32,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:32,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:32,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.