./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 76fd23ddcb7e8fff12decb053b84ed59e907e32bdbc4e822256bdb820e1311ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:04,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:04,733 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:03:04,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:03:04,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:03:04,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:04,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:04,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:04,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:04,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:04,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:04,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:04,803 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:04,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:04,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:04,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:04,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:04,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:04,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:04,809 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:03:04,809 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:03:04,810 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:04,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:04,811 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:04,812 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:04,814 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:04,814 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:04,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:04,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:04,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:04,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:04,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:04,819 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:03:04,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:03:04,819 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:04,820 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_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76fd23ddcb7e8fff12decb053b84ed59e907e32bdbc4e822256bdb820e1311ef [2023-11-19 03:03:05,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:05,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:05,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:05,258 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:05,259 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:05,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound10.c [2023-11-19 03:03:08,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:08,823 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:08,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound10.c [2023-11-19 03:03:08,838 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL/data/7c675c0b5/88fca4d8a91941c087e91fcd9aef14cd/FLAG67765ea46 [2023-11-19 03:03:08,859 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL/data/7c675c0b5/88fca4d8a91941c087e91fcd9aef14cd [2023-11-19 03:03:08,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:08,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:08,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:08,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:08,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:08,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:08" (1/1) ... [2023-11-19 03:03:08,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345deccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08, skipping insertion in model container [2023-11-19 03:03:08,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:08" (1/1) ... [2023-11-19 03:03:08,918 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:09,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:09,151 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:09,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:09,197 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:09,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:09 WrapperNode [2023-11-19 03:03:09,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:09,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:09,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:09,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:09,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:09" (1/1) ... [2023-11-19 03:03:09,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:09" (1/1) ... [2023-11-19 03:03:09,251 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2023-11-19 03:03:09,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:09,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:09,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:09,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:09,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:09" (1/1) ... [2023-11-19 03:03:09,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:09" (1/1) ... [2023-11-19 03:03:09,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:09" (1/1) ... [2023-11-19 03:03:09,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:09" (1/1) ... [2023-11-19 03:03:09,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:09" (1/1) ... [2023-11-19 03:03:09,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:09" (1/1) ... [2023-11-19 03:03:09,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:09" (1/1) ... [2023-11-19 03:03:09,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:09" (1/1) ... [2023-11-19 03:03:09,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:09,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:09,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:09,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:09,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:09" (1/1) ... [2023-11-19 03:03:09,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:09,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:09,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:09,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae207df6-0752-4427-be5d-af55856b407a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:09,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:09,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:03:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:03:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:03:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:03:09,460 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:09,463 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:10,064 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:10,101 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:10,101 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:03:10,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:10 BoogieIcfgContainer [2023-11-19 03:03:10,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:10,109 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:10,109 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:10,121 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:10,121 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:10" (1/1) ... [2023-11-19 03:03:10,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:10,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:10,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 137 states and 150 transitions. [2023-11-19 03:03:10,196 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2023-11-19 03:03:10,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:03:10,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:10,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:10,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:03:10,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:10,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:10,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 137 states and 149 transitions. [2023-11-19 03:03:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 149 transitions. [2023-11-19 03:03:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:03:10,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:10,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:10,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 139 states and 152 transitions. [2023-11-19 03:03:10,681 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-19 03:03:10,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:03:10,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:10,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:10,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:10,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 140 states and 153 transitions. [2023-11-19 03:03:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-19 03:03:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:03:10,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:10,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:10,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:10,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:10,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:11,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:11,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 141 states and 155 transitions. [2023-11-19 03:03:11,077 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 155 transitions. [2023-11-19 03:03:11,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:03:11,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:11,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:11,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:11,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:11,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:11,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:11,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 147 states and 166 transitions. [2023-11-19 03:03:11,635 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 166 transitions. [2023-11-19 03:03:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:03:11,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:11,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:11,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:11,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:11,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:12,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:12,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 154 states and 179 transitions. [2023-11-19 03:03:12,499 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 179 transitions. [2023-11-19 03:03:12,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:03:12,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:12,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:12,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:13,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:13,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 158 states and 188 transitions. [2023-11-19 03:03:13,061 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2023-11-19 03:03:13,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:03:13,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:13,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:13,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:13,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:13,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:14,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:14,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 166 states and 204 transitions. [2023-11-19 03:03:14,354 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 204 transitions. [2023-11-19 03:03:14,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:03:14,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:14,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:15,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:15,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 170 states and 215 transitions. [2023-11-19 03:03:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 215 transitions. [2023-11-19 03:03:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:03:15,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:15,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:15,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:15,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:15,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:15,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 171 states and 216 transitions. [2023-11-19 03:03:15,488 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 216 transitions. [2023-11-19 03:03:15,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:03:15,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:15,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:15,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:15,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:15,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:16,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:16,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 174 states and 220 transitions. [2023-11-19 03:03:16,048 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 220 transitions. [2023-11-19 03:03:16,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:03:16,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:16,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:16,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:16,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:16,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:16,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 175 states and 221 transitions. [2023-11-19 03:03:16,798 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 221 transitions. [2023-11-19 03:03:16,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:03:16,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:16,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:16,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:03:16,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:16,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:16,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 176 states and 222 transitions. [2023-11-19 03:03:16,913 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 222 transitions. [2023-11-19 03:03:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:03:16,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:16,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:16,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:16,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:17,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:19,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:19,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 188 states and 244 transitions. [2023-11-19 03:03:19,125 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2023-11-19 03:03:19,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:03:19,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:19,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:19,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:19,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:19,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:19,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 195 states and 258 transitions. [2023-11-19 03:03:19,804 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 258 transitions. [2023-11-19 03:03:19,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:03:19,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:19,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:19,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:20,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:20,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 200 states and 266 transitions. [2023-11-19 03:03:20,645 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 266 transitions. [2023-11-19 03:03:20,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:03:20,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:20,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:20,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:20,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:20,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 201 states and 267 transitions. [2023-11-19 03:03:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 267 transitions. [2023-11-19 03:03:20,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:03:20,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:20,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:20,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:20,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:20,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:20,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 202 states and 268 transitions. [2023-11-19 03:03:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 268 transitions. [2023-11-19 03:03:20,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:03:20,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:20,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:20,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:21,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:21,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 206 states and 276 transitions. [2023-11-19 03:03:21,775 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 276 transitions. [2023-11-19 03:03:21,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:03:21,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:21,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:21,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:03:21,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:22,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:22,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 209 states and 279 transitions. [2023-11-19 03:03:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 279 transitions. [2023-11-19 03:03:22,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:03:22,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:22,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:22,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:22,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:24,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:24,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 218 states and 296 transitions. [2023-11-19 03:03:24,851 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 296 transitions. [2023-11-19 03:03:24,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:03:24,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:24,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:24,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:03:24,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:25,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:25,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 219 states and 297 transitions. [2023-11-19 03:03:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 297 transitions. [2023-11-19 03:03:25,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:03:25,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:25,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:25,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:03:25,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:28,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:28,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 229 states and 315 transitions. [2023-11-19 03:03:28,065 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 315 transitions. [2023-11-19 03:03:28,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:03:28,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:28,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:28,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 230 states and 316 transitions. [2023-11-19 03:03:28,152 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 316 transitions. [2023-11-19 03:03:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:03:28,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:28,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:28,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:28,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:28,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:30,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:30,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 240 states and 337 transitions. [2023-11-19 03:03:30,434 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 337 transitions. [2023-11-19 03:03:30,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:03:30,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:30,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:30,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:30,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:34,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:34,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 256 states and 363 transitions. [2023-11-19 03:03:34,716 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 363 transitions. [2023-11-19 03:03:34,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:03:34,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:34,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:34,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:34,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 267 states and 383 transitions. [2023-11-19 03:03:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 383 transitions. [2023-11-19 03:03:37,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:03:37,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:37,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:37,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:37,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:37,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:37,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:37,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 268 states and 384 transitions. [2023-11-19 03:03:37,715 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 384 transitions. [2023-11-19 03:03:37,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:03:37,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:37,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:37,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:03:37,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:38,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 285 states and 412 transitions. [2023-11-19 03:03:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 412 transitions. [2023-11-19 03:03:43,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:03:43,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:43,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:43,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:43,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:43,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:43,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:43,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 286 states and 413 transitions. [2023-11-19 03:03:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 413 transitions. [2023-11-19 03:03:43,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:03:43,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:43,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:43,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:43,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:43,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:47,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:47,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 298 states and 434 transitions. [2023-11-19 03:03:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 434 transitions. [2023-11-19 03:03:47,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:47,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:47,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:47,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:03:47,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:48,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:50,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 310 states and 448 transitions. [2023-11-19 03:03:50,938 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 448 transitions. [2023-11-19 03:03:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:50,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:50,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:50,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:50,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:54,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 318 states and 463 transitions. [2023-11-19 03:03:54,089 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 463 transitions. [2023-11-19 03:03:54,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:54,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:54,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:54,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:54,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:54,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:03:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:58,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 331 states and 486 transitions. [2023-11-19 03:03:58,427 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 486 transitions. [2023-11-19 03:03:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:03:58,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:58,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:58,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:03:58,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:59,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.