./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.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_78d9460f-af20-4cb5-81b1-77fab9fb9b28/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d9460f-af20-4cb5-81b1-77fab9fb9b28/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_78d9460f-af20-4cb5-81b1-77fab9fb9b28/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d9460f-af20-4cb5-81b1-77fab9fb9b28/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d9460f-af20-4cb5-81b1-77fab9fb9b28/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_78d9460f-af20-4cb5-81b1-77fab9fb9b28/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 1619c1c02ba7c9b660af32e6427e3b3d5cd6ca3ff286b9db386918ae0c8b508c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:41:03,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:41:03,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d9460f-af20-4cb5-81b1-77fab9fb9b28/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:41:03,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:41:03,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:41:04,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:41:04,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:41:04,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:41:04,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:41:04,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:41:04,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:41:04,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:41:04,019 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:41:04,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:41:04,020 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:41:04,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:41:04,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:41:04,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:41:04,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:41:04,023 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:41:04,023 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:41:04,024 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:41:04,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:41:04,025 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:41:04,025 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:41:04,026 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:41:04,026 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:41:04,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:41:04,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:41:04,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:41:04,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:41:04,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:41:04,029 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:41:04,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:41:04,030 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:41:04,030 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_78d9460f-af20-4cb5-81b1-77fab9fb9b28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d9460f-af20-4cb5-81b1-77fab9fb9b28/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1619c1c02ba7c9b660af32e6427e3b3d5cd6ca3ff286b9db386918ae0c8b508c [2023-11-19 02:41:04,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:41:04,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:41:04,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:41:04,315 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:41:04,316 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:41:04,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d9460f-af20-4cb5-81b1-77fab9fb9b28/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2023-11-19 02:41:07,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:41:07,661 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:41:07,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d9460f-af20-4cb5-81b1-77fab9fb9b28/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2023-11-19 02:41:07,669 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d9460f-af20-4cb5-81b1-77fab9fb9b28/bin/ukojak-verify-G8NBE6pJGL/data/f3b6b0f22/aeec7c3ed8d74162ae64cd025074a43b/FLAGd52145dfb [2023-11-19 02:41:07,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d9460f-af20-4cb5-81b1-77fab9fb9b28/bin/ukojak-verify-G8NBE6pJGL/data/f3b6b0f22/aeec7c3ed8d74162ae64cd025074a43b [2023-11-19 02:41:07,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:41:07,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:41:07,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:41:07,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:41:07,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:41:07,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:07" (1/1) ... [2023-11-19 02:41:07,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c1e0a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:07, skipping insertion in model container [2023-11-19 02:41:07,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:07" (1/1) ... [2023-11-19 02:41:07,718 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:41:07,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:41:07,923 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:41:07,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:41:07,957 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:41:07,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:07 WrapperNode [2023-11-19 02:41:07,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:41:07,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:41:07,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:41:07,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:41:07,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:07" (1/1) ... [2023-11-19 02:41:07,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:07" (1/1) ... [2023-11-19 02:41:07,996 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-19 02:41:07,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:41:07,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:41:07,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:41:07,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:41:08,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:07" (1/1) ... [2023-11-19 02:41:08,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:07" (1/1) ... [2023-11-19 02:41:08,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:07" (1/1) ... [2023-11-19 02:41:08,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:07" (1/1) ... [2023-11-19 02:41:08,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:07" (1/1) ... [2023-11-19 02:41:08,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:07" (1/1) ... [2023-11-19 02:41:08,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:07" (1/1) ... [2023-11-19 02:41:08,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:07" (1/1) ... [2023-11-19 02:41:08,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:41:08,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:41:08,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:41:08,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:41:08,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:07" (1/1) ... [2023-11-19 02:41:08,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:41:08,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d9460f-af20-4cb5-81b1-77fab9fb9b28/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:41:08,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d9460f-af20-4cb5-81b1-77fab9fb9b28/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:41:08,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d9460f-af20-4cb5-81b1-77fab9fb9b28/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:41:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:41:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:41:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:41:08,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:41:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:41:08,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:41:08,159 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:41:08,161 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:41:08,531 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:41:08,583 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:41:08,583 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:41:08,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:08 BoogieIcfgContainer [2023-11-19 02:41:08,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:41:08,591 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:41:08,591 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:41:08,602 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:41:08,602 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:08" (1/1) ... [2023-11-19 02:41:08,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:41:08,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:08,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-19 02:41:08,677 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-19 02:41:08,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:41:08,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:08,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:08,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:08,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:08,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:08,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-19 02:41:08,970 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-19 02:41:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:41:08,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:08,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:09,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:41:09,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:09,074 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 02:41:09,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-19 02:41:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-19 02:41:09,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:41:09,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:09,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:09,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:41:09,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:09,187 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 02:41:09,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:09,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 70 states and 80 transitions. [2023-11-19 02:41:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2023-11-19 02:41:09,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:41:09,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:09,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:09,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:09,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:41:09,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 86 transitions. [2023-11-19 02:41:09,490 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-19 02:41:09,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:41:09,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:09,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:09,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:09,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:09,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:41:09,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:09,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 96 transitions. [2023-11-19 02:41:09,826 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-19 02:41:09,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:41:09,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:09,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:09,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:09,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:09,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:41:10,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:10,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 104 transitions. [2023-11-19 02:41:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2023-11-19 02:41:10,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:41:10,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:10,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:10,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:10,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:41:10,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:10,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 105 transitions. [2023-11-19 02:41:10,333 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2023-11-19 02:41:10,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:41:10,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:10,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:10,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:41:10,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:41:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:10,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 116 transitions. [2023-11-19 02:41:10,725 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2023-11-19 02:41:10,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:41:10,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:10,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:10,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:41:10,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:10,828 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:41:11,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:11,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 129 transitions. [2023-11-19 02:41:11,319 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2023-11-19 02:41:11,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:41:11,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:11,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:11,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:41:11,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:41:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 141 transitions. [2023-11-19 02:41:11,887 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-19 02:41:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:41:11,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:11,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:11,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:41:11,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:12,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:41:12,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:12,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 157 transitions. [2023-11-19 02:41:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2023-11-19 02:41:12,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:41:12,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:12,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:12,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:41:12,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:12,879 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:41:13,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 113 states and 171 transitions. [2023-11-19 02:41:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2023-11-19 02:41:13,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:41:13,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:13,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:13,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:41:13,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:41:14,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:14,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 186 transitions. [2023-11-19 02:41:14,421 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 186 transitions. [2023-11-19 02:41:14,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:41:14,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:14,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:14,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:41:14,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:14,614 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:41:15,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 200 transitions. [2023-11-19 02:41:15,402 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 200 transitions. [2023-11-19 02:41:15,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:41:15,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:15,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:15,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:41:15,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:15,620 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:41:16,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:16,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 213 transitions. [2023-11-19 02:41:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2023-11-19 02:41:16,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:41:16,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:16,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:16,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:16,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:16,103 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:41:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 142 states and 226 transitions. [2023-11-19 02:41:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 226 transitions. [2023-11-19 02:41:17,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:41:17,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:17,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:17,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:17,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:17,449 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:41:18,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:18,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 152 states and 242 transitions. [2023-11-19 02:41:18,534 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 242 transitions. [2023-11-19 02:41:18,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:41:18,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:18,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:18,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:18,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:41:18,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:18,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 153 states and 243 transitions. [2023-11-19 02:41:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 243 transitions. [2023-11-19 02:41:18,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:41:18,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:18,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:18,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:41:18,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:41:19,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:19,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 162 states and 256 transitions. [2023-11-19 02:41:19,600 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2023-11-19 02:41:19,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:41:19,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:19,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:19,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:41:19,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:19,684 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 02:41:20,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:20,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 170 states and 267 transitions. [2023-11-19 02:41:20,176 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 267 transitions. [2023-11-19 02:41:20,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:41:20,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:20,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:20,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:41:20,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:41:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 184 states and 288 transitions. [2023-11-19 02:41:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 288 transitions. [2023-11-19 02:41:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:41:21,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:21,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:21,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:21,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:21,970 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-19 02:41:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:22,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 193 states and 300 transitions. [2023-11-19 02:41:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 300 transitions. [2023-11-19 02:41:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:41:22,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:22,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:22,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:41:22,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:22,686 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 02:41:23,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:23,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 204 states and 327 transitions. [2023-11-19 02:41:23,681 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 327 transitions. [2023-11-19 02:41:23,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:41:23,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:23,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:23,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:23,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:23,779 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 02:41:24,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 209 states and 337 transitions. [2023-11-19 02:41:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 337 transitions. [2023-11-19 02:41:24,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:41:24,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:24,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:24,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:41:24,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:24,640 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 02:41:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:25,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 211 states and 342 transitions. [2023-11-19 02:41:25,819 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 342 transitions. [2023-11-19 02:41:25,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:41:25,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:25,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:25,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:25,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:25,941 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 02:41:26,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:26,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 217 states and 356 transitions. [2023-11-19 02:41:26,646 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 356 transitions. [2023-11-19 02:41:26,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:41:26,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:26,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:26,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:41:26,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:26,846 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-19 02:41:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:29,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 224 states and 372 transitions. [2023-11-19 02:41:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 372 transitions. [2023-11-19 02:41:29,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:41:29,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:29,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:29,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:41:29,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 02:41:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 229 states and 385 transitions. [2023-11-19 02:41:29,956 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 385 transitions. [2023-11-19 02:41:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:41:29,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:29,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:29,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:41:29,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:30,011 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-19 02:41:30,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:30,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 234 states and 399 transitions. [2023-11-19 02:41:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 399 transitions. [2023-11-19 02:41:30,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:41:30,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:30,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:30,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:41:30,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:31,177 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 02:41:31,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:31,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 240 states and 409 transitions. [2023-11-19 02:41:31,986 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 409 transitions. [2023-11-19 02:41:31,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:41:31,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:31,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:32,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:41:32,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 02:41:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:32,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 245 states and 422 transitions. [2023-11-19 02:41:32,745 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 422 transitions. [2023-11-19 02:41:32,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:41:32,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:32,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:32,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:41:32,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:32,836 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 02:41:34,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:34,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 256 states and 443 transitions. [2023-11-19 02:41:34,584 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 443 transitions. [2023-11-19 02:41:34,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:41:34,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:34,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:34,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:41:34,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:35,864 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 02:41:37,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:37,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 268 states and 465 transitions. [2023-11-19 02:41:37,950 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 465 transitions. [2023-11-19 02:41:37,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:41:37,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:37,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:37,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:37,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:38,038 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 02:41:38,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 273 states and 473 transitions. [2023-11-19 02:41:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 473 transitions. [2023-11-19 02:41:38,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:41:38,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:38,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:38,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:38,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:39,050 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 02:41:40,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 281 states and 487 transitions. [2023-11-19 02:41:40,180 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 487 transitions. [2023-11-19 02:41:40,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:41:40,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:40,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:40,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:41:40,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:40,341 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 02:41:41,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:41,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 288 states and 497 transitions. [2023-11-19 02:41:41,063 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 497 transitions. [2023-11-19 02:41:41,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:41:41,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:41,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:41,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:41:41,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:42,756 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 02:41:44,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 302 states and 521 transitions. [2023-11-19 02:41:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 521 transitions. [2023-11-19 02:41:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:41:44,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:44,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:44,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:44,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-19 02:41:45,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:45,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 311 states and 532 transitions. [2023-11-19 02:41:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 532 transitions. [2023-11-19 02:41:45,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:41:45,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:45,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:45,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:41:45,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:45,718 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 02:41:46,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:46,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 322 states and 564 transitions. [2023-11-19 02:41:46,954 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 564 transitions. [2023-11-19 02:41:46,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:41:46,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:46,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:46,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:41:46,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:47,141 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 02:41:48,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:48,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 326 states and 577 transitions. [2023-11-19 02:41:48,364 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 577 transitions. [2023-11-19 02:41:48,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:41:48,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:48,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:48,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:41:48,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:48,525 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-19 02:41:48,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:48,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 325 states and 576 transitions. [2023-11-19 02:41:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 576 transitions. [2023-11-19 02:41:48,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:41:48,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:48,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:48,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:41:48,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:49,478 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 02:41:51,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 327 states and 583 transitions. [2023-11-19 02:41:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 583 transitions. [2023-11-19 02:41:51,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:41:51,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:51,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:51,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:41:51,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:51,651 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 02:41:52,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:52,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 333 states and 598 transitions. [2023-11-19 02:41:52,658 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 598 transitions. [2023-11-19 02:41:52,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:41:52,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:52,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:52,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:41:52,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:52,862 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-19 02:41:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:54,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 340 states and 611 transitions. [2023-11-19 02:41:54,127 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 611 transitions. [2023-11-19 02:41:54,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:41:54,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:54,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:54,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:41:54,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 02:41:58,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:58,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 352 states and 631 transitions. [2023-11-19 02:41:58,403 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 631 transitions. [2023-11-19 02:41:58,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:41:58,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:58,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:58,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:41:58,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-19 02:42:00,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:00,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 360 states and 646 transitions. [2023-11-19 02:42:00,658 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 646 transitions. [2023-11-19 02:42:00,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:42:00,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:00,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:00,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:42:00,705 INFO L285 TraceCheckSpWp]: Computing forward predicates...