./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.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_89e19a57-0dcb-4bbc-895a-2046bd33188c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e19a57-0dcb-4bbc-895a-2046bd33188c/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_89e19a57-0dcb-4bbc-895a-2046bd33188c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e19a57-0dcb-4bbc-895a-2046bd33188c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e19a57-0dcb-4bbc-895a-2046bd33188c/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_89e19a57-0dcb-4bbc-895a-2046bd33188c/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 f78eb3bd6243e56025d38ea44716c81630a57505e69e1c5e81a8ab68f6ac9a28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:10:09,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:10:09,159 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e19a57-0dcb-4bbc-895a-2046bd33188c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:10:09,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:10:09,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:10:09,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:10:09,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:10:09,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:10:09,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:10:09,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:10:09,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:10:09,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:10:09,216 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:10:09,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:10:09,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:10:09,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:10:09,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:10:09,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:10:09,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:10:09,220 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:10:09,220 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:10:09,228 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:10:09,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:10:09,242 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:10:09,243 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:10:09,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:10:09,244 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:10:09,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:10:09,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:09,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:10:09,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:10:09,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:10:09,248 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:10:09,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:10:09,249 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:10:09,249 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_89e19a57-0dcb-4bbc-895a-2046bd33188c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e19a57-0dcb-4bbc-895a-2046bd33188c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f78eb3bd6243e56025d38ea44716c81630a57505e69e1c5e81a8ab68f6ac9a28 [2023-11-19 03:10:09,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:10:09,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:10:09,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:10:09,603 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:10:09,604 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:10:09,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e19a57-0dcb-4bbc-895a-2046bd33188c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.c [2023-11-19 03:10:12,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:10:12,961 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:10:12,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e19a57-0dcb-4bbc-895a-2046bd33188c/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.c [2023-11-19 03:10:12,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e19a57-0dcb-4bbc-895a-2046bd33188c/bin/ukojak-verify-G8NBE6pJGL/data/353e6fea6/15cb20c168d74d88af979f4371982719/FLAGf9b8c63e6 [2023-11-19 03:10:12,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e19a57-0dcb-4bbc-895a-2046bd33188c/bin/ukojak-verify-G8NBE6pJGL/data/353e6fea6/15cb20c168d74d88af979f4371982719 [2023-11-19 03:10:12,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:10:12,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:10:12,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:12,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:10:12,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:10:12,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:12" (1/1) ... [2023-11-19 03:10:12,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e48177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:12, skipping insertion in model container [2023-11-19 03:10:12,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:12" (1/1) ... [2023-11-19 03:10:13,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:10:13,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:13,187 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:10:13,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:13,216 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:10:13,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13 WrapperNode [2023-11-19 03:10:13,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:13,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:13,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:10:13,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:10:13,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:13,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:13,253 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-19 03:10:13,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:13,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:10:13,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:10:13,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:10:13,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:13,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:13,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:13,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:13,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:13,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:13,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:13,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:13,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:10:13,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:10:13,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:10:13,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:10:13,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:13,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:13,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e19a57-0dcb-4bbc-895a-2046bd33188c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:10:13,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e19a57-0dcb-4bbc-895a-2046bd33188c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:10:13,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e19a57-0dcb-4bbc-895a-2046bd33188c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:10:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:10:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:10:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:10:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:10:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:10:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:10:13,487 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:10:13,490 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:10:13,655 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:10:13,698 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:10:13,698 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:10:13,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:13 BoogieIcfgContainer [2023-11-19 03:10:13,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:10:13,704 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:10:13,704 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:10:13,714 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:10:13,714 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:13" (1/1) ... [2023-11-19 03:10:13,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:10:13,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-19 03:10:13,800 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-19 03:10:13,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:10:13,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:13,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:13,926 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 03:10:13,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:13,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-11-19 03:10:13,942 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-19 03:10:13,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:10:13,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:13,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:14,033 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 03:10:14,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:14,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-19 03:10:14,072 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-19 03:10:14,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:10:14,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:14,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:14,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:14,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:14,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-11-19 03:10:14,146 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-19 03:10:14,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:10:14,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:14,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:14,168 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 03:10:14,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:14,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-19 03:10:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-19 03:10:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:10:14,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:14,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:14,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:10:14,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:14,256 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 03:10:14,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:14,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-19 03:10:14,448 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-19 03:10:14,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:10:14,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:14,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:14,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:10:14,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:14,539 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 03:10:14,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:14,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-19 03:10:14,643 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-19 03:10:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:10:14,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:14,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:14,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:10:14,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:14,714 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 03:10:14,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:14,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-19 03:10:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-19 03:10:14,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:10:14,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:14,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:14,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:10:14,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:14,833 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 03:10:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 50 transitions. [2023-11-19 03:10:14,990 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-19 03:10:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:10:14,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:14,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:15,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:10:15,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:15,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:15,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:15,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 57 transitions. [2023-11-19 03:10:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-19 03:10:15,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:10:15,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:15,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:15,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:10:15,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:15,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:15,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 78 transitions. [2023-11-19 03:10:15,837 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-11-19 03:10:15,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:10:15,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:15,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:15,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:10:15,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:15,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 100 transitions. [2023-11-19 03:10:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-19 03:10:16,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:10:16,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:16,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:16,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:10:16,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:17,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:17,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 111 transitions. [2023-11-19 03:10:17,480 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-19 03:10:17,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:10:17,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:17,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:17,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:10:17,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:17,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:17,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:17,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 124 transitions. [2023-11-19 03:10:17,858 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2023-11-19 03:10:17,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:10:17,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:17,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:17,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:10:17,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:18,054 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:18,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:18,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 84 states and 135 transitions. [2023-11-19 03:10:18,522 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2023-11-19 03:10:18,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:10:18,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:18,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:18,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:10:18,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:18,701 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:19,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 94 states and 152 transitions. [2023-11-19 03:10:19,148 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 152 transitions. [2023-11-19 03:10:19,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:10:19,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:19,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:19,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:10:19,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:19,268 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:19,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:19,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 100 states and 163 transitions. [2023-11-19 03:10:19,989 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 163 transitions. [2023-11-19 03:10:19,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:10:19,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:19,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:20,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:10:20,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:20,076 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 103 states and 165 transitions. [2023-11-19 03:10:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2023-11-19 03:10:20,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:10:20,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:20,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:20,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:10:20,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:10:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:20,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 107 states and 179 transitions. [2023-11-19 03:10:20,933 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 179 transitions. [2023-11-19 03:10:20,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:10:20,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:20,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:20,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:10:20,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:21,190 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:21,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:21,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 114 states and 190 transitions. [2023-11-19 03:10:21,560 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 190 transitions. [2023-11-19 03:10:21,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:10:21,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:21,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:21,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:10:21,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:21,686 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:22,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:22,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 117 states and 192 transitions. [2023-11-19 03:10:22,349 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 192 transitions. [2023-11-19 03:10:22,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:10:22,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:22,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:22,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:10:22,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:22,559 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:23,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:23,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 129 states and 222 transitions. [2023-11-19 03:10:23,236 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 222 transitions. [2023-11-19 03:10:23,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:10:23,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:23,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:23,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:10:23,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:10:24,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:24,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 135 states and 234 transitions. [2023-11-19 03:10:24,301 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 234 transitions. [2023-11-19 03:10:24,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:10:24,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:24,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:24,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:10:24,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:24,383 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:10:24,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:24,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 138 states and 236 transitions. [2023-11-19 03:10:24,846 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 236 transitions. [2023-11-19 03:10:24,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:10:24,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:24,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:24,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:10:24,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:24,940 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:10:25,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:25,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 141 states and 238 transitions. [2023-11-19 03:10:25,437 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 238 transitions. [2023-11-19 03:10:25,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:10:25,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:25,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:25,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:10:25,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:25,621 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:10:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 145 states and 255 transitions. [2023-11-19 03:10:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 255 transitions. [2023-11-19 03:10:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:10:26,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:26,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:26,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:10:26,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:26,354 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:26,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 152 states and 266 transitions. [2023-11-19 03:10:26,862 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 266 transitions. [2023-11-19 03:10:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:10:26,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:26,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:26,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:10:26,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:27,598 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:29,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:29,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 164 states and 300 transitions. [2023-11-19 03:10:29,219 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 300 transitions. [2023-11-19 03:10:29,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:10:29,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:29,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:29,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:10:29,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:29,765 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:32,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:32,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 199 states and 357 transitions. [2023-11-19 03:10:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 357 transitions. [2023-11-19 03:10:32,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:10:32,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:32,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:32,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:10:32,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:32,526 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:33,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:33,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 209 states and 378 transitions. [2023-11-19 03:10:33,308 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 378 transitions. [2023-11-19 03:10:33,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:10:33,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:33,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:33,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:10:33,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:33,487 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:10:34,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:34,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 215 states and 390 transitions. [2023-11-19 03:10:34,277 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 390 transitions. [2023-11-19 03:10:34,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:10:34,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:34,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:34,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:10:34,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:34,388 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:10:35,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:35,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 218 states and 394 transitions. [2023-11-19 03:10:35,365 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 394 transitions. [2023-11-19 03:10:35,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:10:35,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:35,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:35,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:10:35,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:10:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:36,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 221 states and 396 transitions. [2023-11-19 03:10:36,074 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 396 transitions. [2023-11-19 03:10:36,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:10:36,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:36,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:36,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:10:36,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:10:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 223 states and 397 transitions. [2023-11-19 03:10:36,882 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 397 transitions. [2023-11-19 03:10:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:10:36,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:36,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:36,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:10:36,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:36,986 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:10:37,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:37,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 226 states and 399 transitions. [2023-11-19 03:10:37,648 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 399 transitions. [2023-11-19 03:10:37,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:10:37,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:37,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:37,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:10:37,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:37,751 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:10:38,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:38,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 229 states and 401 transitions. [2023-11-19 03:10:38,421 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 401 transitions. [2023-11-19 03:10:38,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:10:38,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:38,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:38,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:10:38,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:10:39,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:39,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 233 states and 424 transitions. [2023-11-19 03:10:39,204 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 424 transitions. [2023-11-19 03:10:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:10:39,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:39,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:39,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:10:39,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:41,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 243 states and 437 transitions. [2023-11-19 03:10:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 437 transitions. [2023-11-19 03:10:41,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:10:41,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:41,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:41,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:10:41,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:41,472 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:42,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 246 states and 439 transitions. [2023-11-19 03:10:42,506 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 439 transitions. [2023-11-19 03:10:42,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:10:42,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:42,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:42,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:10:42,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:43,176 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:45,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 261 states and 467 transitions. [2023-11-19 03:10:45,592 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 467 transitions. [2023-11-19 03:10:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:10:45,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:45,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:45,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:10:45,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:45,821 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:10:47,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:47,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 267 states and 481 transitions. [2023-11-19 03:10:47,394 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 481 transitions. [2023-11-19 03:10:47,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:10:47,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:47,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:47,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:10:47,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:10:48,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 271 states and 506 transitions. [2023-11-19 03:10:48,301 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 506 transitions. [2023-11-19 03:10:48,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:10:48,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:48,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:48,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:10:48,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:48,929 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:50,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:50,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 281 states and 519 transitions. [2023-11-19 03:10:50,742 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 519 transitions. [2023-11-19 03:10:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:10:50,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:50,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:50,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:10:50,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:51,475 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 18 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:53,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 293 states and 562 transitions. [2023-11-19 03:10:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 562 transitions. [2023-11-19 03:10:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:10:53,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:53,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:53,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:10:53,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:53,529 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:10:54,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:54,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 299 states and 575 transitions. [2023-11-19 03:10:54,941 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 575 transitions. [2023-11-19 03:10:54,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:10:54,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:54,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:54,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:10:54,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:55,094 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:10:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:56,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 302 states and 577 transitions. [2023-11-19 03:10:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 577 transitions. [2023-11-19 03:10:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:10:56,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:56,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:56,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:10:56,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:56,160 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:10:57,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:57,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 305 states and 579 transitions. [2023-11-19 03:10:57,120 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 579 transitions. [2023-11-19 03:10:57,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:10:57,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:57,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:57,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:10:57,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:10:58,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:58,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 308 states and 581 transitions. [2023-11-19 03:10:58,186 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 581 transitions. [2023-11-19 03:10:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:10:58,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:58,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:58,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:10:58,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:58,322 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:10:59,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:59,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 311 states and 585 transitions. [2023-11-19 03:10:59,916 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 585 transitions. [2023-11-19 03:10:59,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 03:10:59,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:59,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:59,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:10:59,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:00,235 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:11:01,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 315 states and 613 transitions. [2023-11-19 03:11:01,011 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 613 transitions. [2023-11-19 03:11:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 03:11:01,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:01,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:01,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:11:01,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:01,971 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:04,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 325 states and 626 transitions. [2023-11-19 03:11:04,583 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 626 transitions. [2023-11-19 03:11:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-19 03:11:04,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:04,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:04,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:11:04,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:05,709 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.