./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf7743c-36da-4b2a-a983-9c027d6e7de5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf7743c-36da-4b2a-a983-9c027d6e7de5/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_6bf7743c-36da-4b2a-a983-9c027d6e7de5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf7743c-36da-4b2a-a983-9c027d6e7de5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf7743c-36da-4b2a-a983-9c027d6e7de5/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_6bf7743c-36da-4b2a-a983-9c027d6e7de5/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 58e0ac80b52681cc0cdead13de3f6425618df79dffe8d2a1da55e71c89383d0a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:21,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:21,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf7743c-36da-4b2a-a983-9c027d6e7de5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:09:21,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:09:21,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:09:21,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:21,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:09:21,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:09:21,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:21,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:21,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:21,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:09:21,223 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:09:21,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:09:21,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:09:21,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:21,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:09:21,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:21,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:09:21,228 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:09:21,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:09:21,229 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:09:21,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:09:21,231 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:21,232 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:21,233 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:21,233 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:21,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:21,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:21,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:21,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:21,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:09:21,237 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:09:21,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:09:21,237 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:09:21,238 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_6bf7743c-36da-4b2a-a983-9c027d6e7de5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf7743c-36da-4b2a-a983-9c027d6e7de5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58e0ac80b52681cc0cdead13de3f6425618df79dffe8d2a1da55e71c89383d0a [2023-11-19 03:09:21,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:21,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:21,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:21,606 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:21,606 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:21,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf7743c-36da-4b2a-a983-9c027d6e7de5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c [2023-11-19 03:09:24,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:24,854 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:24,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf7743c-36da-4b2a-a983-9c027d6e7de5/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c [2023-11-19 03:09:24,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf7743c-36da-4b2a-a983-9c027d6e7de5/bin/ukojak-verify-G8NBE6pJGL/data/2abb3a809/2397831b24d84d3bab5c380d2c0fd8aa/FLAG252f2afd1 [2023-11-19 03:09:24,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf7743c-36da-4b2a-a983-9c027d6e7de5/bin/ukojak-verify-G8NBE6pJGL/data/2abb3a809/2397831b24d84d3bab5c380d2c0fd8aa [2023-11-19 03:09:24,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:24,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:24,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:24,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:24,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:24,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:24" (1/1) ... [2023-11-19 03:09:24,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@520721e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:24, skipping insertion in model container [2023-11-19 03:09:24,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:24" (1/1) ... [2023-11-19 03:09:24,919 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:25,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:25,092 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:25,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:25,125 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:25,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25 WrapperNode [2023-11-19 03:09:25,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:25,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:25,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:25,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:25,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,163 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-11-19 03:09:25,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:25,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:25,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:25,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:25,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:25,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:25,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:25,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:25,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:25,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf7743c-36da-4b2a-a983-9c027d6e7de5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:25,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf7743c-36da-4b2a-a983-9c027d6e7de5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:25,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf7743c-36da-4b2a-a983-9c027d6e7de5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:09:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:09:25,268 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:09:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:09:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:25,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:09:25,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:09:25,327 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:25,330 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:25,588 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:25,675 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:25,682 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:09:25,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:25 BoogieIcfgContainer [2023-11-19 03:09:25,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:25,688 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:25,688 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:25,697 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:25,697 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:09:25,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:25,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2023-11-19 03:09:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2023-11-19 03:09:25,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:09:25,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:25,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:25,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:25,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:25,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:26,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:26,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2023-11-19 03:09:26,019 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2023-11-19 03:09:26,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:09:26,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:26,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:26,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:26,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:26,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 62 states and 68 transitions. [2023-11-19 03:09:26,229 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2023-11-19 03:09:26,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:09:26,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:26,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:26,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:26,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:26,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 69 transitions. [2023-11-19 03:09:26,354 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2023-11-19 03:09:26,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:09:26,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:26,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:26,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:26,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:26,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 64 states and 71 transitions. [2023-11-19 03:09:26,591 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2023-11-19 03:09:26,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:09:26,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:26,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:26,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:26,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:26,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:26,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 69 states and 80 transitions. [2023-11-19 03:09:26,864 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2023-11-19 03:09:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:09:26,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:26,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:26,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:26,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:26,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:26,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:26,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 70 states and 81 transitions. [2023-11-19 03:09:26,931 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-11-19 03:09:26,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:09:26,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:26,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:26,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:26,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:27,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 77 states and 93 transitions. [2023-11-19 03:09:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2023-11-19 03:09:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:09:27,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:27,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:27,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:27,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:28,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:28,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 85 states and 107 transitions. [2023-11-19 03:09:28,521 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 107 transitions. [2023-11-19 03:09:28,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:09:28,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:28,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:28,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:09:28,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:29,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:29,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 94 states and 121 transitions. [2023-11-19 03:09:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2023-11-19 03:09:29,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:09:29,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:29,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:29,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:09:29,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:30,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:31,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:31,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 101 states and 131 transitions. [2023-11-19 03:09:31,281 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 131 transitions. [2023-11-19 03:09:31,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:09:31,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:31,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:31,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:31,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:31,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 104 states and 137 transitions. [2023-11-19 03:09:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 137 transitions. [2023-11-19 03:09:31,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:09:31,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:31,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:31,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:31,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:31,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:31,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:31,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 108 states and 145 transitions. [2023-11-19 03:09:31,811 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 145 transitions. [2023-11-19 03:09:31,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:09:31,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:31,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:31,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:31,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:31,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 112 states and 153 transitions. [2023-11-19 03:09:32,239 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 153 transitions. [2023-11-19 03:09:32,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:09:32,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:32,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:32,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:32,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:32,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:32,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 116 states and 162 transitions. [2023-11-19 03:09:32,556 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 162 transitions. [2023-11-19 03:09:32,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:09:32,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:32,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:32,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:32,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:33,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 119 states and 166 transitions. [2023-11-19 03:09:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 166 transitions. [2023-11-19 03:09:33,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:09:33,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:33,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:33,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:33,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:33,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:34,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 123 states and 171 transitions. [2023-11-19 03:09:34,070 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 171 transitions. [2023-11-19 03:09:34,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:09:34,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:34,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:34,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:34,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:34,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:34,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:34,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 122 states and 170 transitions. [2023-11-19 03:09:34,390 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 170 transitions. [2023-11-19 03:09:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:09:34,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:34,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:34,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:34,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:34,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:36,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:36,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 128 states and 184 transitions. [2023-11-19 03:09:36,059 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 184 transitions. [2023-11-19 03:09:36,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:09:36,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:36,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:36,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:36,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:36,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 130 states and 186 transitions. [2023-11-19 03:09:36,810 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2023-11-19 03:09:36,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:09:36,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:36,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:36,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:36,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:37,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:37,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 137 states and 198 transitions. [2023-11-19 03:09:37,864 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2023-11-19 03:09:37,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:09:37,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:37,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:37,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:09:37,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:09:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:41,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 155 states and 226 transitions. [2023-11-19 03:09:41,307 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 226 transitions. [2023-11-19 03:09:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:09:41,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:41,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:41,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:09:41,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:09:41,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 158 states and 231 transitions. [2023-11-19 03:09:41,899 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 231 transitions. [2023-11-19 03:09:41,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:09:41,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:41,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:41,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:41,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:43,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:43,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 164 states and 246 transitions. [2023-11-19 03:09:43,530 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 246 transitions. [2023-11-19 03:09:43,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:09:43,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:43,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:43,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:43,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:44,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:44,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 168 states and 256 transitions. [2023-11-19 03:09:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 256 transitions. [2023-11-19 03:09:44,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:09:44,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:44,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:44,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:09:44,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:44,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:46,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:46,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 188 states and 303 transitions. [2023-11-19 03:09:46,935 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 303 transitions. [2023-11-19 03:09:46,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:09:46,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:46,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:46,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:09:46,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:47,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 192 states and 309 transitions. [2023-11-19 03:09:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 309 transitions. [2023-11-19 03:09:47,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:09:47,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:47,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:47,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:09:47,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:50,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 212 states and 356 transitions. [2023-11-19 03:09:50,451 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 356 transitions. [2023-11-19 03:09:50,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:09:50,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:50,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:50,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:09:50,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:50,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:52,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 219 states and 370 transitions. [2023-11-19 03:09:52,673 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 370 transitions. [2023-11-19 03:09:52,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:09:52,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:52,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:52,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:52,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:55,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 227 states and 388 transitions. [2023-11-19 03:09:55,400 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 388 transitions. [2023-11-19 03:09:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:09:55,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:55,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:55,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:09:55,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:56,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:56,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 229 states and 390 transitions. [2023-11-19 03:09:56,107 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 390 transitions. [2023-11-19 03:09:56,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:09:56,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:56,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:56,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:09:56,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:56,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:57,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:57,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 234 states and 397 transitions. [2023-11-19 03:09:57,549 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 397 transitions. [2023-11-19 03:09:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:09:57,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:57,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:57,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:09:57,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:58,347 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 253 states and 427 transitions. [2023-11-19 03:10:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 427 transitions. [2023-11-19 03:10:03,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:10:03,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:03,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:03,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:10:03,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:04,008 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:09,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:09,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 263 states and 447 transitions. [2023-11-19 03:10:09,588 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 447 transitions. [2023-11-19 03:10:09,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:10:09,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:09,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:09,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:10:09,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:10,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 264 states and 449 transitions. [2023-11-19 03:10:10,455 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 449 transitions. [2023-11-19 03:10:10,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:10:10,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:10,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:10,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:10:10,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:11,058 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:12,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 266 states and 452 transitions. [2023-11-19 03:10:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 452 transitions. [2023-11-19 03:10:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:10:12,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:12,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:12,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:10:12,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:12,818 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 276 states and 474 transitions. [2023-11-19 03:10:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 474 transitions. [2023-11-19 03:10:17,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:10:17,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:17,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:17,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:10:17,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:17,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 277 states and 485 transitions. [2023-11-19 03:10:17,768 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 485 transitions. [2023-11-19 03:10:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:10:17,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:17,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:17,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:10:17,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:17,920 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:18,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:18,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 278 states and 485 transitions. [2023-11-19 03:10:18,088 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 485 transitions. [2023-11-19 03:10:18,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:10:18,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:18,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:18,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:10:18,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:18,132 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.