./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/init-4-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/init-4-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2 --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 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:20,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:20,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:40:20,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:40:20,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:40:20,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:20,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:40:20,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:40:20,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:20,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:20,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:20,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:40:20,184 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:40:20,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:40:20,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:40:20,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:20,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:40:20,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:20,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:40:20,189 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:40:20,189 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:20,190 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:40:20,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:40:20,191 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:20,192 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:20,192 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:20,193 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:20,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:20,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:20,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:20,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:20,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:40:20,196 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:40:20,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:40:20,197 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:40:20,197 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_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 [2023-11-21 18:40:20,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:20,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:20,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:20,497 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:20,498 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:20,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2023-11-21 18:40:23,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:23,844 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:23,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2023-11-21 18:40:23,852 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2/data/c2c5122b6/d0abb5c97637445bbe56d42fe216d086/FLAG538bf6d3e [2023-11-21 18:40:23,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2/data/c2c5122b6/d0abb5c97637445bbe56d42fe216d086 [2023-11-21 18:40:23,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:23,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:23,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:23,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:23,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:23,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:23" (1/1) ... [2023-11-21 18:40:23,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ca60db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:23, skipping insertion in model container [2023-11-21 18:40:23,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:23" (1/1) ... [2023-11-21 18:40:23,906 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:24,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:24,081 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:24,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:24,121 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:24,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24 WrapperNode [2023-11-21 18:40:24,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:24,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:24,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:24,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:24,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,183 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2023-11-21 18:40:24,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:24,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:24,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:24,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:24,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:24,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:24,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:24,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:24,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:24,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:24,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:24,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb05cc47-f796-4d31-a39d-0b05abe2c007/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:40:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:40:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:40:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:40:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:40:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:40:24,377 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:24,379 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:24,634 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:24,706 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:24,706 INFO L308 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-21 18:40:24,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:24 BoogieIcfgContainer [2023-11-21 18:40:24,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:24,709 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:24,709 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:24,719 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:24,720 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:24" (1/1) ... [2023-11-21 18:40:24,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:40:24,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:24,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2023-11-21 18:40:24,778 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2023-11-21 18:40:24,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:40:24,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:24,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:24,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:24,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:24,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:25,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2023-11-21 18:40:25,006 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-11-21 18:40:25,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:40:25,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:25,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:25,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:25,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:25,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2023-11-21 18:40:25,088 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2023-11-21 18:40:25,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:40:25,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:25,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:25,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:25,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2023-11-21 18:40:25,213 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2023-11-21 18:40:25,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:40:25,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:25,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:25,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:25,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:25,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:25,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2023-11-21 18:40:25,415 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2023-11-21 18:40:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:40:25,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:25,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:25,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:25,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2023-11-21 18:40:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-11-21 18:40:25,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:40:25,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:25,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:25,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:25,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:25,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:25,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2023-11-21 18:40:25,744 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2023-11-21 18:40:25,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:40:25,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:25,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:25,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:25,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:25,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 109 transitions. [2023-11-21 18:40:25,986 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 109 transitions. [2023-11-21 18:40:25,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:40:25,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:26,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:26,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:26,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 69 states and 118 transitions. [2023-11-21 18:40:26,173 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 118 transitions. [2023-11-21 18:40:26,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:40:26,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:26,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 123 transitions. [2023-11-21 18:40:26,374 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2023-11-21 18:40:26,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:40:26,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:26,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:26,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:26,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 74 states and 131 transitions. [2023-11-21 18:40:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 131 transitions. [2023-11-21 18:40:26,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:40:26,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:26,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:26,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 78 states and 144 transitions. [2023-11-21 18:40:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 144 transitions. [2023-11-21 18:40:26,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:40:26,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:26,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:26,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 80 states and 149 transitions. [2023-11-21 18:40:26,737 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 149 transitions. [2023-11-21 18:40:26,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:40:26,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:26,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 84 states and 162 transitions. [2023-11-21 18:40:27,168 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 162 transitions. [2023-11-21 18:40:27,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:40:27,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:27,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:27,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:27,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:27,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:27,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:27,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 171 transitions. [2023-11-21 18:40:27,517 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 171 transitions. [2023-11-21 18:40:27,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:40:27,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:27,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:27,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:27,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:27,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 91 states and 184 transitions. [2023-11-21 18:40:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 184 transitions. [2023-11-21 18:40:27,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:40:27,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:27,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:27,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:27,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:27,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:27,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:27,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 94 states and 193 transitions. [2023-11-21 18:40:27,705 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 193 transitions. [2023-11-21 18:40:27,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:40:27,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:27,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:27,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:27,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:28,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 97 states and 200 transitions. [2023-11-21 18:40:28,170 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 200 transitions. [2023-11-21 18:40:28,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:40:28,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:28,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:28,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:28,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:28,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:28,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 99 states and 205 transitions. [2023-11-21 18:40:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 205 transitions. [2023-11-21 18:40:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:40:28,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:28,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:28,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:28,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:28,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:40:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:29,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 100 states and 207 transitions. [2023-11-21 18:40:29,069 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 207 transitions. [2023-11-21 18:40:29,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:40:29,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:29,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:29,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:29,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:29,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:29,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 103 states and 216 transitions. [2023-11-21 18:40:29,981 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 216 transitions. [2023-11-21 18:40:29,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:40:29,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:29,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:30,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:30,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:30,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:30,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:30,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 106 states and 223 transitions. [2023-11-21 18:40:30,620 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 223 transitions. [2023-11-21 18:40:30,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:40:30,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:30,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:30,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:30,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:30,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:30,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 107 states and 225 transitions. [2023-11-21 18:40:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 225 transitions. [2023-11-21 18:40:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:40:30,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:30,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:30,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:30,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:30,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 109 states and 226 transitions. [2023-11-21 18:40:30,984 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 226 transitions. [2023-11-21 18:40:30,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:40:30,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:30,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:31,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:31,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:31,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:32,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 113 states and 240 transitions. [2023-11-21 18:40:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 240 transitions. [2023-11-21 18:40:32,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:40:32,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:32,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:32,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:32,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:32,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:32,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 115 states and 241 transitions. [2023-11-21 18:40:32,558 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 241 transitions. [2023-11-21 18:40:32,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:40:32,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:32,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:32,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:32,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:33,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:33,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 118 states and 250 transitions. [2023-11-21 18:40:33,154 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 250 transitions. [2023-11-21 18:40:33,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:40:33,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:33,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:33,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:33,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:33,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:40:33,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 121 states and 253 transitions. [2023-11-21 18:40:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 253 transitions. [2023-11-21 18:40:33,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:40:33,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:33,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:33,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:33,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:40:33,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:33,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 123 states and 254 transitions. [2023-11-21 18:40:33,786 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 254 transitions. [2023-11-21 18:40:33,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:40:33,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:33,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:33,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:33,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:33,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:34,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:34,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 126 states and 257 transitions. [2023-11-21 18:40:34,340 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 257 transitions. [2023-11-21 18:40:34,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:40:34,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:34,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:34,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:34,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:34,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:40:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 128 states and 258 transitions. [2023-11-21 18:40:34,558 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 258 transitions. [2023-11-21 18:40:34,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:40:34,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:34,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:34,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:34,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:35,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:35,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 131 states and 267 transitions. [2023-11-21 18:40:35,180 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 267 transitions. [2023-11-21 18:40:35,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:40:35,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:35,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:35,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:35,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:35,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:35,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 134 states and 270 transitions. [2023-11-21 18:40:35,533 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 270 transitions. [2023-11-21 18:40:35,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:40:35,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:35,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:35,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:35,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:40:35,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 136 states and 271 transitions. [2023-11-21 18:40:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 271 transitions. [2023-11-21 18:40:35,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:40:35,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:35,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:35,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:35,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:36,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:36,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:36,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 139 states and 274 transitions. [2023-11-21 18:40:36,454 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 274 transitions. [2023-11-21 18:40:36,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:40:36,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:36,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:36,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:36,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:40:36,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:36,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 141 states and 275 transitions. [2023-11-21 18:40:36,647 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 275 transitions. [2023-11-21 18:40:36,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:40:36,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:36,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:36,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:36,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:36,792 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:37,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:37,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 144 states and 284 transitions. [2023-11-21 18:40:37,264 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 284 transitions. [2023-11-21 18:40:37,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:40:37,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:37,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:37,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:37,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:37,320 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:40:37,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:37,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 147 states and 287 transitions. [2023-11-21 18:40:37,617 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 287 transitions. [2023-11-21 18:40:37,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:40:37,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:37,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:37,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:37,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:37,670 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:40:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:37,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 149 states and 288 transitions. [2023-11-21 18:40:37,955 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 288 transitions. [2023-11-21 18:40:37,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:40:37,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:37,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:37,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:40:37,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:38,158 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:38,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:38,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 152 states and 291 transitions. [2023-11-21 18:40:38,608 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 291 transitions. [2023-11-21 18:40:38,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:40:38,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:38,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:38,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:38,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:40:38,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:38,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 154 states and 292 transitions. [2023-11-21 18:40:38,832 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 292 transitions. [2023-11-21 18:40:38,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:40:38,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:38,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:38,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:40:38,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:39,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:39,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 157 states and 301 transitions. [2023-11-21 18:40:39,524 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 301 transitions. [2023-11-21 18:40:39,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:39,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:39,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:39,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:39,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:40:39,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 160 states and 304 transitions. [2023-11-21 18:40:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 304 transitions. [2023-11-21 18:40:39,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:40:39,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:39,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:39,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:39,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 18:40:40,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:40,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 162 states and 305 transitions. [2023-11-21 18:40:40,239 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 305 transitions. [2023-11-21 18:40:40,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:40:40,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:40,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:40,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:40:40,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:40,441 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:40,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:40,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 165 states and 308 transitions. [2023-11-21 18:40:40,937 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 308 transitions. [2023-11-21 18:40:40,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:40:40,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:40,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:40,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:40,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:41,002 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 18:40:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 167 states and 309 transitions. [2023-11-21 18:40:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 309 transitions. [2023-11-21 18:40:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:40:41,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:41,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:41,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:40:41,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:41,320 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:41,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 170 states and 318 transitions. [2023-11-21 18:40:41,866 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 318 transitions. [2023-11-21 18:40:41,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:40:41,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:41,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:41,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:41,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:41,929 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:40:42,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 173 states and 321 transitions. [2023-11-21 18:40:42,300 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 321 transitions. [2023-11-21 18:40:42,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:40:42,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:42,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:42,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:42,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-21 18:40:42,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 175 states and 322 transitions. [2023-11-21 18:40:42,678 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 322 transitions. [2023-11-21 18:40:42,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:40:42,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:42,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:42,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:42,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:42,746 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:40:45,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:45,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 193 states and 350 transitions. [2023-11-21 18:40:45,508 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 350 transitions. [2023-11-21 18:40:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:40:45,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:45,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:45,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:40:45,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:45,735 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:46,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 196 states and 353 transitions. [2023-11-21 18:40:46,442 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 353 transitions. [2023-11-21 18:40:46,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:40:46,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:46,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:46,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:46,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:46,536 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-21 18:40:46,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:46,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 198 states and 354 transitions. [2023-11-21 18:40:46,730 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 354 transitions. [2023-11-21 18:40:46,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:40:46,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:46,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:46,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:40:46,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:47,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 201 states and 364 transitions. [2023-11-21 18:40:47,569 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 364 transitions. [2023-11-21 18:40:47,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:40:47,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:47,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:47,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:47,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-21 18:40:47,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:47,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 204 states and 367 transitions. [2023-11-21 18:40:47,986 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 367 transitions. [2023-11-21 18:40:47,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:40:47,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:47,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:48,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:48,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:48,059 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-21 18:40:48,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:48,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 206 states and 368 transitions. [2023-11-21 18:40:48,415 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 368 transitions. [2023-11-21 18:40:48,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:40:48,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:48,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:48,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:48,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:48,496 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-21 18:40:48,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:48,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 209 states and 371 transitions. [2023-11-21 18:40:48,870 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 371 transitions. [2023-11-21 18:40:48,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:40:48,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:48,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:48,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:40:48,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:49,122 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:49,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:49,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 212 states and 374 transitions. [2023-11-21 18:40:49,673 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 374 transitions. [2023-11-21 18:40:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:40:49,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:49,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:49,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:49,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-21 18:40:49,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:49,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 214 states and 375 transitions. [2023-11-21 18:40:49,960 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 375 transitions. [2023-11-21 18:40:49,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:40:49,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:49,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:50,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:40:50,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:50,152 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:50,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 217 states and 385 transitions. [2023-11-21 18:40:50,781 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 385 transitions. [2023-11-21 18:40:50,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:40:50,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:50,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:50,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:50,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-21 18:40:51,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:51,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 220 states and 388 transitions. [2023-11-21 18:40:51,224 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 388 transitions. [2023-11-21 18:40:51,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:40:51,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:51,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:51,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:51,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:51,328 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-21 18:40:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:51,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 222 states and 389 transitions. [2023-11-21 18:40:51,669 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 389 transitions. [2023-11-21 18:40:51,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:40:51,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:51,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:51,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:51,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-21 18:40:52,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:52,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 225 states and 392 transitions. [2023-11-21 18:40:52,171 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 392 transitions. [2023-11-21 18:40:52,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:40:52,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:52,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:52,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:40:52,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:53,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:53,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 228 states and 395 transitions. [2023-11-21 18:40:53,077 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 395 transitions. [2023-11-21 18:40:53,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:40:53,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:53,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:53,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:53,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-21 18:40:53,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 230 states and 396 transitions. [2023-11-21 18:40:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 396 transitions. [2023-11-21 18:40:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:40:53,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:53,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:53,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:40:53,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:54,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 233 states and 406 transitions. [2023-11-21 18:40:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 406 transitions. [2023-11-21 18:40:54,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:40:54,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:54,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:54,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:54,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-21 18:40:54,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:54,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 236 states and 409 transitions. [2023-11-21 18:40:54,742 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 409 transitions. [2023-11-21 18:40:54,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:40:54,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:54,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:54,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:54,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:54,853 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-21 18:40:55,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:55,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 238 states and 410 transitions. [2023-11-21 18:40:55,215 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 410 transitions. [2023-11-21 18:40:55,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:40:55,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:55,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:55,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:55,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:55,299 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-21 18:40:55,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:55,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 241 states and 413 transitions. [2023-11-21 18:40:55,729 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 413 transitions. [2023-11-21 18:40:55,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:40:55,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:55,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:55,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:40:55,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 10 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:40:56,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:56,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 244 states and 416 transitions. [2023-11-21 18:40:56,732 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 416 transitions. [2023-11-21 18:40:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:40:56,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:56,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:56,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:56,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-21 18:40:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 246 states and 417 transitions. [2023-11-21 18:40:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 417 transitions. [2023-11-21 18:40:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:40:57,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:57,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:57,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:40:57,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:57,222 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:57,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:57,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 249 states and 427 transitions. [2023-11-21 18:40:57,940 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 427 transitions. [2023-11-21 18:40:57,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:40:57,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:57,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:57,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:57,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:58,031 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-21 18:40:58,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:58,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 252 states and 430 transitions. [2023-11-21 18:40:58,477 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 430 transitions. [2023-11-21 18:40:58,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:40:58,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:58,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:58,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:58,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:58,601 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:40:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 254 states and 431 transitions. [2023-11-21 18:40:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 431 transitions. [2023-11-21 18:40:59,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:40:59,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:59,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:59,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:59,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:59,108 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-21 18:40:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 257 states and 434 transitions. [2023-11-21 18:40:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 434 transitions. [2023-11-21 18:40:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:40:59,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:59,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:59,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:40:59,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:59,919 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 11 proven. 117 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:41:00,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:00,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 260 states and 437 transitions. [2023-11-21 18:41:00,637 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 437 transitions. [2023-11-21 18:41:00,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:41:00,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:00,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:00,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:00,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:00,743 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:00,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:00,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 262 states and 438 transitions. [2023-11-21 18:41:00,986 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 438 transitions. [2023-11-21 18:41:00,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:41:00,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:00,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:01,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:41:01,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:01,238 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:01,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 265 states and 448 transitions. [2023-11-21 18:41:01,994 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 448 transitions. [2023-11-21 18:41:01,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:41:01,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:01,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:02,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:02,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:02,099 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:41:02,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:02,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 268 states and 451 transitions. [2023-11-21 18:41:02,547 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 451 transitions. [2023-11-21 18:41:02,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:41:02,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:02,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:02,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:02,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:02,654 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-21 18:41:03,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 270 states and 452 transitions. [2023-11-21 18:41:03,130 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 452 transitions. [2023-11-21 18:41:03,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:41:03,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:03,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:03,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:03,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:41:03,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:03,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 273 states and 455 transitions. [2023-11-21 18:41:03,714 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 455 transitions. [2023-11-21 18:41:03,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:41:03,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:03,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:03,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:41:03,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 12 proven. 145 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:41:04,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:04,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 276 states and 458 transitions. [2023-11-21 18:41:04,774 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 458 transitions. [2023-11-21 18:41:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:41:04,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:04,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:04,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:04,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-21 18:41:05,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 278 states and 459 transitions. [2023-11-21 18:41:05,120 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 459 transitions. [2023-11-21 18:41:05,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:41:05,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:05,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:05,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:41:05,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:06,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:06,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 281 states and 469 transitions. [2023-11-21 18:41:06,135 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 469 transitions. [2023-11-21 18:41:06,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:41:06,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:06,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:06,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:06,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:06,237 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-21 18:41:06,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:06,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 284 states and 472 transitions. [2023-11-21 18:41:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 472 transitions. [2023-11-21 18:41:06,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:41:06,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:06,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:06,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:06,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-21 18:41:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:07,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 286 states and 473 transitions. [2023-11-21 18:41:07,284 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 473 transitions. [2023-11-21 18:41:07,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:41:07,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:07,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:07,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:07,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:07,381 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-21 18:41:07,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 289 states and 476 transitions. [2023-11-21 18:41:07,872 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 476 transitions. [2023-11-21 18:41:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:41:07,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:07,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:07,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:41:07,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 13 proven. 176 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:41:08,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 292 states and 479 transitions. [2023-11-21 18:41:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 479 transitions. [2023-11-21 18:41:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:41:08,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:08,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:09,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:09,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-21 18:41:09,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 294 states and 480 transitions. [2023-11-21 18:41:09,362 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 480 transitions. [2023-11-21 18:41:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:41:09,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:09,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:09,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:41:09,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:09,614 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:10,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:10,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 297 states and 490 transitions. [2023-11-21 18:41:10,470 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 490 transitions. [2023-11-21 18:41:10,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:41:10,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:10,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:10,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:10,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:10,580 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-21 18:41:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 300 states and 493 transitions. [2023-11-21 18:41:11,078 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 493 transitions. [2023-11-21 18:41:11,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:41:11,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:11,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:11,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:11,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:11,192 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-21 18:41:11,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 302 states and 494 transitions. [2023-11-21 18:41:11,634 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 494 transitions. [2023-11-21 18:41:11,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:41:11,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:11,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:11,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:11,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:11,730 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-21 18:41:12,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:12,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 305 states and 497 transitions. [2023-11-21 18:41:12,294 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 497 transitions. [2023-11-21 18:41:12,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:41:12,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:12,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:12,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:41:12,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:12,667 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 14 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:41:13,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:13,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 308 states and 500 transitions. [2023-11-21 18:41:13,439 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 500 transitions. [2023-11-21 18:41:13,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:41:13,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:13,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:13,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:13,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:13,538 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-21 18:41:13,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 310 states and 501 transitions. [2023-11-21 18:41:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 501 transitions. [2023-11-21 18:41:13,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:41:13,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:13,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:13,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:41:13,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:14,067 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:15,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:15,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 313 states and 511 transitions. [2023-11-21 18:41:15,010 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 511 transitions. [2023-11-21 18:41:15,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:41:15,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:15,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:15,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:15,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:15,122 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-21 18:41:15,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:15,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 316 states and 514 transitions. [2023-11-21 18:41:15,623 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 514 transitions. [2023-11-21 18:41:15,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:41:15,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:15,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:15,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:15,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:15,732 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-21 18:41:16,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:16,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 318 states and 515 transitions. [2023-11-21 18:41:16,194 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 515 transitions. [2023-11-21 18:41:16,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:41:16,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:16,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:16,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:16,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:16,310 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked.