./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05575a59-b648-43f7-879c-304973520b58/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05575a59-b648-43f7-879c-304973520b58/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_05575a59-b648-43f7-879c-304973520b58/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05575a59-b648-43f7-879c-304973520b58/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05575a59-b648-43f7-879c-304973520b58/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_05575a59-b648-43f7-879c-304973520b58/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 34fd2c5bce28a2f0a39de6b9c2d306403d911c32b4998862fc7a657ddcb319f4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:16,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:16,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05575a59-b648-43f7-879c-304973520b58/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:37:16,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:16,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:16,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:16,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:16,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:16,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:16,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:16,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:16,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:16,291 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:37:16,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:16,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:37:16,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:16,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:16,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:16,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:16,295 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:16,296 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:16,296 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:37:16,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:16,298 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:16,298 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:16,299 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:16,299 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:16,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:16,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:16,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:16,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:16,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:16,302 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:16,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:16,303 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:16,303 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_05575a59-b648-43f7-879c-304973520b58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05575a59-b648-43f7-879c-304973520b58/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34fd2c5bce28a2f0a39de6b9c2d306403d911c32b4998862fc7a657ddcb319f4 [2023-11-21 18:37:16,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:16,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:16,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:16,627 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:16,628 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:16,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05575a59-b648-43f7-879c-304973520b58/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c [2023-11-21 18:37:19,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:19,959 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:19,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05575a59-b648-43f7-879c-304973520b58/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c [2023-11-21 18:37:19,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05575a59-b648-43f7-879c-304973520b58/bin/ukojak-verify-i0I2FZA1j2/data/4120971e3/5cfc0242399540688399f76ea048b624/FLAG08f511218 [2023-11-21 18:37:19,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05575a59-b648-43f7-879c-304973520b58/bin/ukojak-verify-i0I2FZA1j2/data/4120971e3/5cfc0242399540688399f76ea048b624 [2023-11-21 18:37:19,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:19,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:19,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:19,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:19,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:19,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:19" (1/1) ... [2023-11-21 18:37:19,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce88674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:19, skipping insertion in model container [2023-11-21 18:37:19,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:19" (1/1) ... [2023-11-21 18:37:20,018 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:20,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:20,190 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:37:20,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:20,226 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:37:20,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:20 WrapperNode [2023-11-21 18:37:20,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:20,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:20,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:37:20,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:37:20,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:20" (1/1) ... [2023-11-21 18:37:20,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:20" (1/1) ... [2023-11-21 18:37:20,298 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2023-11-21 18:37:20,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:20,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:37:20,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:37:20,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:37:20,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:20" (1/1) ... [2023-11-21 18:37:20,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:20" (1/1) ... [2023-11-21 18:37:20,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:20" (1/1) ... [2023-11-21 18:37:20,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:20" (1/1) ... [2023-11-21 18:37:20,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:20" (1/1) ... [2023-11-21 18:37:20,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:20" (1/1) ... [2023-11-21 18:37:20,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:20" (1/1) ... [2023-11-21 18:37:20,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:20" (1/1) ... [2023-11-21 18:37:20,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:37:20,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:37:20,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:37:20,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:37:20,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:20" (1/1) ... [2023-11-21 18:37:20,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:20,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05575a59-b648-43f7-879c-304973520b58/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:37:20,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05575a59-b648-43f7-879c-304973520b58/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:37:20,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05575a59-b648-43f7-879c-304973520b58/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:37:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:37:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:37:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:37:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:37:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:37:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:37:20,523 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:37:20,525 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:37:21,056 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:37:21,136 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:37:21,136 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:37:21,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:21 BoogieIcfgContainer [2023-11-21 18:37:21,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:37:21,139 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:37:21,139 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:37:21,168 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:37:21,168 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:21" (1/1) ... [2023-11-21 18:37:21,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:37:21,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 135 states and 139 transitions. [2023-11-21 18:37:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 139 transitions. [2023-11-21 18:37:21,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:37:21,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:21,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:21,452 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 18:37:21,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:21,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 137 states and 141 transitions. [2023-11-21 18:37:21,516 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 141 transitions. [2023-11-21 18:37:21,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:37:21,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:21,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:21,600 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 18:37:21,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:21,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 138 states and 142 transitions. [2023-11-21 18:37:21,615 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2023-11-21 18:37:21,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:37:21,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:21,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:21,662 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 18:37:21,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:21,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 143 states and 150 transitions. [2023-11-21 18:37:21,812 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 150 transitions. [2023-11-21 18:37:21,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:37:21,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:21,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:21,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:21,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:21,912 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 18:37:22,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:22,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 144 states and 152 transitions. [2023-11-21 18:37:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 152 transitions. [2023-11-21 18:37:22,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:37:22,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:22,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:22,051 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 18:37:22,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:22,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 145 states and 153 transitions. [2023-11-21 18:37:22,065 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2023-11-21 18:37:22,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:37:22,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:22,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:22,084 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 18:37:22,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:22,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 144 states and 152 transitions. [2023-11-21 18:37:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 152 transitions. [2023-11-21 18:37:22,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:37:22,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:22,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:22,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:22,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:22,178 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 18:37:22,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:22,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 152 states and 164 transitions. [2023-11-21 18:37:22,554 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 164 transitions. [2023-11-21 18:37:22,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:37:22,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:22,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:22,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:22,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:22,625 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 18:37:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:22,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 153 states and 165 transitions. [2023-11-21 18:37:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 165 transitions. [2023-11-21 18:37:22,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:37:22,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:22,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:22,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:22,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:22,702 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 18:37:22,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:22,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 154 states and 166 transitions. [2023-11-21 18:37:22,717 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 166 transitions. [2023-11-21 18:37:22,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:37:22,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:22,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:22,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:22,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:22,741 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 18:37:22,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:22,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 153 states and 165 transitions. [2023-11-21 18:37:22,748 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 165 transitions. [2023-11-21 18:37:22,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:37:22,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:22,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:22,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:22,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:22,807 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 18:37:22,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:22,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 155 states and 167 transitions. [2023-11-21 18:37:22,832 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 167 transitions. [2023-11-21 18:37:22,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:37:22,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:22,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:22,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:22,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:22,974 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 18:37:23,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:23,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 162 states and 176 transitions. [2023-11-21 18:37:23,169 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-11-21 18:37:23,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:37:23,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:23,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:23,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:23,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:23,302 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 18:37:23,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:23,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 170 states and 185 transitions. [2023-11-21 18:37:23,610 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 185 transitions. [2023-11-21 18:37:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:37:23,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:23,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:23,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:23,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:23,684 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 18:37:23,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:23,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 171 states and 187 transitions. [2023-11-21 18:37:23,738 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 187 transitions. [2023-11-21 18:37:23,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:37:23,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:23,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:23,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:23,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:23,811 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 18:37:23,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:23,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 173 states and 190 transitions. [2023-11-21 18:37:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 190 transitions. [2023-11-21 18:37:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:37:23,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:23,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:23,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:23,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:23,943 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 18:37:23,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:23,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 172 states and 189 transitions. [2023-11-21 18:37:23,955 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 189 transitions. [2023-11-21 18:37:23,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:37:23,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:23,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:23,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:23,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:24,016 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 18:37:24,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:24,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 175 states and 192 transitions. [2023-11-21 18:37:24,056 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 192 transitions. [2023-11-21 18:37:24,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:37:24,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:24,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:24,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:24,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:24,116 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 18:37:24,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 176 states and 193 transitions. [2023-11-21 18:37:24,134 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 193 transitions. [2023-11-21 18:37:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:37:24,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:24,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:24,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:24,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:24,186 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 18:37:24,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 177 states and 194 transitions. [2023-11-21 18:37:24,204 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 194 transitions. [2023-11-21 18:37:24,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:37:24,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:24,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:24,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:24,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:24,329 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 18:37:24,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:24,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 185 states and 202 transitions. [2023-11-21 18:37:24,509 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 202 transitions. [2023-11-21 18:37:24,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:37:24,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:24,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:24,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:24,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:24,634 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 18:37:24,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:24,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 193 states and 211 transitions. [2023-11-21 18:37:24,810 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 211 transitions. [2023-11-21 18:37:24,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:37:24,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:24,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:24,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:24,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:24,852 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 18:37:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:24,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 192 states and 210 transitions. [2023-11-21 18:37:24,862 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 210 transitions. [2023-11-21 18:37:24,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:37:24,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:24,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:24,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:24,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:24,965 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 18:37:25,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:25,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 194 states and 212 transitions. [2023-11-21 18:37:25,056 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 212 transitions. [2023-11-21 18:37:25,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:37:25,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:25,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:25,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:25,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:25,190 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 18:37:25,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 198 states and 217 transitions. [2023-11-21 18:37:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 217 transitions. [2023-11-21 18:37:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:37:25,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:25,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:25,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:25,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:25,489 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 18:37:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:25,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 202 states and 222 transitions. [2023-11-21 18:37:25,580 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 222 transitions. [2023-11-21 18:37:25,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:37:25,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:25,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:25,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:25,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:25,673 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 18:37:25,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:25,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 205 states and 230 transitions. [2023-11-21 18:37:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 230 transitions. [2023-11-21 18:37:25,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:37:25,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:25,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:25,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:25,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:25,823 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 18:37:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:26,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 234 states and 267 transitions. [2023-11-21 18:37:26,661 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 267 transitions. [2023-11-21 18:37:26,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:37:26,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:26,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:26,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:26,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:26,738 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 18:37:26,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 235 states and 268 transitions. [2023-11-21 18:37:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 268 transitions. [2023-11-21 18:37:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:37:26,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:26,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:26,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:26,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:26,861 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 18:37:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:27,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 265 states and 306 transitions. [2023-11-21 18:37:27,884 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 306 transitions. [2023-11-21 18:37:27,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:37:27,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:27,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:27,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:27,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:27,919 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 18:37:27,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:27,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 264 states and 305 transitions. [2023-11-21 18:37:27,934 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 305 transitions. [2023-11-21 18:37:27,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:37:27,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:27,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:27,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:27,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:28,032 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 18:37:28,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:28,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 267 states and 311 transitions. [2023-11-21 18:37:28,407 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 311 transitions. [2023-11-21 18:37:28,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:37:28,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:28,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:28,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:28,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:28,493 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 18:37:28,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:28,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 269 states and 313 transitions. [2023-11-21 18:37:28,947 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 313 transitions. [2023-11-21 18:37:28,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:37:28,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:28,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:28,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:28,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:29,034 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 18:37:29,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:29,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 273 states and 320 transitions. [2023-11-21 18:37:29,561 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 320 transitions. [2023-11-21 18:37:29,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:37:29,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:29,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:29,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:29,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:29,640 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 18:37:29,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 276 states and 323 transitions. [2023-11-21 18:37:29,753 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 323 transitions. [2023-11-21 18:37:29,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:37:29,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:29,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:29,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:29,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:29,780 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 18:37:29,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 275 states and 322 transitions. [2023-11-21 18:37:29,794 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 322 transitions. [2023-11-21 18:37:29,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:37:29,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:29,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:29,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:29,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:29,866 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 18:37:29,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:29,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 276 states and 323 transitions. [2023-11-21 18:37:29,889 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 323 transitions. [2023-11-21 18:37:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:37:29,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:29,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:29,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:29,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:30,005 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 18:37:30,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 282 states and 331 transitions. [2023-11-21 18:37:30,583 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 331 transitions. [2023-11-21 18:37:30,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:37:30,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:30,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:30,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:30,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:30,702 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 18:37:30,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:30,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 283 states and 333 transitions. [2023-11-21 18:37:30,747 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 333 transitions. [2023-11-21 18:37:30,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:37:30,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:30,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:30,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:30,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:30,865 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 18:37:30,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:30,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 285 states and 335 transitions. [2023-11-21 18:37:30,977 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 335 transitions. [2023-11-21 18:37:30,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:37:30,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:30,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:31,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:31,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:31,109 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 18:37:31,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:31,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 293 states and 347 transitions. [2023-11-21 18:37:31,682 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 347 transitions. [2023-11-21 18:37:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:37:31,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:31,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:31,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:31,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:31,852 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 18:37:32,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:32,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 305 states and 365 transitions. [2023-11-21 18:37:32,853 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 365 transitions. [2023-11-21 18:37:32,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:37:32,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:32,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:32,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:32,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:32,984 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 18:37:33,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 314 states and 378 transitions. [2023-11-21 18:37:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 378 transitions. [2023-11-21 18:37:33,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:37:33,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:33,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:33,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:33,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:33,804 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 18:37:35,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:35,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 326 states and 399 transitions. [2023-11-21 18:37:35,212 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 399 transitions. [2023-11-21 18:37:35,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:37:35,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:35,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:35,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:35,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:35,241 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 18:37:35,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:35,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 325 states and 398 transitions. [2023-11-21 18:37:35,258 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 398 transitions. [2023-11-21 18:37:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:37:35,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:35,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:35,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:35,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:35,349 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 18:37:36,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 330 states and 404 transitions. [2023-11-21 18:37:36,223 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 404 transitions. [2023-11-21 18:37:36,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:37:36,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:36,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:36,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:36,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:36,459 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 18:37:38,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:38,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 369 states and 471 transitions. [2023-11-21 18:37:38,428 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 471 transitions. [2023-11-21 18:37:38,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:37:38,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:38,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:38,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:38,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:38,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:37:40,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 18:37:41,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:41,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 375 states and 480 transitions. [2023-11-21 18:37:41,078 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 480 transitions. [2023-11-21 18:37:41,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:37:41,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:41,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:41,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:41,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 414 states and 550 transitions. [2023-11-21 18:37:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 550 transitions. [2023-11-21 18:37:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:37:44,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:44,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:44,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:44,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:44,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:37:45,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 421 states and 562 transitions. [2023-11-21 18:37:45,365 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 562 transitions. [2023-11-21 18:37:45,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:37:45,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:45,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:45,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:45,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:45,392 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 18:37:45,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 420 states and 561 transitions. [2023-11-21 18:37:45,419 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 561 transitions. [2023-11-21 18:37:45,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:37:45,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:45,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:45,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:45,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:48,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 18:37:50,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:50,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 460 states and 640 transitions. [2023-11-21 18:37:50,660 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 640 transitions. [2023-11-21 18:37:50,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:37:50,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:50,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:50,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:50,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:52,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:52,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 468 states and 656 transitions. [2023-11-21 18:37:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 656 transitions. [2023-11-21 18:37:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:37:52,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:52,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:52,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:52,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:52,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:53,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 469 states and 657 transitions. [2023-11-21 18:37:53,282 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 657 transitions. [2023-11-21 18:37:53,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:37:53,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:53,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:53,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:53,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:53,493 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 18:37:56,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 18:37:58,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 478 states and 673 transitions. [2023-11-21 18:37:58,309 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 673 transitions. [2023-11-21 18:37:58,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:37:58,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:58,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:58,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:58,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:02,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:02,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 486 states and 687 transitions. [2023-11-21 18:38:02,299 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 687 transitions. [2023-11-21 18:38:02,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:38:02,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:02,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:02,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:02,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:02,553 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 18:38:03,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:03,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 496 states and 704 transitions. [2023-11-21 18:38:03,766 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 704 transitions. [2023-11-21 18:38:03,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:38:03,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:03,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:03,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:03,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:03,964 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 18:38:04,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:04,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 495 states and 703 transitions. [2023-11-21 18:38:04,883 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 703 transitions. [2023-11-21 18:38:04,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:38:04,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:04,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:04,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:04,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:08,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:08,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 503 states and 717 transitions. [2023-11-21 18:38:08,135 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 717 transitions. [2023-11-21 18:38:08,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:38:08,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:08,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:08,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:08,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:08,200 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 18:38:09,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:09,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 502 states and 716 transitions. [2023-11-21 18:38:09,132 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 716 transitions. [2023-11-21 18:38:09,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:38:09,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:09,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:09,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:09,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:09,195 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.