./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi --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 352373f9b097794e6947f5064b04543cec809ba042ac0b3a931e0e161838d7d3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:26,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:27,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:55:27,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:27,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:27,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:27,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:27,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:27,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:27,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:27,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:27,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:27,163 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:27,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:27,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:27,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:27,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:27,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:27,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:27,168 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:27,168 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:27,169 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:27,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:27,170 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:27,171 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:27,171 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:27,172 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:27,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:27,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:27,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:27,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:27,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:27,175 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:27,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:27,176 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:27,176 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_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 352373f9b097794e6947f5064b04543cec809ba042ac0b3a931e0e161838d7d3 [2023-11-24 22:55:27,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:27,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:27,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:27,479 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:27,480 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:27,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c [2023-11-24 22:55:30,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:30,916 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:30,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c [2023-11-24 22:55:30,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi/data/3ecdd8a08/d7086d5c8cf044c98a449d28664361c9/FLAG224fe7907 [2023-11-24 22:55:30,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi/data/3ecdd8a08/d7086d5c8cf044c98a449d28664361c9 [2023-11-24 22:55:30,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:30,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:30,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:30,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:30,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:30,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:30" (1/1) ... [2023-11-24 22:55:30,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779be2e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:30, skipping insertion in model container [2023-11-24 22:55:30,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:30" (1/1) ... [2023-11-24 22:55:31,010 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:31,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:31,247 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:31,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:31,282 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:31,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:31 WrapperNode [2023-11-24 22:55:31,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:31,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:31,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:31,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:31,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:31" (1/1) ... [2023-11-24 22:55:31,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:31" (1/1) ... [2023-11-24 22:55:31,361 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-24 22:55:31,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:31,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:31,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:31,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:31,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:31" (1/1) ... [2023-11-24 22:55:31,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:31" (1/1) ... [2023-11-24 22:55:31,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:31" (1/1) ... [2023-11-24 22:55:31,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:31" (1/1) ... [2023-11-24 22:55:31,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:31" (1/1) ... [2023-11-24 22:55:31,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:31" (1/1) ... [2023-11-24 22:55:31,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:31" (1/1) ... [2023-11-24 22:55:31,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:31" (1/1) ... [2023-11-24 22:55:31,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:31,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:31,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:31,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:31,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:31" (1/1) ... [2023-11-24 22:55:31,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:31,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:31,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:31,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2eb2e0-1d50-4bf6-ba9a-cfc5364490a6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:55:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:55:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:55:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:55:31,605 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:31,607 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:31,959 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:32,008 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:32,009 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:55:32,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:32 BoogieIcfgContainer [2023-11-24 22:55:32,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:32,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:32,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:32,024 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:32,024 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:32" (1/1) ... [2023-11-24 22:55:32,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:32,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-24 22:55:32,105 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-24 22:55:32,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:55:32,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:32,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:32,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:55:32,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:32,600 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:55:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:32,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-11-24 22:55:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-24 22:55:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:55:32,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:32,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:32,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:55:32,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:33,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:33,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 61 transitions. [2023-11-24 22:55:33,564 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-11-24 22:55:33,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:33,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:33,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:33,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:33,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:33,692 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 68 transitions. [2023-11-24 22:55:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-24 22:55:34,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:34,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:34,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:34,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:34,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:34,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:34,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:34,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 77 transitions. [2023-11-24 22:55:34,804 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-24 22:55:34,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:34,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:34,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:34,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:55:34,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:35,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:35,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 88 transitions. [2023-11-24 22:55:35,956 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-24 22:55:35,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:55:35,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:35,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:35,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:55:35,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:36,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:36,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 89 transitions. [2023-11-24 22:55:36,166 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2023-11-24 22:55:36,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:55:36,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:36,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:36,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:55:36,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:36,308 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:36,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:36,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 94 transitions. [2023-11-24 22:55:36,401 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2023-11-24 22:55:36,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:55:36,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:36,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:36,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:55:36,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:36,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 93 transitions. [2023-11-24 22:55:36,685 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2023-11-24 22:55:36,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:55:36,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:36,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:36,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:55:36,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:36,933 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:38,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:38,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 110 transitions. [2023-11-24 22:55:38,330 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2023-11-24 22:55:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:55:38,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:38,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:38,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:38,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:38,438 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:38,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:38,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 82 states and 113 transitions. [2023-11-24 22:55:38,523 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 113 transitions. [2023-11-24 22:55:38,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:55:38,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:38,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:38,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:55:38,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:38,730 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:41,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:41,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 91 states and 129 transitions. [2023-11-24 22:55:41,513 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2023-11-24 22:55:41,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:55:41,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:41,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:41,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:41,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:41,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:41,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:41,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 134 transitions. [2023-11-24 22:55:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2023-11-24 22:55:41,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:55:41,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:41,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:41,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:55:41,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:43,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:43,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 95 states and 138 transitions. [2023-11-24 22:55:43,444 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2023-11-24 22:55:43,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:55:43,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:43,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:43,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:43,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:43,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:47,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:47,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 157 transitions. [2023-11-24 22:55:47,101 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2023-11-24 22:55:47,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:55:47,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:47,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:47,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:47,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:50,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:50,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 178 transitions. [2023-11-24 22:55:50,855 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 178 transitions. [2023-11-24 22:55:50,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:55:50,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:50,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:50,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:50,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:51,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 120 states and 188 transitions. [2023-11-24 22:55:51,682 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-11-24 22:55:51,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:55:51,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:51,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:51,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:51,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:51,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:52,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 123 states and 193 transitions. [2023-11-24 22:55:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2023-11-24 22:55:52,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:55:52,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:52,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:52,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:52,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:53,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:53,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 196 transitions. [2023-11-24 22:55:53,275 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 196 transitions. [2023-11-24 22:55:53,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:55:53,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:53,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:53,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:55:53,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:55:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:56,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 137 states and 220 transitions. [2023-11-24 22:55:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 220 transitions. [2023-11-24 22:55:56,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:55:56,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:56,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:56,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:55:56,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:57,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:57,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:57,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 138 states and 221 transitions. [2023-11-24 22:55:57,517 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 221 transitions. [2023-11-24 22:55:57,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:55:57,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:57,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:57,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:55:57,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:58,137 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:00,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 152 states and 252 transitions. [2023-11-24 22:56:00,984 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 252 transitions. [2023-11-24 22:56:00,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:56:00,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:00,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:01,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:01,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:01,044 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:56:01,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:01,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 156 states and 257 transitions. [2023-11-24 22:56:01,801 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 257 transitions. [2023-11-24 22:56:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:56:01,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:01,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:01,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:01,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:56:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:03,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 159 states and 261 transitions. [2023-11-24 22:56:03,069 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 261 transitions. [2023-11-24 22:56:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:56:03,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:03,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:03,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:03,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:56:04,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:04,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 166 states and 270 transitions. [2023-11-24 22:56:04,825 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 270 transitions. [2023-11-24 22:56:04,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:56:04,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:04,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:04,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:56:04,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:10,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 176 states and 292 transitions. [2023-11-24 22:56:10,256 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 292 transitions. [2023-11-24 22:56:10,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:56:10,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:10,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:10,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:10,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:10,344 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:23,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:23,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 187 states and 312 transitions. [2023-11-24 22:56:23,205 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 312 transitions. [2023-11-24 22:56:23,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:56:23,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:23,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:23,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:23,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:23,267 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.