./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_2899b2b3-a068-4281-8b84-3294fab71e49/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/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_2899b2b3-a068-4281-8b84-3294fab71e49/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:10,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:10,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:16:10,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:10,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:10,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:10,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:10,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:10,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:10,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:10,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:10,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:10,207 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:10,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:10,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:10,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:10,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:10,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:10,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:10,212 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:10,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:10,213 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:10,214 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:10,214 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:10,215 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:10,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:10,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:10,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:10,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:10,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:10,218 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:10,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:10,219 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:10,219 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_2899b2b3-a068-4281-8b84-3294fab71e49/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 [2023-11-24 22:16:10,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:10,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:10,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:10,543 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:10,544 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:10,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c [2023-11-24 22:16:13,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:13,900 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:13,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c [2023-11-24 22:16:13,909 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/bin/ukojak-verify-afCqCEvfdi/data/cb768ddee/11e84b34d3404b4ea36c6f05979aaed6/FLAGc06340280 [2023-11-24 22:16:13,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/bin/ukojak-verify-afCqCEvfdi/data/cb768ddee/11e84b34d3404b4ea36c6f05979aaed6 [2023-11-24 22:16:13,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:13,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:13,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:13,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:13,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:13,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:13" (1/1) ... [2023-11-24 22:16:13,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2705bcd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:13, skipping insertion in model container [2023-11-24 22:16:13,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:13" (1/1) ... [2023-11-24 22:16:13,970 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:14,134 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2023-11-24 22:16:14,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:14,165 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:14,178 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2023-11-24 22:16:14,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:14,202 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:14,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:14 WrapperNode [2023-11-24 22:16:14,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:14,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:14,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:14,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:14,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:14" (1/1) ... [2023-11-24 22:16:14,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:14" (1/1) ... [2023-11-24 22:16:14,238 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-11-24 22:16:14,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:14,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:14,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:14,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:14,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:14" (1/1) ... [2023-11-24 22:16:14,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:14" (1/1) ... [2023-11-24 22:16:14,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:14" (1/1) ... [2023-11-24 22:16:14,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:14" (1/1) ... [2023-11-24 22:16:14,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:14" (1/1) ... [2023-11-24 22:16:14,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:14" (1/1) ... [2023-11-24 22:16:14,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:14" (1/1) ... [2023-11-24 22:16:14,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:14" (1/1) ... [2023-11-24 22:16:14,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:14,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:14,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:14,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:14,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:14" (1/1) ... [2023-11-24 22:16:14,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:14,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:14,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:14,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2899b2b3-a068-4281-8b84-3294fab71e49/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:14,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:14,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:14,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:14,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:14,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:16:14,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:16:14,437 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:14,440 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:14,724 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:14,766 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:14,767 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:16:14,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:14 BoogieIcfgContainer [2023-11-24 22:16:14,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:14,775 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:14,776 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:14,786 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:14,787 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:14" (1/1) ... [2023-11-24 22:16:14,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:14,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:14,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-24 22:16:14,877 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-24 22:16:14,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:16:14,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:14,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:15,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:16:15,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:15,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-24 22:16:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-24 22:16:15,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:16:15,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:15,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:15,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:15,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:15,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:15,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-24 22:16:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-24 22:16:15,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:16:15,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:15,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:15,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:16:15,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:15,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:15,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:15,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-24 22:16:15,850 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-24 22:16:15,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:16:15,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:15,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:15,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:16:15,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:16,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:16,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:16,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-11-24 22:16:16,572 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-11-24 22:16:16,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:16:16,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:16,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:16,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:16:16,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:17,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:17,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-11-24 22:16:17,811 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-24 22:16:17,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:16:17,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:17,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:17,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:16:17,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:17,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:18,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:18,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2023-11-24 22:16:18,698 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2023-11-24 22:16:18,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:16:18,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:18,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:18,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:16:18,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:19,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:19,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2023-11-24 22:16:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2023-11-24 22:16:19,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:16:19,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:19,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:19,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:16:19,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:19,328 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:19,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:19,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2023-11-24 22:16:19,602 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2023-11-24 22:16:19,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:16:19,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:19,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:19,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:16:19,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:19,789 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:20,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 95 transitions. [2023-11-24 22:16:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 95 transitions. [2023-11-24 22:16:20,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:16:20,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:20,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:20,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:16:20,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:21,062 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:21,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:21,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-11-24 22:16:21,585 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-11-24 22:16:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:16:21,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:21,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:21,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:16:21,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:23,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:23,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2023-11-24 22:16:23,566 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2023-11-24 22:16:23,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:16:23,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:23,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:23,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:16:23,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:24,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:24,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 59 states and 132 transitions. [2023-11-24 22:16:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 132 transitions. [2023-11-24 22:16:24,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:16:24,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:24,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:24,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:16:24,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:24,659 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:24,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 131 transitions. [2023-11-24 22:16:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 131 transitions. [2023-11-24 22:16:24,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:16:24,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:24,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:24,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:16:24,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:25,250 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 69 states and 172 transitions. [2023-11-24 22:16:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 172 transitions. [2023-11-24 22:16:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:16:28,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:28,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:28,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:16:28,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:28,182 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:29,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 72 states and 176 transitions. [2023-11-24 22:16:29,196 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 176 transitions. [2023-11-24 22:16:29,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:29,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:29,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:29,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:16:29,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:29,418 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:31,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:31,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 80 states and 218 transitions. [2023-11-24 22:16:31,851 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 218 transitions. [2023-11-24 22:16:31,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:31,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:31,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:31,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:16:31,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:33,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:33,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 84 states and 235 transitions. [2023-11-24 22:16:33,788 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 235 transitions. [2023-11-24 22:16:33,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:33,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:33,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:33,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:16:33,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:33,951 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 236 transitions. [2023-11-24 22:16:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 236 transitions. [2023-11-24 22:16:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:34,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:34,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:34,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:16:34,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:35,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:35,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 235 transitions. [2023-11-24 22:16:35,189 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 235 transitions. [2023-11-24 22:16:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:35,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:35,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:35,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:16:35,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:36,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:36,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 89 states and 238 transitions. [2023-11-24 22:16:36,591 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 238 transitions. [2023-11-24 22:16:36,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:36,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:36,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:36,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:16:36,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:37,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 89 states and 237 transitions. [2023-11-24 22:16:37,131 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 237 transitions. [2023-11-24 22:16:37,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:37,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:37,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:37,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:16:37,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:38,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:38,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 92 states and 240 transitions. [2023-11-24 22:16:38,555 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 240 transitions. [2023-11-24 22:16:38,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:16:38,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:38,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:38,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:16:38,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:39,099 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:43,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 102 states and 288 transitions. [2023-11-24 22:16:43,700 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 288 transitions. [2023-11-24 22:16:43,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:16:43,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:43,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:43,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:16:43,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:45,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 105 states and 291 transitions. [2023-11-24 22:16:45,128 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 291 transitions. [2023-11-24 22:16:45,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:16:45,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:45,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:45,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:16:45,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:45,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 106 states and 294 transitions. [2023-11-24 22:16:45,686 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 294 transitions. [2023-11-24 22:16:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:16:45,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:45,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:45,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:16:45,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:45,799 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:47,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:47,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 109 states and 298 transitions. [2023-11-24 22:16:47,232 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 298 transitions. [2023-11-24 22:16:47,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:16:47,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:47,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:47,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:16:47,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:47,367 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:48,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 111 states and 300 transitions. [2023-11-24 22:16:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 300 transitions. [2023-11-24 22:16:48,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:16:48,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:48,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:49,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:16:49,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:50,116 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:52,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:52,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 115 states and 316 transitions. [2023-11-24 22:16:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 316 transitions. [2023-11-24 22:16:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:16:52,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:52,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:53,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:16:53,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:53,838 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:55,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:55,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 118 states and 320 transitions. [2023-11-24 22:16:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 320 transitions. [2023-11-24 22:16:55,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:16:55,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:55,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:56,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:16:56,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:56,894 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:58,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:58,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 120 states and 321 transitions. [2023-11-24 22:16:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 321 transitions. [2023-11-24 22:16:58,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:16:58,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:58,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:59,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:16:59,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:59,990 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:17:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 123 states and 324 transitions. [2023-11-24 22:17:01,553 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 324 transitions. [2023-11-24 22:17:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:17:01,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:01,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:01,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:17:01,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:05,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 131 states and 381 transitions. [2023-11-24 22:17:05,814 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 381 transitions. [2023-11-24 22:17:05,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:17:05,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:05,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:07,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:17:07,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:07,092 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.