./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a6b71-ad82-4e23-9e28-84505e69bf78/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a6b71-ad82-4e23-9e28-84505e69bf78/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_f14a6b71-ad82-4e23-9e28-84505e69bf78/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a6b71-ad82-4e23-9e28-84505e69bf78/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a6b71-ad82-4e23-9e28-84505e69bf78/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_f14a6b71-ad82-4e23-9e28-84505e69bf78/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 c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:31,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:32,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a6b71-ad82-4e23-9e28-84505e69bf78/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:58:32,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:32,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:32,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:32,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:32,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:32,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:32,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:32,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:32,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:32,169 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:58:32,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:32,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:58:32,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:32,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:32,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:32,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:32,173 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:58:32,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:32,187 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:32,187 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:32,188 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:32,188 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:32,189 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:32,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:32,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:32,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:32,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:32,191 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:32,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:32,191 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:32,192 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_f14a6b71-ad82-4e23-9e28-84505e69bf78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a6b71-ad82-4e23-9e28-84505e69bf78/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 [2023-11-24 22:58:32,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:32,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:32,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:32,516 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:32,517 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:32,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a6b71-ad82-4e23-9e28-84505e69bf78/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2023-11-24 22:58:35,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:35,937 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:35,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a6b71-ad82-4e23-9e28-84505e69bf78/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2023-11-24 22:58:35,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a6b71-ad82-4e23-9e28-84505e69bf78/bin/ukojak-verify-afCqCEvfdi/data/892babffa/20e210da4b8540c38aa74b1f41dc5525/FLAGd79e9eb2e [2023-11-24 22:58:35,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a6b71-ad82-4e23-9e28-84505e69bf78/bin/ukojak-verify-afCqCEvfdi/data/892babffa/20e210da4b8540c38aa74b1f41dc5525 [2023-11-24 22:58:35,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:35,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:35,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:35,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:35,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:35,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:35" (1/1) ... [2023-11-24 22:58:35,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498c77ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:35, skipping insertion in model container [2023-11-24 22:58:35,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:35" (1/1) ... [2023-11-24 22:58:36,012 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:36,162 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_f14a6b71-ad82-4e23-9e28-84505e69bf78/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c[538,551] [2023-11-24 22:58:36,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:36,195 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:36,209 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_f14a6b71-ad82-4e23-9e28-84505e69bf78/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c[538,551] [2023-11-24 22:58:36,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:36,233 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:36,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:36 WrapperNode [2023-11-24 22:58:36,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:36,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:36,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:36,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:36,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:36" (1/1) ... [2023-11-24 22:58:36,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:36" (1/1) ... [2023-11-24 22:58:36,273 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-11-24 22:58:36,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:36,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:36,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:36,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:36,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:36" (1/1) ... [2023-11-24 22:58:36,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:36" (1/1) ... [2023-11-24 22:58:36,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:36" (1/1) ... [2023-11-24 22:58:36,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:36" (1/1) ... [2023-11-24 22:58:36,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:36" (1/1) ... [2023-11-24 22:58:36,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:36" (1/1) ... [2023-11-24 22:58:36,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:36" (1/1) ... [2023-11-24 22:58:36,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:36" (1/1) ... [2023-11-24 22:58:36,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:36,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:36,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:36,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:36,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:36" (1/1) ... [2023-11-24 22:58:36,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:36,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a6b71-ad82-4e23-9e28-84505e69bf78/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:36,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a6b71-ad82-4e23-9e28-84505e69bf78/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:36,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a6b71-ad82-4e23-9e28-84505e69bf78/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:36,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:58:36,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:58:36,452 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:36,455 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:36,670 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:36,735 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:36,735 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:58:36,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:36 BoogieIcfgContainer [2023-11-24 22:58:36,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:36,737 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:36,737 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:36,746 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:36,746 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:36" (1/1) ... [2023-11-24 22:58:36,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-24 22:58:36,817 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-24 22:58:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:58:36,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:36,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:36,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:58:36,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:37,003 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 22:58:37,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:37,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-24 22:58:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-24 22:58:37,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:58:37,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:37,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:37,334 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 22:58:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:37,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2023-11-24 22:58:37,421 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-11-24 22:58:37,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:58:37,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:37,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:37,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:58:37,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:37,569 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 22:58:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:37,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2023-11-24 22:58:37,759 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-24 22:58:37,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:58:37,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:37,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:38,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2023-11-24 22:58:38,438 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2023-11-24 22:58:38,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:58:38,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:38,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:38,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:58:38,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:58:40,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:40,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2023-11-24 22:58:40,270 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-24 22:58:40,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:58:40,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:40,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:40,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:58:40,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:58:42,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:42,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 48 states and 95 transitions. [2023-11-24 22:58:42,088 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2023-11-24 22:58:42,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:58:42,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:42,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:42,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:58:42,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:58:44,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:44,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 55 states and 115 transitions. [2023-11-24 22:58:44,628 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 115 transitions. [2023-11-24 22:58:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:58:44,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:44,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:44,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:58:44,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:44,772 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:58:45,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 57 states and 121 transitions. [2023-11-24 22:58:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 121 transitions. [2023-11-24 22:58:45,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:58:45,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:45,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:45,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:45,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:58:46,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:46,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 61 states and 132 transitions. [2023-11-24 22:58:46,834 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 132 transitions. [2023-11-24 22:58:46,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:58:46,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:46,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:46,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:58:46,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:46,954 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:58:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:47,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 63 states and 134 transitions. [2023-11-24 22:58:47,583 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 134 transitions. [2023-11-24 22:58:47,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:58:47,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:47,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:47,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:58:47,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:58:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 69 states and 154 transitions. [2023-11-24 22:58:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 154 transitions. [2023-11-24 22:58:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:58:51,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:51,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:51,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:58:51,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:51,432 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:58:52,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:52,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 71 states and 155 transitions. [2023-11-24 22:58:52,362 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 155 transitions. [2023-11-24 22:58:52,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:58:52,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:52,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:52,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:58:52,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:52,572 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:58:53,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:53,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 74 states and 171 transitions. [2023-11-24 22:58:53,116 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 171 transitions. [2023-11-24 22:58:53,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:58:53,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:53,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:53,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:58:53,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:53,259 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 22:58:58,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:58,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 79 states and 187 transitions. [2023-11-24 22:58:58,438 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 187 transitions. [2023-11-24 22:58:58,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:58:58,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:58,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:58,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:58:58,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:58,708 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 22:58:59,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:59,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 81 states and 194 transitions. [2023-11-24 22:58:59,923 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 194 transitions. [2023-11-24 22:58:59,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:58:59,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:59,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:59,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:58:59,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-24 22:59:00,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:00,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 81 states and 193 transitions. [2023-11-24 22:59:00,904 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 193 transitions. [2023-11-24 22:59:00,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:59:00,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:00,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:00,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:59:00,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:59:04,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:04,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 91 states and 256 transitions. [2023-11-24 22:59:04,067 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 256 transitions. [2023-11-24 22:59:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:59:04,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:04,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:04,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:59:04,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-24 22:59:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:05,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 94 states and 264 transitions. [2023-11-24 22:59:05,333 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 264 transitions. [2023-11-24 22:59:05,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:59:05,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:05,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:05,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:59:05,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:05,423 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:59:06,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:06,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 94 states and 263 transitions. [2023-11-24 22:59:06,009 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 263 transitions. [2023-11-24 22:59:06,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:59:06,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:06,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:06,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:59:06,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:06,237 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:59:07,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 96 states and 271 transitions. [2023-11-24 22:59:07,470 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 271 transitions. [2023-11-24 22:59:07,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:59:07,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:07,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:07,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:59:07,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-24 22:59:09,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:09,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 98 states and 275 transitions. [2023-11-24 22:59:09,223 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 275 transitions. [2023-11-24 22:59:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:59:09,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:09,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:09,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:59:09,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:09,364 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-24 22:59:10,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:10,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 100 states and 277 transitions. [2023-11-24 22:59:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 277 transitions. [2023-11-24 22:59:10,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:59:10,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:10,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:10,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:59:10,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:10,943 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:59:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 106 states and 305 transitions. [2023-11-24 22:59:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 305 transitions. [2023-11-24 22:59:16,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:59:16,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:16,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:16,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:59:16,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:59:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 108 states and 306 transitions. [2023-11-24 22:59:18,777 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 306 transitions. [2023-11-24 22:59:18,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:59:18,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:18,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:18,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:59:18,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:19,009 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:59:22,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:22,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 111 states and 309 transitions. [2023-11-24 22:59:22,057 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 309 transitions. [2023-11-24 22:59:22,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:59:22,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:22,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:22,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 22:59:22,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 15 proven. 31 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.