./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL --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 7f61497696f0e412e267c342267f07f29bf3ce290f707b3aa1a4f0ac00ff0274 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:44:22,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:44:22,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:44:22,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:44:22,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:44:22,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:44:22,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:44:22,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:44:22,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:44:22,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:44:22,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:44:22,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:44:22,315 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:44:22,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:44:22,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:44:22,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:44:22,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:44:22,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:44:22,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:44:22,319 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:44:22,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:44:22,321 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:44:22,322 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:44:22,322 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:44:22,323 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:44:22,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:44:22,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:22,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:44:22,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:44:22,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:44:22,326 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:44:22,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:44:22,327 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:44:22,327 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_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f61497696f0e412e267c342267f07f29bf3ce290f707b3aa1a4f0ac00ff0274 [2023-11-19 03:44:22,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:44:22,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:44:22,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:44:22,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:44:22,724 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:44:22,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c [2023-11-19 03:44:26,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:44:26,773 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:44:26,774 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4e1e6a5-3541-45f5-a13c-83681820efd3/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c [2023-11-19 03:44:26,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL/data/77873b69a/c7b9b713942f44449d8585efd83538ec/FLAGa38ae7db5 [2023-11-19 03:44:26,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL/data/77873b69a/c7b9b713942f44449d8585efd83538ec [2023-11-19 03:44:26,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:44:26,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:44:26,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:26,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:44:26,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:44:26,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:26" (1/1) ... [2023-11-19 03:44:26,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c8ffd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:26, skipping insertion in model container [2023-11-19 03:44:26,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:26" (1/1) ... [2023-11-19 03:44:26,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:44:27,051 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_f4e1e6a5-3541-45f5-a13c-83681820efd3/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c[597,610] [2023-11-19 03:44:27,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:27,083 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:44:27,098 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_f4e1e6a5-3541-45f5-a13c-83681820efd3/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c[597,610] [2023-11-19 03:44:27,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:27,131 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:44:27,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:27 WrapperNode [2023-11-19 03:44:27,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:27,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:27,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:44:27,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:44:27,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:27" (1/1) ... [2023-11-19 03:44:27,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:27" (1/1) ... [2023-11-19 03:44:27,183 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-19 03:44:27,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:27,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:44:27,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:44:27,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:44:27,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:27" (1/1) ... [2023-11-19 03:44:27,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:27" (1/1) ... [2023-11-19 03:44:27,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:27" (1/1) ... [2023-11-19 03:44:27,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:27" (1/1) ... [2023-11-19 03:44:27,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:27" (1/1) ... [2023-11-19 03:44:27,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:27" (1/1) ... [2023-11-19 03:44:27,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:27" (1/1) ... [2023-11-19 03:44:27,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:27" (1/1) ... [2023-11-19 03:44:27,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:44:27,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:44:27,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:44:27,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:44:27,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:27" (1/1) ... [2023-11-19 03:44:27,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:27,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:44:27,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:44:27,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4e1e6a5-3541-45f5-a13c-83681820efd3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:44:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:44:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:44:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:44:27,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:44:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:44:27,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:44:27,375 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:44:27,378 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:44:27,564 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:44:27,616 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:44:27,616 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:44:27,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:27 BoogieIcfgContainer [2023-11-19 03:44:27,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:44:27,625 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:44:27,625 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:44:27,639 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:44:27,639 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:27" (1/1) ... [2023-11-19 03:44:27,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:44:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:27,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-19 03:44:27,720 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-19 03:44:27,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:44:27,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:27,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:27,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:44:27,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:28,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:28,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:28,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-19 03:44:28,398 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-19 03:44:28,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:44:28,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:28,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:28,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:44:28,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:28,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:28,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-19 03:44:28,925 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-19 03:44:28,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:44:28,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:28,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:28,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:44:29,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:29,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:29,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:29,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-11-19 03:44:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-19 03:44:29,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:44:29,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:29,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:29,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:44:29,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:30,187 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:31,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2023-11-19 03:44:31,001 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2023-11-19 03:44:31,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:44:31,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:31,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:31,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:44:31,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:31,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:33,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2023-11-19 03:44:33,222 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2023-11-19 03:44:33,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:44:33,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:33,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:33,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:44:33,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:44:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:36,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 41 states and 92 transitions. [2023-11-19 03:44:36,345 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 92 transitions. [2023-11-19 03:44:36,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:44:36,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:36,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:36,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:44:36,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:37,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:44:38,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:38,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 42 states and 94 transitions. [2023-11-19 03:44:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 94 transitions. [2023-11-19 03:44:38,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:44:38,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:38,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:38,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:44:38,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:44:41,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 45 states and 107 transitions. [2023-11-19 03:44:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 107 transitions. [2023-11-19 03:44:41,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:44:41,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:41,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:42,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:44:42,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:46,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:46,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 53 states and 144 transitions. [2023-11-19 03:44:46,848 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 144 transitions. [2023-11-19 03:44:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:44:46,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:46,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:46,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:44:46,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:46,927 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:47,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:47,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 54 states and 145 transitions. [2023-11-19 03:44:47,509 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 145 transitions. [2023-11-19 03:44:47,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:44:47,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:47,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:47,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:44:47,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:49,522 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:44:52,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:52,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 58 states and 174 transitions. [2023-11-19 03:44:52,926 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 174 transitions. [2023-11-19 03:44:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:44:52,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:52,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:52,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 03:44:52,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:54,332 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:44:56,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 58 states and 165 transitions. [2023-11-19 03:44:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 165 transitions. [2023-11-19 03:44:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:44:56,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:56,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:56,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:44:56,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:58,987 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:45:03,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:03,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 61 states and 185 transitions. [2023-11-19 03:45:03,282 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 185 transitions. [2023-11-19 03:45:03,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:45:03,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:03,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:03,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:45:03,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:09,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 65 states and 199 transitions. [2023-11-19 03:45:09,402 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 199 transitions. [2023-11-19 03:45:09,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:45:09,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:09,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:09,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:45:09,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:09,513 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:11,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:11,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 70 states and 233 transitions. [2023-11-19 03:45:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 233 transitions. [2023-11-19 03:45:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:45:11,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:11,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:11,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:45:11,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:14,652 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.