./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound5.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_6eeaaaaf-2801-4c83-af52-c7f91f76e918/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeaaaaf-2801-4c83-af52-c7f91f76e918/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_6eeaaaaf-2801-4c83-af52-c7f91f76e918/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeaaaaf-2801-4c83-af52-c7f91f76e918/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeaaaaf-2801-4c83-af52-c7f91f76e918/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_6eeaaaaf-2801-4c83-af52-c7f91f76e918/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 a9fbcd5bc820bcc72ba138482dd1579d30a89debbfe581511878d5fb87d021a2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:00:35,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:00:35,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeaaaaf-2801-4c83-af52-c7f91f76e918/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:00:35,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:00:35,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:00:36,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:00:36,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:00:36,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:00:36,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:00:36,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:00:36,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:00:36,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:00:36,021 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:00:36,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:00:36,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:00:36,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:00:36,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:00:36,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:00:36,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:00:36,025 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:00:36,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:00:36,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:00:36,027 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:00:36,027 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:00:36,028 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:00:36,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:00:36,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:00:36,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:00:36,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:00:36,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:00:36,031 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:00:36,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:00:36,031 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:00:36,032 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_6eeaaaaf-2801-4c83-af52-c7f91f76e918/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeaaaaf-2801-4c83-af52-c7f91f76e918/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9fbcd5bc820bcc72ba138482dd1579d30a89debbfe581511878d5fb87d021a2 [2023-11-19 03:00:36,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:00:36,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:00:36,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:00:36,359 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:00:36,360 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:00:36,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeaaaaf-2801-4c83-af52-c7f91f76e918/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound5.c [2023-11-19 03:00:39,465 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:00:39,748 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:00:39,749 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeaaaaf-2801-4c83-af52-c7f91f76e918/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound5.c [2023-11-19 03:00:39,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeaaaaf-2801-4c83-af52-c7f91f76e918/bin/ukojak-verify-G8NBE6pJGL/data/5339cfc68/9279262a9e754e57af46ef0a370371a3/FLAGde97cc70a [2023-11-19 03:00:39,782 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeaaaaf-2801-4c83-af52-c7f91f76e918/bin/ukojak-verify-G8NBE6pJGL/data/5339cfc68/9279262a9e754e57af46ef0a370371a3 [2023-11-19 03:00:39,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:00:39,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:00:39,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:00:39,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:00:39,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:00:39,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:00:39" (1/1) ... [2023-11-19 03:00:39,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb628b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:39, skipping insertion in model container [2023-11-19 03:00:39,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:00:39" (1/1) ... [2023-11-19 03:00:39,833 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:00:40,034 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_6eeaaaaf-2801-4c83-af52-c7f91f76e918/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound5.c[597,610] [2023-11-19 03:00:40,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:00:40,063 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:00:40,075 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_6eeaaaaf-2801-4c83-af52-c7f91f76e918/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound5.c[597,610] [2023-11-19 03:00:40,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:00:40,099 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:00:40,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:40 WrapperNode [2023-11-19 03:00:40,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:00:40,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:00:40,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:00:40,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:00:40,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:40" (1/1) ... [2023-11-19 03:00:40,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:40" (1/1) ... [2023-11-19 03:00:40,140 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-11-19 03:00:40,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:00:40,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:00:40,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:00:40,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:00:40,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:40" (1/1) ... [2023-11-19 03:00:40,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:40" (1/1) ... [2023-11-19 03:00:40,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:40" (1/1) ... [2023-11-19 03:00:40,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:40" (1/1) ... [2023-11-19 03:00:40,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:40" (1/1) ... [2023-11-19 03:00:40,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:40" (1/1) ... [2023-11-19 03:00:40,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:40" (1/1) ... [2023-11-19 03:00:40,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:40" (1/1) ... [2023-11-19 03:00:40,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:00:40,166 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:00:40,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:00:40,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:00:40,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:40" (1/1) ... [2023-11-19 03:00:40,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:00:40,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeaaaaf-2801-4c83-af52-c7f91f76e918/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:00:40,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeaaaaf-2801-4c83-af52-c7f91f76e918/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:00:40,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eeaaaaf-2801-4c83-af52-c7f91f76e918/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:00:40,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:00:40,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:00:40,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:00:40,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:00:40,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:00:40,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:00:40,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:00:40,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:00:40,313 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:00:40,315 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:00:40,473 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:00:40,515 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:00:40,515 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:00:40,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:40 BoogieIcfgContainer [2023-11-19 03:00:40,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:00:40,521 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:00:40,521 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:00:40,532 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:00:40,537 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:40" (1/1) ... [2023-11-19 03:00:40,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:00:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:40,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-19 03:00:40,652 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-19 03:00:40,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:00:40,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:40,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:40,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:00:40,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:41,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:00:41,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:41,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-11-19 03:00:41,271 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-19 03:00:41,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:00:41,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:41,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:41,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:00:41,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:41,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:00:41,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2023-11-19 03:00:41,788 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2023-11-19 03:00:41,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:00:41,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:41,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:41,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:00:41,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:42,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:00:43,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:43,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 53 transitions. [2023-11-19 03:00:43,646 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2023-11-19 03:00:43,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:00:43,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:43,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:43,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 03:00:43,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:00:47,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:47,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 71 transitions. [2023-11-19 03:00:47,171 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2023-11-19 03:00:47,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:00:47,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:47,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:47,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 03:00:47,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:47,705 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:00:48,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:48,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 77 transitions. [2023-11-19 03:00:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2023-11-19 03:00:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:00:48,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:48,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:49,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 03:00:49,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:00:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:52,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 47 states and 95 transitions. [2023-11-19 03:00:52,798 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 95 transitions. [2023-11-19 03:00:52,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:00:52,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:52,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:52,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:00:52,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:00:54,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:54,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 47 states and 94 transitions. [2023-11-19 03:00:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 94 transitions. [2023-11-19 03:00:54,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:00:54,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:54,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:54,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:00:54,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:00:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:58,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 51 states and 107 transitions. [2023-11-19 03:00:58,387 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 107 transitions. [2023-11-19 03:00:58,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:00:58,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:58,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:58,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:00:58,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:00,001 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:01:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:03,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 53 states and 112 transitions. [2023-11-19 03:01:03,832 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 112 transitions. [2023-11-19 03:01:03,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:01:03,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:03,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:03,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:01:03,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:01:09,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:09,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 57 states and 125 transitions. [2023-11-19 03:01:09,888 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 125 transitions. [2023-11-19 03:01:09,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:01:09,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:09,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:09,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-19 03:01:09,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:01:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:23,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 65 states and 158 transitions. [2023-11-19 03:01:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 158 transitions. [2023-11-19 03:01:23,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:01:23,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:23,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:23,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 03:01:23,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:25,503 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:01:26,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:26,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 67 states and 160 transitions. [2023-11-19 03:01:26,817 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 160 transitions. [2023-11-19 03:01:26,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:01:26,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:26,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:26,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 03:01:26,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:31,407 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 22 proven. 31 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.