./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.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_3eaba1b6-431c-415d-b933-8205687d3b20/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaba1b6-431c-415d-b933-8205687d3b20/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_3eaba1b6-431c-415d-b933-8205687d3b20/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaba1b6-431c-415d-b933-8205687d3b20/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaba1b6-431c-415d-b933-8205687d3b20/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_3eaba1b6-431c-415d-b933-8205687d3b20/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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:08,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:09,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaba1b6-431c-415d-b933-8205687d3b20/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:12:09,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:09,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:09,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:09,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:09,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:09,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:09,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:09,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:09,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:09,081 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:09,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:09,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:09,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:09,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:09,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:09,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:09,086 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:09,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:09,087 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:09,088 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:09,090 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:09,090 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:09,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:09,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:09,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:09,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:09,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:09,117 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:09,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:09,118 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:09,119 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_3eaba1b6-431c-415d-b933-8205687d3b20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaba1b6-431c-415d-b933-8205687d3b20/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2023-11-24 23:12:09,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:09,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:09,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:09,484 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:09,485 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:09,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaba1b6-431c-415d-b933-8205687d3b20/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c [2023-11-24 23:12:12,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:12,972 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:12,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaba1b6-431c-415d-b933-8205687d3b20/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c [2023-11-24 23:12:12,984 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaba1b6-431c-415d-b933-8205687d3b20/bin/ukojak-verify-afCqCEvfdi/data/8ced3c76e/3998daba8fd547f3a868744bc7ccb3ea/FLAG156e6acd4 [2023-11-24 23:12:13,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaba1b6-431c-415d-b933-8205687d3b20/bin/ukojak-verify-afCqCEvfdi/data/8ced3c76e/3998daba8fd547f3a868744bc7ccb3ea [2023-11-24 23:12:13,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:13,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:13,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:13,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:13,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:13,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:13" (1/1) ... [2023-11-24 23:12:13,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f5fe42e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:13, skipping insertion in model container [2023-11-24 23:12:13,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:13" (1/1) ... [2023-11-24 23:12:13,052 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:13,220 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_3eaba1b6-431c-415d-b933-8205687d3b20/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c[573,586] [2023-11-24 23:12:13,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:13,248 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:13,260 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_3eaba1b6-431c-415d-b933-8205687d3b20/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c[573,586] [2023-11-24 23:12:13,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:13,282 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:13,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:13 WrapperNode [2023-11-24 23:12:13,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:13,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:13,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:13,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:13,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:13" (1/1) ... [2023-11-24 23:12:13,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:13" (1/1) ... [2023-11-24 23:12:13,318 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-24 23:12:13,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:13,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:13,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:13,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:13,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:13" (1/1) ... [2023-11-24 23:12:13,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:13" (1/1) ... [2023-11-24 23:12:13,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:13" (1/1) ... [2023-11-24 23:12:13,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:13" (1/1) ... [2023-11-24 23:12:13,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:13" (1/1) ... [2023-11-24 23:12:13,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:13" (1/1) ... [2023-11-24 23:12:13,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:13" (1/1) ... [2023-11-24 23:12:13,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:13" (1/1) ... [2023-11-24 23:12:13,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:13,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:13,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:13,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:13,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:13" (1/1) ... [2023-11-24 23:12:13,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:13,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaba1b6-431c-415d-b933-8205687d3b20/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:13,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaba1b6-431c-415d-b933-8205687d3b20/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:13,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaba1b6-431c-415d-b933-8205687d3b20/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:12:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:12:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:12:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:12:13,507 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:13,510 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:13,655 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:13,703 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:13,704 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:12:13,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:13 BoogieIcfgContainer [2023-11-24 23:12:13,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:13,707 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:13,707 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:13,718 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:13,719 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:13" (1/1) ... [2023-11-24 23:12:13,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:13,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-24 23:12:13,789 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-24 23:12:13,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:12:13,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:13,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:13,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:12:13,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:12:14,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:14,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-24 23:12:14,045 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-24 23:12:14,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:12:14,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:14,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:14,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:12:14,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:14,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:12:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:14,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 28 transitions. [2023-11-24 23:12:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-24 23:12:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:12:14,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:14,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:14,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:12:14,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:15,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:15,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:15,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 37 transitions. [2023-11-24 23:12:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-24 23:12:15,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:12:15,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:15,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:15,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:12:15,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:15,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:16,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:16,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 44 transitions. [2023-11-24 23:12:16,508 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2023-11-24 23:12:16,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:12:16,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:16,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:16,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:12:16,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:17,219 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:12:17,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:17,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 50 transitions. [2023-11-24 23:12:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2023-11-24 23:12:17,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:12:17,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:17,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:18,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:12:18,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:19,074 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:12:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:20,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 56 transitions. [2023-11-24 23:12:20,344 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2023-11-24 23:12:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:12:20,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:20,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:20,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 23:12:20,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:22,018 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 17 proven. 27 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 23:12:25,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:25,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 80 transitions. [2023-11-24 23:12:25,875 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2023-11-24 23:12:25,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:12:25,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:25,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:25,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:12:25,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 23:12:29,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:29,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 86 transitions. [2023-11-24 23:12:29,052 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2023-11-24 23:12:29,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:12:29,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:29,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:29,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 23:12:29,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:31,175 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 20 proven. 49 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 23:12:33,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 93 transitions. [2023-11-24 23:12:33,821 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 93 transitions. [2023-11-24 23:12:33,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:12:33,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:33,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:33,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 23:12:33,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:35,586 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 23:12:38,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:38,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 53 states and 95 transitions. [2023-11-24 23:12:38,042 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 95 transitions. [2023-11-24 23:12:38,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:12:38,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:38,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:38,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 23:12:38,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:40,884 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 35 proven. 59 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-24 23:12:44,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:44,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 102 transitions. [2023-11-24 23:12:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 102 transitions. [2023-11-24 23:12:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:12:44,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:44,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:44,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 23:12:44,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:47,050 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-24 23:12:50,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:50,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 104 transitions. [2023-11-24 23:12:50,475 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2023-11-24 23:12:50,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 23:12:50,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:50,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:50,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:12:50,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:53,320 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 32 proven. 78 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-24 23:12:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 111 transitions. [2023-11-24 23:12:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2023-11-24 23:12:58,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 23:12:58,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:58,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:58,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:12:58,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 32 proven. 78 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-24 23:13:05,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:05,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 61 states and 113 transitions. [2023-11-24 23:13:05,297 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2023-11-24 23:13:05,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 23:13:05,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:05,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:05,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:13:05,435 INFO L285 TraceCheckSpWp]: Computing forward predicates...