./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i --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_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9 --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 aca8f035d06c0b5071d069d3e7dfc8602e7f38b097f4966dbc919eb2aff21501 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:25:08,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:25:08,977 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:25:08,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:25:08,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:25:09,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:25:09,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:25:09,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:25:09,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:25:09,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:25:09,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:25:09,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:25:09,010 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:25:09,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:25:09,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:25:09,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:25:09,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:25:09,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:25:09,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:25:09,013 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:25:09,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:25:09,014 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:25:09,015 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:25:09,015 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:25:09,016 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:25:09,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:25:09,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:25:09,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:25:09,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:25:09,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:25:09,018 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:25:09,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:25:09,019 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:25:09,019 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_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aca8f035d06c0b5071d069d3e7dfc8602e7f38b097f4966dbc919eb2aff21501 [2023-12-03 00:25:09,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:25:09,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:25:09,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:25:09,254 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:25:09,254 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:25:09,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2023-12-03 00:25:11,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:25:14,198 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:25:14,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2023-12-03 00:25:14,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9/data/7e6730f6a/6750df58493244278b7d34e53ca3b40f/FLAG1c2663a22 [2023-12-03 00:25:14,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9/data/7e6730f6a/6750df58493244278b7d34e53ca3b40f [2023-12-03 00:25:14,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:25:14,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:25:14,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:25:14,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:25:14,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:25:14,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:25:14" (1/1) ... [2023-12-03 00:25:14,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160ff4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:14, skipping insertion in model container [2023-12-03 00:25:14,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:25:14" (1/1) ... [2023-12-03 00:25:14,252 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:25:14,375 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_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i[950,963] [2023-12-03 00:25:14,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:25:14,399 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:25:14,409 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_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i[950,963] [2023-12-03 00:25:14,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:25:14,427 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:25:14,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:14 WrapperNode [2023-12-03 00:25:14,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:25:14,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:25:14,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:25:14,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:25:14,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:14" (1/1) ... [2023-12-03 00:25:14,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:14" (1/1) ... [2023-12-03 00:25:14,454 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-12-03 00:25:14,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:25:14,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:25:14,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:25:14,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:25:14,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:14" (1/1) ... [2023-12-03 00:25:14,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:14" (1/1) ... [2023-12-03 00:25:14,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:14" (1/1) ... [2023-12-03 00:25:14,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:14" (1/1) ... [2023-12-03 00:25:14,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:14" (1/1) ... [2023-12-03 00:25:14,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:14" (1/1) ... [2023-12-03 00:25:14,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:14" (1/1) ... [2023-12-03 00:25:14,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:14" (1/1) ... [2023-12-03 00:25:14,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:25:14,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:25:14,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:25:14,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:25:14,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:25:14" (1/1) ... [2023-12-03 00:25:14,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:25:14,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:25:14,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:25:14,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1589bd6e-d1d8-4c84-bb11-3e87eff533a2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:25:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:25:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:25:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:25:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:25:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:25:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:25:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:25:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:25:14,609 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:25:14,611 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:25:14,740 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:25:14,781 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:25:14,782 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:25:14,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:25:14 BoogieIcfgContainer [2023-12-03 00:25:14,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:25:14,784 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:25:14,784 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:25:14,792 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:25:14,792 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:25:14" (1/1) ... [2023-12-03 00:25:14,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:25:14,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:14,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-12-03 00:25:14,853 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-12-03 00:25:14,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:25:14,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:14,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:15,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:25:15,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:15,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:25:15,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:15,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-12-03 00:25:15,067 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-12-03 00:25:15,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:25:15,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:15,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:15,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:15,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:15,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:25:15,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:15,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-12-03 00:25:15,267 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-12-03 00:25:15,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:25:15,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:15,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:15,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 00:25:15,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:15,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:25:16,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:16,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 49 transitions. [2023-12-03 00:25:16,513 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2023-12-03 00:25:16,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:25:16,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:16,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:16,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:25:16,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:25:17,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:17,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 56 transitions. [2023-12-03 00:25:17,435 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2023-12-03 00:25:17,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 00:25:17,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:17,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:17,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:25:17,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:25:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:17,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 61 transitions. [2023-12-03 00:25:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2023-12-03 00:25:17,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:25:17,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:17,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:17,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:25:17,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:18,060 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:25:19,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:19,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 76 transitions. [2023-12-03 00:25:19,377 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2023-12-03 00:25:19,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:25:19,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:19,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:19,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:25:19,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:19,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:25:20,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:20,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 84 transitions. [2023-12-03 00:25:20,788 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2023-12-03 00:25:20,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:25:20,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:20,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:20,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:25:20,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:20,849 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:25:21,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 49 states and 90 transitions. [2023-12-03 00:25:21,834 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 90 transitions. [2023-12-03 00:25:21,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:25:21,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:21,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:21,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:25:21,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:25:22,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:22,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 51 states and 93 transitions. [2023-12-03 00:25:22,480 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2023-12-03 00:25:22,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:25:22,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:22,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:22,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:25:22,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:25:23,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:23,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 55 states and 100 transitions. [2023-12-03 00:25:23,424 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 100 transitions. [2023-12-03 00:25:23,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:25:23,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:23,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:23,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:25:23,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:25:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 108 transitions. [2023-12-03 00:25:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 108 transitions. [2023-12-03 00:25:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:25:23,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:23,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:23,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:25:23,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:25:24,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:24,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 112 transitions. [2023-12-03 00:25:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2023-12-03 00:25:24,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:25:24,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:24,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:24,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:24,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:25:27,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:27,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 66 states and 136 transitions. [2023-12-03 00:25:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 136 transitions. [2023-12-03 00:25:27,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:25:27,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:27,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:27,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:25:27,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:27,379 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:25:28,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:28,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 69 states and 151 transitions. [2023-12-03 00:25:28,432 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 151 transitions. [2023-12-03 00:25:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:25:28,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:28,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:28,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:25:28,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:25:28,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:28,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 70 states and 154 transitions. [2023-12-03 00:25:28,878 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 154 transitions. [2023-12-03 00:25:28,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:25:28,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:28,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:29,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 00:25:29,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:25:37,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:37,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 78 states and 193 transitions. [2023-12-03 00:25:37,615 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 193 transitions. [2023-12-03 00:25:37,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:25:37,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:37,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:38,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 00:25:38,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:38,556 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-03 00:25:40,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 84 states and 213 transitions. [2023-12-03 00:25:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 213 transitions. [2023-12-03 00:25:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:25:40,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:40,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:40,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 00:25:40,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:25:54,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:54,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 94 states and 247 transitions. [2023-12-03 00:25:54,345 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 247 transitions. [2023-12-03 00:25:54,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:25:54,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:54,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:54,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:25:54,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:56,431 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:26:11,756 WARN L293 SmtUtils]: Spent 9.78s on a formula simplification. DAG size of input: 32 DAG size of output: 25 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:26:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:17,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 102 states and 277 transitions. [2023-12-03 00:26:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 277 transitions. [2023-12-03 00:26:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:26:17,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:17,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:17,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:26:17,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:18,524 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:26:22,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:22,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 105 states and 288 transitions. [2023-12-03 00:26:22,322 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 288 transitions. [2023-12-03 00:26:22,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:26:22,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:22,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:22,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:26:22,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:35,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:26:38,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:38,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 105 states and 287 transitions. [2023-12-03 00:26:38,134 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 287 transitions. [2023-12-03 00:26:38,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:26:38,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:38,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:38,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:26:38,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:27:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:48,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 110 states and 296 transitions. [2023-12-03 00:27:48,929 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 296 transitions. [2023-12-03 00:27:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:27:48,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:48,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:48,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:27:48,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:49,957 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:27:56,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:56,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 113 states and 321 transitions. [2023-12-03 00:27:56,357 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 321 transitions. [2023-12-03 00:27:56,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:27:56,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:56,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:56,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:27:56,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:56,421 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:27:59,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:59,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 114 states and 323 transitions. [2023-12-03 00:27:59,586 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 323 transitions. [2023-12-03 00:27:59,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:27:59,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:59,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:59,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:27:59,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:28:01,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:01,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 115 states and 328 transitions. [2023-12-03 00:28:01,120 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 328 transitions. [2023-12-03 00:28:01,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:28:01,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:01,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:01,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 00:28:01,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-03 00:28:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 117 states and 329 transitions. [2023-12-03 00:28:04,766 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 329 transitions. [2023-12-03 00:28:04,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:28:04,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:04,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:12,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 00:28:12,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:12,129 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-03 00:28:14,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:14,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 119 states and 330 transitions. [2023-12-03 00:28:14,790 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 330 transitions. [2023-12-03 00:28:14,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:28:14,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:14,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:15,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 00:28:15,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:24,959 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:28:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:48,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 122 states and 346 transitions. [2023-12-03 00:28:48,813 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 346 transitions. [2023-12-03 00:28:48,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 00:28:48,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:48,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:50,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-03 00:28:50,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:15,177 WARN L293 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:34:00,066 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:12,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.95s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []