./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a104afcb2f372aeba0c899855b97d8600d44f06bd857022208f4356fb9ab9902 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:26:59,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:26:59,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:26:59,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:26:59,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:26:59,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:26:59,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:26:59,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:26:59,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:26:59,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:26:59,524 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:26:59,525 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:26:59,525 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:26:59,531 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:26:59,532 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:26:59,532 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:26:59,533 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:26:59,534 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:26:59,534 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:26:59,535 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:26:59,535 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:26:59,536 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:26:59,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:26:59,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:26:59,538 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:26:59,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:26:59,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:26:59,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:26:59,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:26:59,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:26:59,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:26:59,542 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:26:59,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:26:59,543 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:26:59,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:26:59,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:26:59,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:26:59,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:26:59,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:26:59,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:26:59,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:26:59,545 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:26:59,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:26:59,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:26:59,546 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:26:59,546 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:26:59,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:26:59,547 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a104afcb2f372aeba0c899855b97d8600d44f06bd857022208f4356fb9ab9902 [2023-11-23 21:26:59,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:26:59,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:26:59,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:26:59,868 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:26:59,869 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:26:59,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-48.i [2023-11-23 21:27:03,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:27:03,360 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:27:03,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-48.i [2023-11-23 21:27:03,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/data/8d282ddc9/9fb7a95cb952427d93f6b837f85fc8af/FLAG7c927a2c1 [2023-11-23 21:27:03,392 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/data/8d282ddc9/9fb7a95cb952427d93f6b837f85fc8af [2023-11-23 21:27:03,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:27:03,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:27:03,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:03,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:27:03,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:27:03,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:03" (1/1) ... [2023-11-23 21:27:03,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eab26bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:03, skipping insertion in model container [2023-11-23 21:27:03,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:03" (1/1) ... [2023-11-23 21:27:03,456 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:27:03,606 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_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-48.i[915,928] [2023-11-23 21:27:03,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:03,700 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:27:03,714 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_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-48.i[915,928] [2023-11-23 21:27:03,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:03,796 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:27:03,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:03 WrapperNode [2023-11-23 21:27:03,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:03,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:03,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:27:03,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:27:03,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:03" (1/1) ... [2023-11-23 21:27:03,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:03" (1/1) ... [2023-11-23 21:27:03,889 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 225 [2023-11-23 21:27:03,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:03,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:27:03,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:27:03,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:27:03,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:03" (1/1) ... [2023-11-23 21:27:03,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:03" (1/1) ... [2023-11-23 21:27:03,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:03" (1/1) ... [2023-11-23 21:27:03,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:03" (1/1) ... [2023-11-23 21:27:03,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:03" (1/1) ... [2023-11-23 21:27:03,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:03" (1/1) ... [2023-11-23 21:27:03,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:03" (1/1) ... [2023-11-23 21:27:03,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:03" (1/1) ... [2023-11-23 21:27:03,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:27:03,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:27:03,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:27:03,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:27:03,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:03" (1/1) ... [2023-11-23 21:27:03,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:03,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:03,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:27:03,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:27:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:27:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:27:04,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:27:04,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:27:04,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:27:04,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:27:04,192 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:27:04,194 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:27:04,796 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:27:05,135 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:27:05,135 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:27:05,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:05 BoogieIcfgContainer [2023-11-23 21:27:05,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:27:05,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:27:05,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:27:05,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:27:05,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:27:03" (1/3) ... [2023-11-23 21:27:05,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a970151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:05, skipping insertion in model container [2023-11-23 21:27:05,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:03" (2/3) ... [2023-11-23 21:27:05,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a970151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:05, skipping insertion in model container [2023-11-23 21:27:05,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:05" (3/3) ... [2023-11-23 21:27:05,151 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-48.i [2023-11-23 21:27:05,177 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:27:05,178 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:27:05,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:27:05,254 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@257a741b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:27:05,254 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:27:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:27:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-23 21:27:05,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:05,277 INFO L195 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:05,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:05,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:05,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1081159626, now seen corresponding path program 1 times [2023-11-23 21:27:05,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:27:05,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028388508] [2023-11-23 21:27:05,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:05,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:27:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:27:06,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:27:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:27:06,616 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:27:06,619 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:27:06,621 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:27:06,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:27:06,629 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:27:06,634 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:27:06,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:27:06 BoogieIcfgContainer [2023-11-23 21:27:06,815 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:27:06,816 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:27:06,816 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:27:06,816 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:27:06,817 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:05" (3/4) ... [2023-11-23 21:27:06,819 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:27:06,820 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:27:06,822 INFO L158 Benchmark]: Toolchain (without parser) took 3425.00ms. Allocated memory is still 182.5MB. Free memory was 151.0MB in the beginning and 111.9MB in the end (delta: 39.0MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2023-11-23 21:27:06,823 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory was 82.6MB in the beginning and 82.5MB in the end (delta: 74.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:27:06,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.50ms. Allocated memory is still 182.5MB. Free memory was 150.6MB in the beginning and 135.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:27:06,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.60ms. Allocated memory is still 182.5MB. Free memory was 135.5MB in the beginning and 131.2MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:27:06,825 INFO L158 Benchmark]: Boogie Preprocessor took 51.90ms. Allocated memory is still 182.5MB. Free memory was 131.2MB in the beginning and 128.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:27:06,826 INFO L158 Benchmark]: RCFGBuilder took 1193.84ms. Allocated memory is still 182.5MB. Free memory was 128.8MB in the beginning and 137.7MB in the end (delta: -8.9MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2023-11-23 21:27:06,827 INFO L158 Benchmark]: TraceAbstraction took 1673.89ms. Allocated memory is still 182.5MB. Free memory was 136.8MB in the beginning and 113.0MB in the end (delta: 23.9MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2023-11-23 21:27:06,827 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 182.5MB. Free memory was 113.0MB in the beginning and 111.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:27:06,831 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory was 82.6MB in the beginning and 82.5MB in the end (delta: 74.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.50ms. Allocated memory is still 182.5MB. Free memory was 150.6MB in the beginning and 135.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.60ms. Allocated memory is still 182.5MB. Free memory was 135.5MB in the beginning and 131.2MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.90ms. Allocated memory is still 182.5MB. Free memory was 131.2MB in the beginning and 128.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1193.84ms. Allocated memory is still 182.5MB. Free memory was 128.8MB in the beginning and 137.7MB in the end (delta: -8.9MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1673.89ms. Allocated memory is still 182.5MB. Free memory was 136.8MB in the beginning and 113.0MB in the end (delta: 23.9MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 182.5MB. Free memory was 113.0MB in the beginning and 111.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of bitwiseOr at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 0.0; [L25] double var_1_4 = 128.2; [L26] double var_1_5 = 50.1; [L27] double var_1_6 = 64.5; [L28] unsigned short int var_1_7 = 1; [L29] unsigned char var_1_8 = 5; [L30] double var_1_9 = 15.35; [L31] unsigned char var_1_10 = 10; [L32] unsigned char var_1_11 = 2; [L33] signed long int var_1_12 = 32; [L34] signed long int var_1_13 = 256; [L35] signed char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 0; [L38] signed char var_1_17 = -64; [L39] unsigned short int var_1_18 = 64; [L40] unsigned short int var_1_20 = 8; [L41] unsigned short int var_1_21 = 10; [L42] signed long int var_1_22 = -256; [L43] signed long int var_1_23 = -128; [L44] signed short int var_1_24 = 4; [L45] signed short int var_1_25 = 64; [L46] unsigned long int var_1_26 = 16; [L47] unsigned char var_1_27 = 8; [L48] unsigned char var_1_28 = 0; [L49] unsigned char var_1_29 = 0; [L50] unsigned char var_1_30 = 0; [L51] signed char var_1_31 = -4; [L52] signed char var_1_32 = 2; [L53] signed char var_1_33 = 32; [L54] unsigned char last_1_var_1_8 = 5; [L55] unsigned short int last_1_var_1_18 = 64; [L199] isInitial = 1 [L200] FCALL initially() [L201] COND TRUE 1 [L202] CALL updateLastVariables() [L191] last_1_var_1_8 = var_1_8 [L192] last_1_var_1_18 = var_1_18 [L202] RET updateLastVariables() [L203] CALL updateVariables() [L133] var_1_2 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L135] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L136] var_1_3 = __VERIFIER_nondet_double() [L137] CALL assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L138] var_1_4 = __VERIFIER_nondet_double() [L139] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L140] var_1_5 = __VERIFIER_nondet_double() [L141] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L142] var_1_6 = __VERIFIER_nondet_double() [L143] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=1, var_1_8=5, var_1_9=307/20] [L144] var_1_7 = __VERIFIER_nondet_ushort() [L145] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_8=5, var_1_9=307/20] [L146] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5, var_1_9=307/20] [L147] var_1_9 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L149] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L150] var_1_10 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L152] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L153] var_1_11 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L155] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L156] var_1_15 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L158] CALL assume_abort_if_not(var_1_15 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_15 <= 255) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L159] var_1_16 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L161] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L162] var_1_17 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_17 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_17 >= -126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L164] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L165] var_1_21 = __VERIFIER_nondet_ushort() [L166] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L167] CALL assume_abort_if_not(var_1_21 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_21 <= 65534) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-128, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L168] var_1_23 = __VERIFIER_nondet_long() [L169] CALL assume_abort_if_not(var_1_23 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_23 >= -2147483647) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L170] CALL assume_abort_if_not(var_1_23 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_23 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=64, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L171] var_1_25 = __VERIFIER_nondet_short() [L172] CALL assume_abort_if_not(var_1_25 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_25 >= -32767) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L173] CALL assume_abort_if_not(var_1_25 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_25 <= 32766) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L174] var_1_28 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L176] CALL assume_abort_if_not(var_1_28 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_28 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=0, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L177] var_1_29 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L179] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L180] var_1_30 = __VERIFIER_nondet_uchar() [L181] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L182] CALL assume_abort_if_not(var_1_30 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_30=8, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_30 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_30=8, var_1_31=-4, var_1_32=2, var_1_33=32, var_1_7=4, var_1_8=5] [L183] var_1_32 = __VERIFIER_nondet_char() [L184] CALL assume_abort_if_not(var_1_32 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_30=8, var_1_31=-4, var_1_32=126, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_32 >= -1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_30=8, var_1_31=-4, var_1_32=126, var_1_33=32, var_1_7=4, var_1_8=5] [L185] CALL assume_abort_if_not(var_1_32 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_30=8, var_1_31=-4, var_1_32=126, var_1_33=32, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_32 <= 126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_30=8, var_1_31=-4, var_1_32=126, var_1_33=32, var_1_7=4, var_1_8=5] [L186] var_1_33 = __VERIFIER_nondet_char() [L187] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_30=8, var_1_31=-4, var_1_32=126, var_1_33=126, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_30=8, var_1_31=-4, var_1_32=126, var_1_33=126, var_1_7=4, var_1_8=5] [L188] CALL assume_abort_if_not(var_1_33 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_30=8, var_1_31=-4, var_1_32=126, var_1_33=126, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_33 <= 126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=4, var_1_25=32766, var_1_26=16, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_30=8, var_1_31=-4, var_1_32=126, var_1_33=126, var_1_7=4, var_1_8=5] [L203] RET updateVariables() [L204] CALL step() [L59] var_1_20 = var_1_21 [L60] COND FALSE !(var_1_20 < var_1_21) [L63] COND TRUE (~ var_1_20) != ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23))) [L64] var_1_24 = var_1_25 [L66] var_1_26 = var_1_20 [L67] EXPR var_1_25 | ((((-16) > (var_1_20)) ? (-16) : (var_1_20))) [L67] COND FALSE !(var_1_23 > (var_1_25 | ((((-16) > (var_1_20)) ? (-16) : (var_1_20))))) [L74] COND FALSE !(var_1_27 >= var_1_21) [L77] var_1_31 = ((((var_1_32) < (var_1_33)) ? (var_1_32) : (var_1_33))) [L79] COND TRUE \read(var_1_2) [L80] COND FALSE !(((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6)) [L83] var_1_1 = last_1_var_1_8 [L88] unsigned short int stepLocal_0 = var_1_1; [L89] COND FALSE !(var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9))))) [L92] COND FALSE !(stepLocal_0 <= var_1_7) [L95] var_1_8 = var_1_11 [L98] COND TRUE \read(var_1_2) [L99] COND FALSE !(-128 > var_1_10) [L109] signed long int stepLocal_1 = ((((var_1_15 - var_1_16)) > (var_1_12)) ? ((var_1_15 - var_1_16)) : (var_1_12)); [L110] COND FALSE !(var_1_10 == stepLocal_1) [L113] var_1_14 = var_1_17 [L115] COND TRUE \read(var_1_2) [L116] var_1_13 = var_1_11 [L118] COND TRUE var_1_8 == var_1_13 [L119] var_1_18 = (var_1_10 + ((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))) [L204] RET step() [L205] CALL, EXPR property() [L195-L196] return (((((var_1_2 ? ((((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6)) ? (var_1_1 == ((unsigned short int) (5 + last_1_var_1_8))) : (var_1_1 == ((unsigned short int) last_1_var_1_8))) : (var_1_1 == ((unsigned short int) 1))) && ((var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9))))) ? (var_1_8 == ((unsigned char) ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) : ((var_1_1 <= var_1_7) ? (var_1_8 == ((unsigned char) var_1_10)) : (var_1_8 == ((unsigned char) var_1_11))))) && (var_1_2 ? ((-128 > var_1_10) ? ((var_1_3 >= (2.75 / var_1_9)) ? (var_1_12 == ((signed long int) (var_1_11 + (last_1_var_1_18 + var_1_10)))) : (var_1_12 == ((signed long int) last_1_var_1_18))) : 1) : (var_1_12 == ((signed long int) last_1_var_1_18)))) && (var_1_2 ? (var_1_13 == ((signed long int) var_1_11)) : 1)) && ((var_1_10 == (((((var_1_15 - var_1_16)) > (var_1_12)) ? ((var_1_15 - var_1_16)) : (var_1_12)))) ? (var_1_14 == ((signed char) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : (var_1_14 == ((signed char) var_1_17)))) && ((var_1_8 == var_1_13) ? (var_1_18 == ((unsigned short int) (var_1_10 + ((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))))) : ((last_1_var_1_18 != var_1_16) ? ((-256 >= var_1_13) ? (var_1_18 == ((unsigned short int) var_1_16)) : (var_1_18 == ((unsigned short int) var_1_15))) : (var_1_18 == ((unsigned short int) var_1_10)))) ; [L205] RET, EXPR property() [L205] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=254, var_1_14=126, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=126, var_1_1=5, var_1_20=32765, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=32766, var_1_25=32766, var_1_26=32765, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_30=8, var_1_31=126, var_1_32=126, var_1_33=126, var_1_7=4, var_1_8=254] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=254, var_1_14=126, var_1_15=127, var_1_16=127, var_1_17=126, var_1_18=126, var_1_1=5, var_1_20=32765, var_1_21=32765, var_1_22=-256, var_1_23=-2147483647, var_1_24=32766, var_1_25=32766, var_1_26=32765, var_1_27=8, var_1_28=1, var_1_29=1, var_1_2=1, var_1_30=8, var_1_31=126, var_1_32=126, var_1_33=126, var_1_7=4, var_1_8=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 36, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:27:06,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a104afcb2f372aeba0c899855b97d8600d44f06bd857022208f4356fb9ab9902 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:27:09,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:27:09,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:27:09,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:27:09,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:27:09,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:27:09,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:27:09,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:27:09,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:27:09,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:27:09,660 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:27:09,661 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:27:09,661 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:27:09,663 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:27:09,664 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:27:09,664 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:27:09,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:27:09,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:27:09,666 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:27:09,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:27:09,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:27:09,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:27:09,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:27:09,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:27:09,669 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:27:09,669 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:27:09,670 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:27:09,670 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:27:09,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:27:09,671 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:27:09,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:27:09,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:27:09,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:27:09,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:27:09,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:09,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:27:09,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:27:09,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:27:09,679 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:27:09,680 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:27:09,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:27:09,680 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:27:09,681 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:27:09,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:27:09,681 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a104afcb2f372aeba0c899855b97d8600d44f06bd857022208f4356fb9ab9902 [2023-11-23 21:27:10,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:27:10,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:27:10,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:27:10,118 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:27:10,118 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:27:10,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-48.i [2023-11-23 21:27:13,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:27:13,793 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:27:13,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-48.i [2023-11-23 21:27:13,816 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/data/0654ee1a7/53fe2f587469401f906bd3c0b680638d/FLAG69a5fde84 [2023-11-23 21:27:13,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/data/0654ee1a7/53fe2f587469401f906bd3c0b680638d [2023-11-23 21:27:13,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:27:13,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:27:13,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:13,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:27:13,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:27:13,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:13" (1/1) ... [2023-11-23 21:27:13,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16048888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:13, skipping insertion in model container [2023-11-23 21:27:13,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:13" (1/1) ... [2023-11-23 21:27:13,909 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:27:14,151 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_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-48.i[915,928] [2023-11-23 21:27:14,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:14,307 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:27:14,329 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_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-48.i[915,928] [2023-11-23 21:27:14,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:14,473 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:27:14,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:14 WrapperNode [2023-11-23 21:27:14,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:14,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:14,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:27:14,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:27:14,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:14" (1/1) ... [2023-11-23 21:27:14,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:14" (1/1) ... [2023-11-23 21:27:14,587 INFO L138 Inliner]: procedures = 27, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-23 21:27:14,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:14,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:27:14,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:27:14,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:27:14,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:14" (1/1) ... [2023-11-23 21:27:14,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:14" (1/1) ... [2023-11-23 21:27:14,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:14" (1/1) ... [2023-11-23 21:27:14,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:14" (1/1) ... [2023-11-23 21:27:14,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:14" (1/1) ... [2023-11-23 21:27:14,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:14" (1/1) ... [2023-11-23 21:27:14,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:14" (1/1) ... [2023-11-23 21:27:14,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:14" (1/1) ... [2023-11-23 21:27:14,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:27:14,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:27:14,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:27:14,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:27:14,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:14" (1/1) ... [2023-11-23 21:27:14,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:14,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:14,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:27:14,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:27:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:27:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:27:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:27:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:27:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:27:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:27:14,933 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:27:14,937 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:27:30,252 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:27:30,325 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:27:30,326 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:27:30,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:30 BoogieIcfgContainer [2023-11-23 21:27:30,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:27:30,329 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:27:30,329 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:27:30,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:27:30,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:27:13" (1/3) ... [2023-11-23 21:27:30,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456758fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:30, skipping insertion in model container [2023-11-23 21:27:30,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:14" (2/3) ... [2023-11-23 21:27:30,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456758fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:30, skipping insertion in model container [2023-11-23 21:27:30,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:30" (3/3) ... [2023-11-23 21:27:30,337 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-48.i [2023-11-23 21:27:30,357 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:27:30,357 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:27:30,411 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:27:30,418 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@68086a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:27:30,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:27:30,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 50 states have (on average 1.44) internal successors, (72), 51 states have internal predecessors, (72), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:27:30,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-23 21:27:30,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:30,444 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:30,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:30,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:30,451 INFO L85 PathProgramCache]: Analyzing trace with hash -164129012, now seen corresponding path program 1 times [2023-11-23 21:27:30,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:27:30,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991802504] [2023-11-23 21:27:30,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:30,464 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:27:30,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:27:30,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:27:30,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:27:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:32,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:27:32,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:27:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1006 proven. 0 refuted. 0 times theorem prover too weak. 1514 trivial. 0 not checked. [2023-11-23 21:27:32,625 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:27:32,626 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:27:32,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991802504] [2023-11-23 21:27:32,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991802504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:32,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:32,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:27:32,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78477193] [2023-11-23 21:27:32,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:32,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:27:32,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:27:32,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:27:32,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:27:32,671 INFO L87 Difference]: Start difference. First operand has 89 states, 50 states have (on average 1.44) internal successors, (72), 51 states have internal predecessors, (72), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 21:27:35,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:27:35,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:27:35,237 INFO L93 Difference]: Finished difference Result 174 states and 320 transitions. [2023-11-23 21:27:35,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:27:35,403 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 218 [2023-11-23 21:27:35,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:27:35,413 INFO L225 Difference]: With dead ends: 174 [2023-11-23 21:27:35,413 INFO L226 Difference]: Without dead ends: 86 [2023-11-23 21:27:35,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:27:35,421 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:27:35,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2023-11-23 21:27:35,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-23 21:27:35,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-23 21:27:35,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:27:35,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 135 transitions. [2023-11-23 21:27:35,478 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 135 transitions. Word has length 218 [2023-11-23 21:27:35,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:27:35,479 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 135 transitions. [2023-11-23 21:27:35,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 21:27:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2023-11-23 21:27:35,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-23 21:27:35,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:35,487 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:35,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:27:35,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:27:35,702 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:35,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:35,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1953487340, now seen corresponding path program 1 times [2023-11-23 21:27:35,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:27:35,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528632149] [2023-11-23 21:27:35,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:35,705 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:27:35,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:27:35,706 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:27:35,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:27:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:37,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:27:37,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:27:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-23 21:27:37,773 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:27:37,774 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:27:37,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [528632149] [2023-11-23 21:27:37,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [528632149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:37,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:37,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:27:37,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544719490] [2023-11-23 21:27:37,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:37,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:27:37,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:27:37,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:27:37,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:27:37,786 INFO L87 Difference]: Start difference. First operand 86 states and 135 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:27:40,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:27:40,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:27:40,686 INFO L93 Difference]: Finished difference Result 208 states and 325 transitions. [2023-11-23 21:27:40,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:27:40,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 218 [2023-11-23 21:27:40,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:27:40,691 INFO L225 Difference]: With dead ends: 208 [2023-11-23 21:27:40,692 INFO L226 Difference]: Without dead ends: 123 [2023-11-23 21:27:40,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:27:40,695 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 92 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:27:40,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 270 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2023-11-23 21:27:40,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-23 21:27:40,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2023-11-23 21:27:40,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 63 states have (on average 1.2222222222222223) internal successors, (77), 64 states have internal predecessors, (77), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-23 21:27:40,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 189 transitions. [2023-11-23 21:27:40,728 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 189 transitions. Word has length 218 [2023-11-23 21:27:40,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:27:40,730 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 189 transitions. [2023-11-23 21:27:40,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:27:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 189 transitions. [2023-11-23 21:27:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-23 21:27:40,736 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:40,736 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:40,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:27:40,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:27:40,950 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:40,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:40,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1320411602, now seen corresponding path program 1 times [2023-11-23 21:27:40,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:27:40,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962601843] [2023-11-23 21:27:40,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:40,952 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:27:40,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:27:40,956 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:27:40,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:27:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:42,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:27:42,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:27:43,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-23 21:27:43,091 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:27:43,091 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:27:43,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962601843] [2023-11-23 21:27:43,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1962601843] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:43,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:43,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:27:43,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131781681] [2023-11-23 21:27:43,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:43,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:27:43,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:27:43,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:27:43,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:27:43,095 INFO L87 Difference]: Start difference. First operand 122 states and 189 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:27:45,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:27:48,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:27:50,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:27:50,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:27:50,533 INFO L93 Difference]: Finished difference Result 227 states and 349 transitions. [2023-11-23 21:27:50,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:27:50,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 218 [2023-11-23 21:27:50,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:27:50,548 INFO L225 Difference]: With dead ends: 227 [2023-11-23 21:27:50,550 INFO L226 Difference]: Without dead ends: 138 [2023-11-23 21:27:50,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:27:50,557 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 18 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:27:50,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 252 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 7.4s Time] [2023-11-23 21:27:50,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-23 21:27:50,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 129. [2023-11-23 21:27:50,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 71 states have internal predecessors, (87), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-23 21:27:50,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 199 transitions. [2023-11-23 21:27:50,597 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 199 transitions. Word has length 218 [2023-11-23 21:27:50,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:27:50,599 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 199 transitions. [2023-11-23 21:27:50,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:27:50,601 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 199 transitions. [2023-11-23 21:27:50,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-23 21:27:50,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:50,610 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:50,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:27:50,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:27:50,830 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:50,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:50,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1322258644, now seen corresponding path program 1 times [2023-11-23 21:27:50,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:27:50,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411143061] [2023-11-23 21:27:50,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:50,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:27:50,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:27:50,837 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:27:50,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e8274e-b4e6-4b4e-8bb6-e1dab95a7fb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:27:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:52,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:27:52,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:27:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-23 21:27:59,119 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:27:59,119 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:27:59,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [411143061] [2023-11-23 21:27:59,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [411143061] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:59,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:59,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:27:59,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406544450] [2023-11-23 21:27:59,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:59,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:27:59,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:27:59,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:27:59,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:27:59,123 INFO L87 Difference]: Start difference. First operand 129 states and 199 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:28:01,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []