./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-97.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_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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_90588506-574e-4f2f-bfbf-343f73273f24/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 3f53fdf6ca4db9c394445a298126f4690093154391ea3c54a382de1efe21700c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:59,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:59,825 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:23:59,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:59,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:59,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:59,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:59,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:59,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:59,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:59,883 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:59,884 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:59,885 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:59,886 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:59,887 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:59,887 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:59,887 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:59,888 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:59,888 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:59,889 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:59,889 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:59,890 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:59,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:59,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:59,892 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:23:59,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:59,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:23:59,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:59,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:59,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:59,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:59,895 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:23:59,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:59,896 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:59,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:59,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:59,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:59,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:59,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:59,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:59,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:59,908 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:59,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:59,908 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:59,909 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:59,909 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:59,909 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:59,910 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_90588506-574e-4f2f-bfbf-343f73273f24/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f53fdf6ca4db9c394445a298126f4690093154391ea3c54a382de1efe21700c [2023-11-23 21:24:00,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:24:00,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:24:00,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:24:00,280 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:24:00,282 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:24:00,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-97.i [2023-11-23 21:24:03,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:24:03,633 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:24:03,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-97.i [2023-11-23 21:24:03,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/data/d31addb21/0c91c35d1c364e79bf2677e9f3d7d98c/FLAG3543b6afd [2023-11-23 21:24:03,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/data/d31addb21/0c91c35d1c364e79bf2677e9f3d7d98c [2023-11-23 21:24:03,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:24:03,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:24:03,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:03,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:24:03,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:24:03,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:03" (1/1) ... [2023-11-23 21:24:03,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6ce119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:03, skipping insertion in model container [2023-11-23 21:24:03,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:03" (1/1) ... [2023-11-23 21:24:03,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:24:03,865 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_90588506-574e-4f2f-bfbf-343f73273f24/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-97.i[919,932] [2023-11-23 21:24:03,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:03,967 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:24:03,984 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_90588506-574e-4f2f-bfbf-343f73273f24/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-97.i[919,932] [2023-11-23 21:24:04,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:04,080 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:24:04,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:04 WrapperNode [2023-11-23 21:24:04,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:04,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:04,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:24:04,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:24:04,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:04" (1/1) ... [2023-11-23 21:24:04,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:04" (1/1) ... [2023-11-23 21:24:04,169 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 297 [2023-11-23 21:24:04,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:04,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:24:04,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:24:04,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:24:04,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:04" (1/1) ... [2023-11-23 21:24:04,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:04" (1/1) ... [2023-11-23 21:24:04,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:04" (1/1) ... [2023-11-23 21:24:04,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:04" (1/1) ... [2023-11-23 21:24:04,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:04" (1/1) ... [2023-11-23 21:24:04,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:04" (1/1) ... [2023-11-23 21:24:04,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:04" (1/1) ... [2023-11-23 21:24:04,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:04" (1/1) ... [2023-11-23 21:24:04,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:24:04,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:24:04,244 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:24:04,244 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:24:04,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:04" (1/1) ... [2023-11-23 21:24:04,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:04,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:04,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:24:04,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:24:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:24:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:24:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:24:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:24:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:24:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:24:04,473 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:24:04,481 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:24:05,231 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:24:05,752 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:24:05,752 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:24:05,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:05 BoogieIcfgContainer [2023-11-23 21:24:05,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:24:05,757 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:24:05,757 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:24:05,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:24:05,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:24:03" (1/3) ... [2023-11-23 21:24:05,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@907c174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:05, skipping insertion in model container [2023-11-23 21:24:05,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:04" (2/3) ... [2023-11-23 21:24:05,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@907c174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:05, skipping insertion in model container [2023-11-23 21:24:05,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:05" (3/3) ... [2023-11-23 21:24:05,766 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-97.i [2023-11-23 21:24:05,786 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:24:05,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:24:05,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:24:05,860 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;@3fe5ebef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:24:05,861 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:24:05,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:24:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-23 21:24:05,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:05,884 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:24:05,885 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:05,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:05,893 INFO L85 PathProgramCache]: Analyzing trace with hash -126596387, now seen corresponding path program 1 times [2023-11-23 21:24:05,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:05,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551321720] [2023-11-23 21:24:05,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:05,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:06,137 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:24:06,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1420032611] [2023-11-23 21:24:06,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:06,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:24:06,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:06,140 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:24:06,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:24:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:24:06,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:24:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:24:06,863 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:24:06,866 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:24:06,867 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:24:06,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:07,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:24:07,096 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:24:07,099 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:24:07,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:24:07 BoogieIcfgContainer [2023-11-23 21:24:07,251 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:24:07,251 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:24:07,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:24:07,252 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:24:07,252 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:05" (3/4) ... [2023-11-23 21:24:07,254 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:24:07,255 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:24:07,256 INFO L158 Benchmark]: Toolchain (without parser) took 3592.19ms. Allocated memory was 127.9MB in the beginning and 180.4MB in the end (delta: 52.4MB). Free memory was 82.6MB in the beginning and 140.9MB in the end (delta: -58.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:24:07,257 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:24:07,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.15ms. Allocated memory is still 127.9MB. Free memory was 82.6MB in the beginning and 66.2MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:24:07,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.08ms. Allocated memory is still 127.9MB. Free memory was 66.2MB in the beginning and 60.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:24:07,259 INFO L158 Benchmark]: Boogie Preprocessor took 72.97ms. Allocated memory is still 127.9MB. Free memory was 60.5MB in the beginning and 57.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:24:07,260 INFO L158 Benchmark]: RCFGBuilder took 1510.76ms. Allocated memory was 127.9MB in the beginning and 180.4MB in the end (delta: 52.4MB). Free memory was 57.8MB in the beginning and 120.4MB in the end (delta: -62.6MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2023-11-23 21:24:07,260 INFO L158 Benchmark]: TraceAbstraction took 1493.83ms. Allocated memory is still 180.4MB. Free memory was 119.4MB in the beginning and 141.9MB in the end (delta: -22.6MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2023-11-23 21:24:07,261 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 180.4MB. Free memory was 141.9MB in the beginning and 140.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:24:07,264 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.15ms. Allocated memory is still 127.9MB. Free memory was 82.6MB in the beginning and 66.2MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.08ms. Allocated memory is still 127.9MB. Free memory was 66.2MB in the beginning and 60.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.97ms. Allocated memory is still 127.9MB. Free memory was 60.5MB in the beginning and 57.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1510.76ms. Allocated memory was 127.9MB in the beginning and 180.4MB in the end (delta: 52.4MB). Free memory was 57.8MB in the beginning and 120.4MB in the end (delta: -62.6MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1493.83ms. Allocated memory is still 180.4MB. Free memory was 119.4MB in the beginning and 141.9MB in the end (delta: -22.6MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 180.4MB. Free memory was 141.9MB in the beginning and 140.9MB 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 someBinaryFLOATComparisonOperation at line 59, overapproximation of bitwiseOr at line 106, overapproximation of someUnaryDOUBLEoperation at line 48, overapproximation of bitwiseAnd at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 2; [L23] signed long int var_1_5 = 5; [L24] unsigned char var_1_8 = 0; [L25] float var_1_9 = 128.6; [L26] float var_1_10 = 32.5; [L27] unsigned char var_1_11 = 16; [L28] unsigned char var_1_12 = 64; [L29] unsigned char var_1_13 = 4; [L30] unsigned char var_1_14 = 4; [L31] unsigned long int var_1_15 = 0; [L32] signed short int var_1_16 = 0; [L33] signed char var_1_17 = 1; [L34] signed char var_1_18 = -1; [L35] signed char var_1_19 = 0; [L36] signed long int var_1_20 = -64; [L37] unsigned char var_1_22 = 0; [L38] unsigned char var_1_23 = 0; [L39] signed short int var_1_24 = -4; [L40] signed char var_1_27 = 64; [L41] unsigned short int var_1_29 = 8; [L42] unsigned char var_1_30 = 16; [L43] unsigned short int var_1_33 = 48416; [L44] unsigned char var_1_35 = 4; [L45] unsigned char var_1_36 = 25; [L46] unsigned long int var_1_37 = 32; [L47] unsigned char var_1_38 = 8; [L48] double var_1_39 = -0.75; [L49] double var_1_40 = 31.75; [L50] double var_1_41 = 5.5; [L51] double var_1_42 = 32.5; [L52] signed char var_1_43 = 100; [L53] signed char var_1_44 = 50; [L54] signed char var_1_45 = 5; [L55] signed long int last_1_var_1_5 = 5; [L205] isInitial = 1 [L206] FCALL initially() [L207] COND TRUE 1 [L208] CALL updateLastVariables() [L198] last_1_var_1_5 = var_1_5 [L208] RET updateLastVariables() [L209] CALL updateVariables() [L144] var_1_9 = __VERIFIER_nondet_float() [L145] 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_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L145] 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_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L146] var_1_10 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L148] var_1_11 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L150] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L151] var_1_12 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_12 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_12 >= 63) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L153] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L154] var_1_13 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L156] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L157] var_1_14 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L159] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L160] var_1_18 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L162] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L163] var_1_19 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_19 >= -15) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_19 >= -15) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L165] CALL assume_abort_if_not(var_1_19 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_19 <= 16) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L166] var_1_23 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L168] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L169] var_1_27 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_27 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_27 >= -127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L171] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L172] var_1_30 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L174] CALL assume_abort_if_not(var_1_30 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_30 <= 255) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L175] CALL assume_abort_if_not(var_1_30 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_30 != 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L176] var_1_33 = __VERIFIER_nondet_ushort() [L177] CALL assume_abort_if_not(var_1_33 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_33 >= 32767) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L178] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L179] var_1_36 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L181] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L182] var_1_39 = __VERIFIER_nondet_double() [L183] CALL assume_abort_if_not((var_1_39 >= -922337.2036854776000e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854776000e+12F && var_1_39 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not((var_1_39 >= -922337.2036854776000e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854776000e+12F && var_1_39 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L184] var_1_40 = __VERIFIER_nondet_double() [L185] CALL assume_abort_if_not((var_1_40 >= 0.0F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not((var_1_40 >= 0.0F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L186] var_1_41 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854776000e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854776000e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L188] var_1_42 = __VERIFIER_nondet_double() [L189] CALL assume_abort_if_not((var_1_42 >= -922337.2036854776000e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854776000e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not((var_1_42 >= -922337.2036854776000e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854776000e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L190] var_1_44 = __VERIFIER_nondet_char() [L191] CALL assume_abort_if_not(var_1_44 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_44 >= -1) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=5, var_1_5=5, var_1_8=0] [L192] CALL assume_abort_if_not(var_1_44 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_44 <= 126) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=5, var_1_5=5, var_1_8=0] [L193] var_1_45 = __VERIFIER_nondet_char() [L194] CALL assume_abort_if_not(var_1_45 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=0, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_45 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=0, var_1_5=5, var_1_8=0] [L195] CALL assume_abort_if_not(var_1_45 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=0, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_45 <= 126) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=-1, var_1_45=0, var_1_5=5, var_1_8=0] [L209] RET updateVariables() [L210] CALL step() [L59] COND FALSE !(var_1_9 > var_1_10) [L62] COND TRUE ((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))) >= var_1_20 [L63] var_1_37 = var_1_15 [L65] var_1_20 = var_1_8 [L66] var_1_22 = var_1_23 [L67] COND TRUE (var_1_15 / var_1_30) < var_1_27 [L68] var_1_29 = var_1_30 [L72] COND TRUE (var_1_39 * (var_1_40 - var_1_41)) >= var_1_42 [L73] COND TRUE (~ var_1_36) <= (((((((var_1_8) < (var_1_20)) ? (var_1_8) : (var_1_20))) < 0 ) ? -((((var_1_8) < (var_1_20)) ? (var_1_8) : (var_1_20))) : ((((var_1_8) < (var_1_20)) ? (var_1_8) : (var_1_20))))) [L74] var_1_38 = var_1_36 [L81] COND FALSE !(\read(var_1_22)) [L84] COND FALSE !(\read(var_1_22)) [L89] var_1_24 = ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) [L91] COND FALSE !(\read(var_1_22)) [L94] var_1_16 = (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11) [L95] COND FALSE !(\read(var_1_22)) [L102] var_1_17 = -32 [L104] COND FALSE !(((((var_1_39) > (64.75f)) ? (var_1_39) : (64.75f))) <= var_1_40) [L111] var_1_43 = var_1_44 [L113] unsigned long int stepLocal_1 = var_1_20 + var_1_15; [L114] signed long int stepLocal_0 = var_1_20; [L115] COND TRUE stepLocal_1 < -200 [L116] COND FALSE !(\read(var_1_22)) [L123] var_1_1 = var_1_20 [L128] signed long int stepLocal_4 = 256; [L129] unsigned char stepLocal_3 = var_1_22; [L130] unsigned long int stepLocal_2 = var_1_15; [L131] COND FALSE !(stepLocal_4 > (var_1_15 - (last_1_var_1_5 + var_1_8))) [L134] COND FALSE !(stepLocal_3 || var_1_22) [L139] var_1_5 = -10000 [L210] RET step() [L211] CALL, EXPR property() [L201] EXPR (((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)))) [L201] EXPR (256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))) [L201] EXPR (var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)) [L201] EXPR (256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))) [L201] EXPR (((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)))) [L201] EXPR (((((((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_22 ? (var_1_15 == ((unsigned long int) var_1_8)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_22 ? ((var_1_14 < (var_1_13 & (var_1_15 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32))) [L201-L202] return (((((((((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_22 ? (var_1_15 == ((unsigned long int) var_1_8)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_22 ? ((var_1_14 < (var_1_13 & (var_1_15 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32)))) && (var_1_20 == ((signed long int) var_1_8))) && (var_1_22 == ((unsigned char) var_1_23)) ; [L211] RET, EXPR property() [L211] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_27=1, var_1_29=255, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=0, var_1_38=0, var_1_43=-1, var_1_44=-1, var_1_45=0, var_1_5=-10000, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=127, var_1_13=60, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_27=1, var_1_29=255, var_1_30=255, var_1_33=32767, var_1_35=4, var_1_36=0, var_1_37=0, var_1_38=0, var_1_43=-1, var_1_44=-1, var_1_45=0, var_1_5=-10000, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 33, 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=61occurred 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 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 21:24:07,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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_90588506-574e-4f2f-bfbf-343f73273f24/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 3f53fdf6ca4db9c394445a298126f4690093154391ea3c54a382de1efe21700c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:24:10,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:24:10,212 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:24:10,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:24:10,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:24:10,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:24:10,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:24:10,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:24:10,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:24:10,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:24:10,280 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:24:10,281 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:24:10,282 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:24:10,283 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:24:10,284 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:24:10,284 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:24:10,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:24:10,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:24:10,287 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:24:10,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:24:10,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:24:10,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:24:10,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:24:10,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:24:10,291 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:24:10,291 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:24:10,292 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:24:10,292 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:24:10,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:24:10,293 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:24:10,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:24:10,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:24:10,295 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:24:10,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:24:10,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:10,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:24:10,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:24:10,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:24:10,298 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:24:10,299 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:24:10,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:24:10,299 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:24:10,300 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:24:10,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:24:10,301 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_90588506-574e-4f2f-bfbf-343f73273f24/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f53fdf6ca4db9c394445a298126f4690093154391ea3c54a382de1efe21700c [2023-11-23 21:24:10,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:24:10,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:24:10,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:24:10,746 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:24:10,746 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:24:10,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-97.i [2023-11-23 21:24:13,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:24:14,303 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:24:14,304 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-97.i [2023-11-23 21:24:14,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/data/17408e144/ceedc9ffbb0a41e782beae2aa56393f8/FLAG23bc40c4b [2023-11-23 21:24:14,330 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/data/17408e144/ceedc9ffbb0a41e782beae2aa56393f8 [2023-11-23 21:24:14,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:24:14,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:24:14,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:14,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:24:14,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:24:14,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:14" (1/1) ... [2023-11-23 21:24:14,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795c1147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:14, skipping insertion in model container [2023-11-23 21:24:14,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:14" (1/1) ... [2023-11-23 21:24:14,381 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:24:14,577 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_90588506-574e-4f2f-bfbf-343f73273f24/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-97.i[919,932] [2023-11-23 21:24:14,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:14,750 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:24:14,770 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_90588506-574e-4f2f-bfbf-343f73273f24/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-97.i[919,932] [2023-11-23 21:24:14,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:14,873 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:24:14,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:14 WrapperNode [2023-11-23 21:24:14,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:14,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:14,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:24:14,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:24:14,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:14" (1/1) ... [2023-11-23 21:24:14,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:14" (1/1) ... [2023-11-23 21:24:14,969 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 210 [2023-11-23 21:24:14,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:14,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:24:14,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:24:14,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:24:14,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:14" (1/1) ... [2023-11-23 21:24:14,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:14" (1/1) ... [2023-11-23 21:24:15,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:14" (1/1) ... [2023-11-23 21:24:15,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:14" (1/1) ... [2023-11-23 21:24:15,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:14" (1/1) ... [2023-11-23 21:24:15,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:14" (1/1) ... [2023-11-23 21:24:15,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:14" (1/1) ... [2023-11-23 21:24:15,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:14" (1/1) ... [2023-11-23 21:24:15,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:24:15,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:24:15,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:24:15,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:24:15,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:14" (1/1) ... [2023-11-23 21:24:15,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:15,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:15,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:24:15,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:24:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:24:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:24:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:24:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:24:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:24:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:24:15,292 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:24:15,294 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:24:20,022 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:24:20,084 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:24:20,084 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:24:20,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:20 BoogieIcfgContainer [2023-11-23 21:24:20,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:24:20,087 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:24:20,087 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:24:20,091 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:24:20,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:24:14" (1/3) ... [2023-11-23 21:24:20,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361d784a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:20, skipping insertion in model container [2023-11-23 21:24:20,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:14" (2/3) ... [2023-11-23 21:24:20,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361d784a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:20, skipping insertion in model container [2023-11-23 21:24:20,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:20" (3/3) ... [2023-11-23 21:24:20,094 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-97.i [2023-11-23 21:24:20,114 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:24:20,114 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:24:20,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:24:20,178 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;@71473e1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:24:20,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:24:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:24:20,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-23 21:24:20,212 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:20,213 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:24:20,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:20,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:20,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1190670947, now seen corresponding path program 1 times [2023-11-23 21:24:20,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:20,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [54230196] [2023-11-23 21:24:20,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:20,238 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 21:24:20,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:20,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 21:24:20,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 21:24:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:20,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:24:20,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:21,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 988 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2023-11-23 21:24:21,057 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:24:21,058 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:24:21,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [54230196] [2023-11-23 21:24:21,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [54230196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:21,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:21,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:24:21,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002478139] [2023-11-23 21:24:21,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:21,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:24:21,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:24:21,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:24:21,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:24:21,102 INFO L87 Difference]: Start difference. First operand has 89 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-23 21:24:21,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:21,174 INFO L93 Difference]: Finished difference Result 175 states and 319 transitions. [2023-11-23 21:24:21,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:24:21,179 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 204 [2023-11-23 21:24:21,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:21,195 INFO L225 Difference]: With dead ends: 175 [2023-11-23 21:24:21,195 INFO L226 Difference]: Without dead ends: 87 [2023-11-23 21:24:21,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 203 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 21:24:21,211 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:21,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:24:21,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-23 21:24:21,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-23 21:24:21,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:24:21,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 139 transitions. [2023-11-23 21:24:21,292 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 139 transitions. Word has length 204 [2023-11-23 21:24:21,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:21,293 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 139 transitions. [2023-11-23 21:24:21,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-23 21:24:21,295 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2023-11-23 21:24:21,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-23 21:24:21,309 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:21,310 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:24:21,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 21:24:21,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 21:24:21,527 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:21,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:21,529 INFO L85 PathProgramCache]: Analyzing trace with hash 119116559, now seen corresponding path program 1 times [2023-11-23 21:24:21,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:21,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [775863932] [2023-11-23 21:24:21,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:21,530 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 21:24:21,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:21,532 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 21:24:21,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 21:24:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:22,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:24:22,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1082 proven. 51 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2023-11-23 21:24:23,229 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:24:23,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 45 proven. 51 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-11-23 21:24:23,943 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:24:23,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [775863932] [2023-11-23 21:24:23,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [775863932] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:24:23,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [13764650] [2023-11-23 21:24:23,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:23,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:24:23,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:24:23,948 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:24:23,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:24:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:24,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:24:24,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:24,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-23 21:24:24,471 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:24:24,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [13764650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:24,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:24:24,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 9 [2023-11-23 21:24:24,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728373523] [2023-11-23 21:24:24,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:24,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:24:24,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:24:24,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:24:24,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:24:24,477 INFO L87 Difference]: Start difference. First operand 87 states and 139 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:24:24,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:24,696 INFO L93 Difference]: Finished difference Result 252 states and 401 transitions. [2023-11-23 21:24:24,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:24:24,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-11-23 21:24:24,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:24,709 INFO L225 Difference]: With dead ends: 252 [2023-11-23 21:24:24,709 INFO L226 Difference]: Without dead ends: 166 [2023-11-23 21:24:24,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 601 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:24:24,714 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 121 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:24,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 360 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:24:24,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-23 21:24:24,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 100. [2023-11-23 21:24:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 65 states have (on average 1.4) internal successors, (91), 65 states have internal predecessors, (91), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:24:24,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 157 transitions. [2023-11-23 21:24:24,764 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 157 transitions. Word has length 204 [2023-11-23 21:24:24,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:24,767 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 157 transitions. [2023-11-23 21:24:24,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:24:24,768 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 157 transitions. [2023-11-23 21:24:24,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-23 21:24:24,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:24,773 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:24:24,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-23 21:24:24,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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)] Ended with exit code 0 [2023-11-23 21:24:25,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 21:24:25,179 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:25,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:25,180 INFO L85 PathProgramCache]: Analyzing trace with hash 233375123, now seen corresponding path program 1 times [2023-11-23 21:24:25,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:25,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877872816] [2023-11-23 21:24:25,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:25,182 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 21:24:25,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:25,187 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 21:24:25,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 21:24:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:25,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:24:25,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:27,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-23 21:24:27,534 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:24:27,534 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:24:27,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877872816] [2023-11-23 21:24:27,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877872816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:27,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:27,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:24:27,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710402335] [2023-11-23 21:24:27,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:27,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:24:27,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:24:27,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:24:27,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:24:27,540 INFO L87 Difference]: Start difference. First operand 100 states and 157 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:24:29,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:29,102 INFO L93 Difference]: Finished difference Result 357 states and 562 transitions. [2023-11-23 21:24:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:24:29,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-11-23 21:24:29,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:29,107 INFO L225 Difference]: With dead ends: 357 [2023-11-23 21:24:29,108 INFO L226 Difference]: Without dead ends: 258 [2023-11-23 21:24:29,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:24:29,110 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 139 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:29,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 589 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 21:24:29,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2023-11-23 21:24:29,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 196. [2023-11-23 21:24:29,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 127 states have (on average 1.3779527559055118) internal successors, (175), 127 states have internal predecessors, (175), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-23 21:24:29,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 307 transitions. [2023-11-23 21:24:29,147 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 307 transitions. Word has length 204 [2023-11-23 21:24:29,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:29,148 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 307 transitions. [2023-11-23 21:24:29,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:24:29,149 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 307 transitions. [2023-11-23 21:24:29,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-23 21:24:29,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:29,152 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:24:29,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:29,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 21:24:29,365 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:29,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:29,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1044706276, now seen corresponding path program 1 times [2023-11-23 21:24:29,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:29,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1562413365] [2023-11-23 21:24:29,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:29,367 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 21:24:29,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:29,368 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 21:24:29,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 (6)] Waiting until timeout for monitored process [2023-11-23 21:24:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:29,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:24:29,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:33,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-23 21:24:33,200 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:24:33,201 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:24:33,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1562413365] [2023-11-23 21:24:33,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1562413365] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:33,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:33,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:24:33,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756367323] [2023-11-23 21:24:33,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:33,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:24:33,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:24:33,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:24:33,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:24:33,205 INFO L87 Difference]: Start difference. First operand 196 states and 307 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:24:34,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:34,337 INFO L93 Difference]: Finished difference Result 495 states and 770 transitions. [2023-11-23 21:24:34,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:24:34,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2023-11-23 21:24:34,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:34,349 INFO L225 Difference]: With dead ends: 495 [2023-11-23 21:24:34,350 INFO L226 Difference]: Without dead ends: 300 [2023-11-23 21:24:34,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:24:34,352 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 99 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:34,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 415 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 21:24:34,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2023-11-23 21:24:34,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 292. [2023-11-23 21:24:34,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 189 states have (on average 1.3597883597883598) internal successors, (257), 189 states have internal predecessors, (257), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-11-23 21:24:34,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 455 transitions. [2023-11-23 21:24:34,410 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 455 transitions. Word has length 205 [2023-11-23 21:24:34,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:34,411 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 455 transitions. [2023-11-23 21:24:34,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:24:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 455 transitions. [2023-11-23 21:24:34,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-23 21:24:34,414 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:34,415 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:24:34,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:34,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 21:24:34,634 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:34,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:34,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1847358420, now seen corresponding path program 1 times [2023-11-23 21:24:34,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:34,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [887675700] [2023-11-23 21:24:34,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:34,636 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 21:24:34,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:34,637 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 21:24:34,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 (7)] Waiting until timeout for monitored process [2023-11-23 21:24:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:35,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:24:35,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:35,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1082 proven. 51 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2023-11-23 21:24:35,947 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:24:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 45 proven. 51 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-11-23 21:24:36,545 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:24:36,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [887675700] [2023-11-23 21:24:36,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [887675700] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:24:36,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [44756536] [2023-11-23 21:24:36,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:36,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:24:36,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:24:36,547 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:24:36,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-23 21:24:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:37,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:24:37,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-23 21:24:38,018 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:24:38,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [44756536] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:38,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:24:38,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6] total 11 [2023-11-23 21:24:38,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652361149] [2023-11-23 21:24:38,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:38,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:24:38,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:24:38,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:24:38,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:24:38,020 INFO L87 Difference]: Start difference. First operand 292 states and 455 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:24:40,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:40,097 INFO L93 Difference]: Finished difference Result 553 states and 865 transitions. [2023-11-23 21:24:40,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:24:40,100 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2023-11-23 21:24:40,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:40,105 INFO L225 Difference]: With dead ends: 553 [2023-11-23 21:24:40,105 INFO L226 Difference]: Without dead ends: 454 [2023-11-23 21:24:40,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 606 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-23 21:24:40,107 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 208 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:40,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 844 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-23 21:24:40,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2023-11-23 21:24:40,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 386. [2023-11-23 21:24:40,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 249 states have (on average 1.3453815261044177) internal successors, (335), 249 states have internal predecessors, (335), 132 states have call successors, (132), 4 states have call predecessors, (132), 4 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2023-11-23 21:24:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 599 transitions. [2023-11-23 21:24:40,183 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 599 transitions. Word has length 206 [2023-11-23 21:24:40,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:40,184 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 599 transitions. [2023-11-23 21:24:40,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:24:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 599 transitions. [2023-11-23 21:24:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-23 21:24:40,187 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:40,187 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:24:40,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:40,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:40,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:24:40,601 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:40,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:40,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1972743604, now seen corresponding path program 1 times [2023-11-23 21:24:40,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:40,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [924776644] [2023-11-23 21:24:40,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:40,603 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 21:24:40,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:40,604 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 21:24:40,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90588506-574e-4f2f-bfbf-343f73273f24/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 (9)] Waiting until timeout for monitored process [2023-11-23 21:24:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:41,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 21:24:41,143 INFO L285 TraceCheckSpWp]: Computing forward predicates...