./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/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_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/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_3efe58a3-6378-411c-a5db-99a69c478a25/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 ff439d451ea5239fcd422e57095277326040cd655d63b9fd77234418a0fe1463 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:56,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:56,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:12:56,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:56,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:56,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:56,508 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:56,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:56,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:56,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:56,511 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:56,512 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:56,513 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:56,514 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:56,514 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:56,515 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:56,516 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:56,516 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:56,517 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:56,518 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:56,518 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:56,519 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:56,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:56,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:56,522 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:12:56,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:56,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:12:56,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:56,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:56,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:56,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:56,526 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:12:56,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:56,527 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:56,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:56,528 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:56,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:56,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:56,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:56,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:56,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:56,531 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:56,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:56,532 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:56,532 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:56,533 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:56,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:56,533 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_3efe58a3-6378-411c-a5db-99a69c478a25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff439d451ea5239fcd422e57095277326040cd655d63b9fd77234418a0fe1463 [2023-11-23 21:12:56,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:56,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:56,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:56,882 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:56,883 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:56,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-7.i [2023-11-23 21:13:00,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:00,429 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:00,430 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-7.i [2023-11-23 21:13:00,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/data/260d7940e/1abe59e79d9d43f4ac825c01b1c29a81/FLAG08821e9ed [2023-11-23 21:13:00,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/data/260d7940e/1abe59e79d9d43f4ac825c01b1c29a81 [2023-11-23 21:13:00,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:00,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:00,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:00,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:00,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:00,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:00" (1/1) ... [2023-11-23 21:13:00,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f95f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:00, skipping insertion in model container [2023-11-23 21:13:00,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:00" (1/1) ... [2023-11-23 21:13:00,532 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:00,726 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_3efe58a3-6378-411c-a5db-99a69c478a25/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-7.i[912,925] [2023-11-23 21:13:00,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:00,813 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:00,832 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_3efe58a3-6378-411c-a5db-99a69c478a25/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-7.i[912,925] [2023-11-23 21:13:00,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:00,915 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:00,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:00 WrapperNode [2023-11-23 21:13:00,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:00,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:00,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:00,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:00,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:00" (1/1) ... [2023-11-23 21:13:00,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:00" (1/1) ... [2023-11-23 21:13:01,007 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2023-11-23 21:13:01,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:01,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:01,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:01,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:01,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:00" (1/1) ... [2023-11-23 21:13:01,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:00" (1/1) ... [2023-11-23 21:13:01,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:00" (1/1) ... [2023-11-23 21:13:01,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:00" (1/1) ... [2023-11-23 21:13:01,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:00" (1/1) ... [2023-11-23 21:13:01,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:00" (1/1) ... [2023-11-23 21:13:01,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:00" (1/1) ... [2023-11-23 21:13:01,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:00" (1/1) ... [2023-11-23 21:13:01,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:01,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:01,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:01,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:01,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:00" (1/1) ... [2023-11-23 21:13:01,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:01,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:01,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:01,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:13:01,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:13:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:13:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:01,288 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:01,291 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:01,674 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:01,843 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:01,843 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:13:01,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:01 BoogieIcfgContainer [2023-11-23 21:13:01,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:01,848 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:01,848 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:01,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:01,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:00" (1/3) ... [2023-11-23 21:13:01,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a62093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:01, skipping insertion in model container [2023-11-23 21:13:01,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:00" (2/3) ... [2023-11-23 21:13:01,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a62093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:01, skipping insertion in model container [2023-11-23 21:13:01,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:01" (3/3) ... [2023-11-23 21:13:01,859 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-7.i [2023-11-23 21:13:01,881 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:01,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:13:01,939 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:01,945 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;@42cdc9c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:01,945 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:13:01,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 21:13:01,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 21:13:01,967 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:01,968 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:01,970 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:01,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:01,977 INFO L85 PathProgramCache]: Analyzing trace with hash -673125110, now seen corresponding path program 1 times [2023-11-23 21:13:01,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:01,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257534002] [2023-11-23 21:13:01,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:01,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:13:02,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:13:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:13:02,776 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:13:02,778 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:13:02,780 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:13:02,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:13:02,787 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:13:02,791 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:13:02,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:13:02 BoogieIcfgContainer [2023-11-23 21:13:02,878 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:13:02,879 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:13:02,879 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:13:02,879 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:13:02,880 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:01" (3/4) ... [2023-11-23 21:13:02,882 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:13:02,884 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:13:02,885 INFO L158 Benchmark]: Toolchain (without parser) took 2414.69ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 60.5MB in the end (delta: 60.5MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2023-11-23 21:13:02,886 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:02,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.35ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 106.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:13:02,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.13ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 103.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:13:02,888 INFO L158 Benchmark]: Boogie Preprocessor took 53.01ms. Allocated memory is still 167.8MB. Free memory was 103.6MB in the beginning and 101.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:13:02,888 INFO L158 Benchmark]: RCFGBuilder took 779.18ms. Allocated memory is still 167.8MB. Free memory was 101.5MB in the beginning and 112.9MB in the end (delta: -11.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-11-23 21:13:02,889 INFO L158 Benchmark]: TraceAbstraction took 1030.08ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 60.5MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-23 21:13:02,890 INFO L158 Benchmark]: Witness Printer took 4.99ms. Allocated memory is still 167.8MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:02,893 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.35ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 106.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.13ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 103.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.01ms. Allocated memory is still 167.8MB. Free memory was 103.6MB in the beginning and 101.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 779.18ms. Allocated memory is still 167.8MB. Free memory was 101.5MB in the beginning and 112.9MB in the end (delta: -11.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1030.08ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 60.5MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.99ms. Allocated memory is still 167.8MB. Free memory is still 60.5MB. 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 65, overapproximation of someBinaryArithmeticFLOAToperation at line 66, overapproximation of someUnaryFLOAToperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L23] float var_1_2 = 200.875; [L24] float var_1_3 = 100.25; [L25] float var_1_4 = 99999999.34; [L26] unsigned short int var_1_5 = 10; [L27] unsigned short int var_1_6 = 8; [L28] unsigned long int var_1_7 = 25; [L29] unsigned char var_1_8 = 0; [L30] signed long int var_1_9 = -16; [L31] unsigned short int var_1_10 = 25; [L32] unsigned short int var_1_11 = 10000; [L33] signed short int var_1_12 = -32; [L34] signed char var_1_13 = 4; [L35] signed char var_1_14 = 25; [L36] signed short int var_1_15 = -16; [L37] signed short int var_1_16 = 100; [L38] signed short int var_1_17 = 8; [L39] float var_1_18 = 5.8; [L40] float var_1_19 = 0.19999999999999996; [L41] float var_1_20 = 1.5; [L42] float var_1_21 = 10000000.5; [L43] float var_1_22 = 4.5; [L44] float var_1_23 = 4.25; [L45] signed short int var_1_24 = -16; [L135] isInitial = 1 [L136] FCALL initially() [L137] COND TRUE 1 [L138] FCALL updateLastVariables() [L139] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_3=401/4, var_1_4=4999999967/50, var_1_5=10, var_1_6=8, var_1_7=25, var_1_8=0, var_1_9=-16] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_3=401/4, var_1_4=4999999967/50, var_1_5=10, var_1_6=8, var_1_7=25, var_1_8=0, var_1_9=-16] [L89] var_1_3 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_4=4999999967/50, var_1_5=10, var_1_6=8, var_1_7=25, var_1_8=0, var_1_9=-16] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_4=4999999967/50, var_1_5=10, var_1_6=8, var_1_7=25, var_1_8=0, var_1_9=-16] [L91] var_1_4 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=10, var_1_6=8, var_1_7=25, var_1_8=0, var_1_9=-16] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=10, var_1_6=8, var_1_7=25, var_1_8=0, var_1_9=-16] [L93] var_1_5 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_6=8, var_1_7=25, var_1_8=0, var_1_9=-16] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_6=8, var_1_7=25, var_1_8=0, var_1_9=-16] [L95] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=8, var_1_7=25, var_1_8=0, var_1_9=-16] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=8, var_1_7=25, var_1_8=0, var_1_9=-16] [L96] var_1_6 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_7=25, var_1_8=0, var_1_9=-16] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_7=25, var_1_8=0, var_1_9=-16] [L98] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=0, var_1_9=-16] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=0, var_1_9=-16] [L99] var_1_8 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_9=-16] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_9=-16] [L101] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=25, var_1_11=10000, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L102] var_1_11 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=25, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L104] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=4, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L105] var_1_13 = __VERIFIER_nondet_char() [L106] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L107] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=25, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L108] var_1_14 = __VERIFIER_nondet_char() [L109] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L110] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=100, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L111] var_1_16 = __VERIFIER_nondet_short() [L112] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L113] CALL assume_abort_if_not(var_1_16 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_16 <= 16383) VAL [isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=8, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L114] var_1_17 = __VERIFIER_nondet_short() [L115] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=16383, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=16383, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L116] CALL assume_abort_if_not(var_1_17 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=16383, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_17 <= 16383) VAL [isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=16383, var_1_18=29/5, var_1_19=4999999999999999/25000000000000000, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L117] var_1_19 = __VERIFIER_nondet_float() [L118] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=16383, var_1_18=29/5, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=16383, var_1_18=29/5, var_1_1=32, var_1_20=3/2, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L119] var_1_20 = __VERIFIER_nondet_float() [L120] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=16383, var_1_18=29/5, var_1_1=32, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=16383, var_1_18=29/5, var_1_1=32, var_1_21=20000001/2, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L121] var_1_21 = __VERIFIER_nondet_float() [L122] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=16383, var_1_18=29/5, var_1_1=32, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=16383, var_1_18=29/5, var_1_1=32, var_1_22=9/2, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L123] var_1_22 = __VERIFIER_nondet_float() [L124] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=16383, var_1_18=29/5, var_1_1=32, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=16383, var_1_18=29/5, var_1_1=32, var_1_23=17/4, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L125] var_1_23 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=16383, var_1_18=29/5, var_1_1=32, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=-32, var_1_13=127, var_1_14=0, var_1_15=-16, var_1_16=16383, var_1_17=16383, var_1_18=29/5, var_1_1=32, var_1_24=-16, var_1_5=15, var_1_6=16, var_1_7=25, var_1_8=1, var_1_9=-16] [L139] RET updateVariables() [L140] CALL step() [L49] var_1_9 = ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))) [L50] signed long int stepLocal_1 = 56016 - var_1_11; [L51] signed long int stepLocal_0 = 10; [L52] COND FALSE !(var_1_6 < stepLocal_0) [L57] COND FALSE !((var_1_13 - var_1_14) > (var_1_10 + var_1_11)) [L62] var_1_12 = var_1_14 [L64] var_1_15 = (var_1_14 - (((((var_1_16 + var_1_17)) > (4)) ? ((var_1_16 + var_1_17)) : (4)))) [L65] COND FALSE !(var_1_4 > var_1_2) [L68] COND FALSE !(! ((var_1_17 - var_1_11) < 128)) [L71] var_1_18 = ((((((((9.75f) > (var_1_19)) ? (9.75f) : (var_1_19)))) < ((((((var_1_21 - var_1_22)) > (((((var_1_20) > (var_1_23)) ? (var_1_20) : (var_1_23))))) ? ((var_1_21 - var_1_22)) : (((((var_1_20) > (var_1_23)) ? (var_1_20) : (var_1_23)))))))) ? (((((9.75f) > (var_1_19)) ? (9.75f) : (var_1_19)))) : ((((((var_1_21 - var_1_22)) > (((((var_1_20) > (var_1_23)) ? (var_1_20) : (var_1_23))))) ? ((var_1_21 - var_1_22)) : (((((var_1_20) > (var_1_23)) ? (var_1_20) : (var_1_23))))))))) [L74] var_1_24 = 16 [L75] COND TRUE var_1_18 <= (var_1_3 - var_1_4) [L76] var_1_1 = var_1_5 [L80] COND TRUE \read(var_1_8) [L81] COND TRUE var_1_5 < 16 [L82] var_1_7 = (var_1_6 + var_1_24) [L140] RET step() [L141] CALL, EXPR property() [L131-L132] return ((((((((var_1_18 <= (var_1_3 - var_1_4)) ? (var_1_1 == ((unsigned short int) var_1_5)) : (var_1_1 == ((unsigned short int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) && (var_1_8 ? ((var_1_5 < 16) ? (var_1_7 == ((unsigned long int) (var_1_6 + var_1_24))) : 1) : 1)) && (var_1_9 == ((signed long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) && ((var_1_6 < 10) ? ((var_1_5 < (56016 - var_1_11)) ? (var_1_10 == ((unsigned short int) var_1_5)) : 1) : 1)) && (((var_1_13 - var_1_14) > (var_1_10 + var_1_11)) ? ((! var_1_8) ? (var_1_12 == ((signed short int) var_1_13)) : 1) : (var_1_12 == ((signed short int) var_1_14)))) && (var_1_15 == ((signed short int) (var_1_14 - (((((var_1_16 + var_1_17)) > (4)) ? ((var_1_16 + var_1_17)) : (4))))))) && ((var_1_4 > var_1_2) ? (var_1_18 == ((float) (((((var_1_19 + var_1_20) < 0 ) ? -(var_1_19 + var_1_20) : (var_1_19 + var_1_20))) - var_1_21))) : ((! ((var_1_17 - var_1_11) < 128)) ? (var_1_18 == ((float) ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))))) : (var_1_18 == ((float) ((((((((9.75f) > (var_1_19)) ? (9.75f) : (var_1_19)))) < ((((((var_1_21 - var_1_22)) > (((((var_1_20) > (var_1_23)) ? (var_1_20) : (var_1_23))))) ? ((var_1_21 - var_1_22)) : (((((var_1_20) > (var_1_23)) ? (var_1_20) : (var_1_23)))))))) ? (((((9.75f) > (var_1_19)) ? (9.75f) : (var_1_19)))) : ((((((var_1_21 - var_1_22)) > (((((var_1_20) > (var_1_23)) ? (var_1_20) : (var_1_23))))) ? ((var_1_21 - var_1_22)) : (((((var_1_20) > (var_1_23)) ? (var_1_20) : (var_1_23)))))))))))))) && (var_1_24 == ((signed short int) 16)) ; [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=0, var_1_13=127, var_1_14=0, var_1_15=-32766, var_1_16=16383, var_1_17=16383, var_1_18=39/4, var_1_19=39/4, var_1_1=15, var_1_20=39/4, var_1_21=39/4, var_1_23=39/4, var_1_24=16, var_1_5=15, var_1_6=16, var_1_7=32, var_1_8=1, var_1_9=16] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=25, var_1_11=16256, var_1_12=0, var_1_13=127, var_1_14=0, var_1_15=-32766, var_1_16=16383, var_1_17=16383, var_1_18=39/4, var_1_19=39/4, var_1_1=15, var_1_20=39/4, var_1_21=39/4, var_1_23=39/4, var_1_24=16, var_1_5=15, var_1_6=16, var_1_7=32, var_1_8=1, var_1_9=16] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 24, 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=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 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 21:13:02,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/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_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/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_3efe58a3-6378-411c-a5db-99a69c478a25/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 ff439d451ea5239fcd422e57095277326040cd655d63b9fd77234418a0fe1463 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:05,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:05,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:13:05,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:05,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:05,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:05,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:05,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:06,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:06,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:06,006 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:06,007 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:06,008 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:06,010 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:06,010 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:06,011 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:06,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:06,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:06,013 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:13:06,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:13:06,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:06,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:06,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:06,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:06,017 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:13:06,017 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:13:06,018 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:13:06,018 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:13:06,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:06,019 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:06,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:06,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:13:06,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:06,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:06,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:06,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:06,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:06,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:06,023 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:13:06,024 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:13:06,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:06,025 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:06,026 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:06,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:06,026 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_3efe58a3-6378-411c-a5db-99a69c478a25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff439d451ea5239fcd422e57095277326040cd655d63b9fd77234418a0fe1463 [2023-11-23 21:13:06,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:06,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:06,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:06,498 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:06,499 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:06,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-7.i [2023-11-23 21:13:09,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:09,943 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:09,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-7.i [2023-11-23 21:13:09,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/data/61886764a/6353125459fa424d893ce1bdeca29475/FLAGc6a19431c [2023-11-23 21:13:09,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/data/61886764a/6353125459fa424d893ce1bdeca29475 [2023-11-23 21:13:09,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:09,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:09,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:09,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:10,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:10,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:10,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca3da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10, skipping insertion in model container [2023-11-23 21:13:10,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:10,062 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:10,273 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_3efe58a3-6378-411c-a5db-99a69c478a25/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-7.i[912,925] [2023-11-23 21:13:10,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:10,410 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:10,430 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_3efe58a3-6378-411c-a5db-99a69c478a25/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-7.i[912,925] [2023-11-23 21:13:10,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:10,509 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:10,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10 WrapperNode [2023-11-23 21:13:10,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:10,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:10,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:10,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:10,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,582 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2023-11-23 21:13:10,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:10,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:10,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:10,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:10,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:10,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:10,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:10,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:10,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:10,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:10,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:10,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:13:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:13:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:13:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:10,829 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:10,831 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:12,598 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:12,658 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:12,658 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:13:12,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:12 BoogieIcfgContainer [2023-11-23 21:13:12,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:12,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:12,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:12,665 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:12,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:09" (1/3) ... [2023-11-23 21:13:12,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14563216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:12, skipping insertion in model container [2023-11-23 21:13:12,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (2/3) ... [2023-11-23 21:13:12,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14563216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:12, skipping insertion in model container [2023-11-23 21:13:12,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:12" (3/3) ... [2023-11-23 21:13:12,668 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-7.i [2023-11-23 21:13:12,689 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:12,689 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:13:12,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:12,747 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;@c197fd6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:12,747 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:13:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 21:13:12,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 21:13:12,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:12,769 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:12,769 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:12,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:12,776 INFO L85 PathProgramCache]: Analyzing trace with hash 500190988, now seen corresponding path program 1 times [2023-11-23 21:13:12,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:12,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484441748] [2023-11-23 21:13:12,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:12,795 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 21:13:12,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:12,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/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 21:13:12,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/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 21:13:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:13,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:13:13,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 550 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2023-11-23 21:13:13,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:13:13,317 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:13:13,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484441748] [2023-11-23 21:13:13,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [484441748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:13,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:13,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:13:13,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846649684] [2023-11-23 21:13:13,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:13,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:13:13,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:13:13,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:13:13,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:13:13,361 INFO L87 Difference]: Start difference. First operand has 64 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 21:13:14,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:14,150 INFO L93 Difference]: Finished difference Result 125 states and 220 transitions. [2023-11-23 21:13:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:13:14,165 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 148 [2023-11-23 21:13:14,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:14,172 INFO L225 Difference]: With dead ends: 125 [2023-11-23 21:13:14,172 INFO L226 Difference]: Without dead ends: 62 [2023-11-23 21:13:14,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 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 21:13:14,180 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:14,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 21:13:14,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-23 21:13:14,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-23 21:13:14,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 21:13:14,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 94 transitions. [2023-11-23 21:13:14,249 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 94 transitions. Word has length 148 [2023-11-23 21:13:14,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:14,250 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 94 transitions. [2023-11-23 21:13:14,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 21:13:14,252 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 94 transitions. [2023-11-23 21:13:14,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 21:13:14,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:14,261 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:14,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/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 21:13:14,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/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 21:13:14,470 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:14,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:14,471 INFO L85 PathProgramCache]: Analyzing trace with hash 581367036, now seen corresponding path program 1 times [2023-11-23 21:13:14,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:14,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1634249186] [2023-11-23 21:13:14,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:14,473 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 21:13:14,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:14,477 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/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 21:13:14,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3efe58a3-6378-411c-a5db-99a69c478a25/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 21:13:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:14,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 21:13:14,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:44,025 WARN L293 SmtUtils]: Spent 11.87s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)