./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje --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 905ea402cc55bdef24afb6746a861e91183650285de09f36be5802e4884371ad --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:26:56,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:26:56,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:26:56,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:26:56,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:26:56,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:26:56,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:26:56,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:26:56,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:26:56,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:26:56,250 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:26:56,250 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:26:56,251 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:26:56,252 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:26:56,252 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:26:56,253 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:26:56,253 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:26:56,254 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:26:56,254 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:26:56,255 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:26:56,256 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:26:56,261 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:26:56,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:26:56,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:26:56,263 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:26:56,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:26:56,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:26:56,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:26:56,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:26:56,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:26:56,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:26:56,266 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:26:56,267 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:26:56,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:26:56,267 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:26:56,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:26:56,268 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:26:56,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:26:56,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:26:56,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:26:56,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:26:56,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:26:56,272 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:26:56,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:26:56,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:26:56,273 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:26:56,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:26:56,274 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_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 905ea402cc55bdef24afb6746a861e91183650285de09f36be5802e4884371ad [2024-11-09 07:26:56,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:26:56,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:26:56,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:26:56,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:26:56,646 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:26:56,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i Unable to find full path for "g++" [2024-11-09 07:26:59,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:26:59,336 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:26:59,336 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i [2024-11-09 07:26:59,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/data/78ee03e7b/f2675a6543c143818acd70cabf444ab4/FLAGac11ab937 [2024-11-09 07:26:59,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/data/78ee03e7b/f2675a6543c143818acd70cabf444ab4 [2024-11-09 07:26:59,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:26:59,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:26:59,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:26:59,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:26:59,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:26:59,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:26:59" (1/1) ... [2024-11-09 07:26:59,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d415808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:59, skipping insertion in model container [2024-11-09 07:26:59,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:26:59" (1/1) ... [2024-11-09 07:26:59,441 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:26:59,683 WARN L250 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_df78377d-dd19-4534-ae26-ba42268fbe13/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i[917,930] [2024-11-09 07:26:59,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:26:59,787 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:26:59,804 WARN L250 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_df78377d-dd19-4534-ae26-ba42268fbe13/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i[917,930] [2024-11-09 07:26:59,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:26:59,879 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:26:59,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:59 WrapperNode [2024-11-09 07:26:59,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:26:59,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:26:59,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:26:59,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:26:59,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:59" (1/1) ... [2024-11-09 07:26:59,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:59" (1/1) ... [2024-11-09 07:26:59,952 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2024-11-09 07:26:59,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:26:59,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:26:59,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:26:59,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:26:59,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:59" (1/1) ... [2024-11-09 07:26:59,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:59" (1/1) ... [2024-11-09 07:26:59,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:59" (1/1) ... [2024-11-09 07:26:59,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:59" (1/1) ... [2024-11-09 07:26:59,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:59" (1/1) ... [2024-11-09 07:26:59,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:59" (1/1) ... [2024-11-09 07:27:00,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:59" (1/1) ... [2024-11-09 07:27:00,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:59" (1/1) ... [2024-11-09 07:27:00,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:27:00,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:27:00,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:27:00,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:27:00,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:59" (1/1) ... [2024-11-09 07:27:00,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:27:00,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:27:00,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:27:00,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:27:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:27:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:27:00,105 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:27:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:27:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:27:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:27:00,247 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:27:00,253 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:27:00,789 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 07:27:00,789 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:27:01,142 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:27:01,142 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:27:01,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:27:01 BoogieIcfgContainer [2024-11-09 07:27:01,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:27:01,146 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:27:01,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:27:01,151 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:27:01,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:26:59" (1/3) ... [2024-11-09 07:27:01,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8e2b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:27:01, skipping insertion in model container [2024-11-09 07:27:01,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:59" (2/3) ... [2024-11-09 07:27:01,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8e2b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:27:01, skipping insertion in model container [2024-11-09 07:27:01,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:27:01" (3/3) ... [2024-11-09 07:27:01,157 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-32.i [2024-11-09 07:27:01,181 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:27:01,181 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:27:01,264 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:27:01,273 INFO L333 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, 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;@7143b21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:27:01,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:27:01,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 07:27:01,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 07:27:01,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:27:01,292 INFO L215 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:27:01,293 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:27:01,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:27:01,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1796178864, now seen corresponding path program 1 times [2024-11-09 07:27:01,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:27:01,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133263791] [2024-11-09 07:27:01,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:27:01,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:27:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:27:01,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:27:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:27:02,276 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:27:02,279 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:27:02,282 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:27:02,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:27:02,290 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:27:02,444 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:27:02,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:27:02 BoogieIcfgContainer [2024-11-09 07:27:02,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:27:02,451 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:27:02,451 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:27:02,452 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:27:02,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:27:01" (3/4) ... [2024-11-09 07:27:02,456 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:27:02,458 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:27:02,459 INFO L158 Benchmark]: Toolchain (without parser) took 3073.11ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 102.5MB in the beginning and 131.9MB in the end (delta: -29.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-09 07:27:02,460 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 140.5MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:27:02,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.69ms. Allocated memory is still 140.5MB. Free memory was 102.3MB in the beginning and 86.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 07:27:02,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.47ms. Allocated memory is still 140.5MB. Free memory was 86.5MB in the beginning and 83.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:27:02,464 INFO L158 Benchmark]: Boogie Preprocessor took 66.81ms. Allocated memory is still 140.5MB. Free memory was 83.0MB in the beginning and 80.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:27:02,465 INFO L158 Benchmark]: RCFGBuilder took 1121.65ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 80.9MB in the beginning and 130.3MB in the end (delta: -49.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-09 07:27:02,466 INFO L158 Benchmark]: TraceAbstraction took 1303.21ms. Allocated memory is still 180.4MB. Free memory was 129.7MB in the beginning and 133.0MB in the end (delta: -3.3MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2024-11-09 07:27:02,466 INFO L158 Benchmark]: Witness Printer took 7.54ms. Allocated memory is still 180.4MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:27:02,470 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 140.5MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.69ms. Allocated memory is still 140.5MB. Free memory was 102.3MB in the beginning and 86.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.47ms. Allocated memory is still 140.5MB. Free memory was 86.5MB in the beginning and 83.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.81ms. Allocated memory is still 140.5MB. Free memory was 83.0MB in the beginning and 80.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1121.65ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 80.9MB in the beginning and 130.3MB in the end (delta: -49.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1303.21ms. Allocated memory is still 180.4MB. Free memory was 129.7MB in the beginning and 133.0MB in the end (delta: -3.3MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Witness Printer took 7.54ms. Allocated memory is still 180.4MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 139, overapproximation of someBinaryArithmeticFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 2; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = -25; [L25] unsigned char var_1_4 = 100; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 64; [L28] unsigned char var_1_7 = 32; [L29] unsigned char var_1_8 = 32; [L30] float var_1_9 = 100.5; [L31] unsigned char var_1_10 = 4; [L32] float var_1_11 = 0.8; [L33] float var_1_12 = 2.5; [L34] signed short int var_1_13 = -32; [L35] float var_1_14 = 3.2; [L36] unsigned char var_1_15 = 1; [L37] unsigned char var_1_16 = 0; [L38] unsigned char var_1_17 = 0; [L39] float var_1_18 = 0.25; [L40] float var_1_19 = 100000000.25; [L41] signed char var_1_20 = 0; [L42] signed char var_1_21 = 10; [L43] double var_1_22 = 1000000.5; [L44] unsigned long int var_1_23 = 256; [L45] unsigned long int var_1_24 = 50; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] FCALL updateLastVariables() [L147] CALL updateVariables() [L94] var_1_2 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_3=-25, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_3=-25, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L96] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=-25, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=-25, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L97] var_1_3 = __VERIFIER_nondet_long() [L98] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L99] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L100] var_1_4 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_4 >= 95) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_4 >= 95) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L102] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L103] var_1_5 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L105] CALL assume_abort_if_not(var_1_5 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_5 <= 32) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L106] var_1_6 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_6 >= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_6 >= 64) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L108] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L109] var_1_7 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_8=32, var_1_9=201/2] [L111] CALL assume_abort_if_not(var_1_7 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_7 <= 64) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L112] var_1_8 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_9=201/2] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_9=201/2] [L114] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, var_1_10=4, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L115] var_1_10 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L117] CALL assume_abort_if_not(var_1_10 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_10 <= 255) VAL [isInitial=1, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L118] var_1_11 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=5/2, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L120] var_1_12 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-32, var_1_14=16/5, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L122] var_1_14 = __VERIFIER_nondet_float() [L123] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L124] var_1_16 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L126] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L127] var_1_17 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L129] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L130] var_1_19 = __VERIFIER_nondet_float() [L131] 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_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L131] 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_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L132] var_1_21 = __VERIFIER_nondet_char() [L133] CALL assume_abort_if_not(var_1_21 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_21 >= -31) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L134] CALL assume_abort_if_not(var_1_21 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_21 <= 31) VAL [isInitial=1, var_1_13=-32, var_1_15=1, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L147] RET updateVariables() [L148] CALL step() [L49] COND TRUE -32 < var_1_3 [L50] var_1_1 = (((var_1_4 - var_1_5) + var_1_6) - (var_1_7 + ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) [L52] COND FALSE !((var_1_10 + ((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) == var_1_5) [L55] var_1_9 = var_1_12 [L57] COND FALSE !((var_1_12 * ((((var_1_9) < (var_1_11)) ? (var_1_9) : (var_1_11)))) > (- var_1_14)) [L66] COND FALSE !(var_1_5 >= var_1_6) [L75] var_1_15 = var_1_17 [L77] unsigned char stepLocal_1 = var_1_15; [L78] unsigned char stepLocal_0 = var_1_15; [L79] COND TRUE var_1_17 || stepLocal_1 [L80] COND FALSE !(stepLocal_0 && var_1_2) [L83] var_1_18 = var_1_19 [L86] COND FALSE !(var_1_11 == var_1_18) [L89] var_1_22 = var_1_12 [L90] var_1_23 = var_1_8 [L91] var_1_24 = var_1_6 [L148] RET step() [L149] CALL, EXPR property() [L139-L140] return (((((((((-32 < var_1_3) ? (var_1_1 == ((unsigned char) (((var_1_4 - var_1_5) + var_1_6) - (var_1_7 + ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))))) : 1) && (((var_1_10 + ((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) == var_1_5) ? (var_1_9 == ((float) ((4.5f + var_1_11) - var_1_12))) : (var_1_9 == ((float) var_1_12)))) && (((var_1_12 * ((((var_1_9) < (var_1_11)) ? (var_1_9) : (var_1_11)))) > (- var_1_14)) ? ((var_1_6 <= var_1_8) ? (var_1_2 ? (var_1_13 == ((signed short int) var_1_8)) : (var_1_13 == ((signed short int) var_1_5))) : 1) : 1)) && ((var_1_5 >= var_1_6) ? ((var_1_13 <= var_1_10) ? (var_1_15 == ((unsigned char) var_1_16)) : ((var_1_2 || var_1_16) ? (var_1_15 == ((unsigned char) var_1_17)) : 1)) : (var_1_15 == ((unsigned char) var_1_17)))) && ((var_1_17 || var_1_15) ? ((var_1_15 && var_1_2) ? (var_1_18 == ((float) (var_1_11 + var_1_19))) : (var_1_18 == ((float) var_1_19))) : 1)) && ((var_1_11 == var_1_18) ? (var_1_20 == ((signed char) ((var_1_5 + var_1_21) + var_1_8))) : 1)) && (var_1_22 == ((double) var_1_12))) && (var_1_23 == ((unsigned long int) var_1_8))) && (var_1_24 == ((unsigned long int) var_1_6)) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_12=100000005, var_1_13=-32, var_1_15=513, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_19=1/4, var_1_1=65, var_1_20=0, var_1_21=-31, var_1_22=100000005, var_1_23=0, var_1_24=64, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=100000005] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_12=100000005, var_1_13=-32, var_1_15=513, var_1_16=512, var_1_17=513, var_1_18=1/4, var_1_19=1/4, var_1_1=65, var_1_20=0, var_1_21=-31, var_1_22=100000005, var_1_23=0, var_1_24=64, var_1_2=0, var_1_3=65, var_1_4=-23969, var_1_5=30, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=100000005] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 26, 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=50occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 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 [2024-11-09 07:27:02,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje --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 905ea402cc55bdef24afb6746a861e91183650285de09f36be5802e4884371ad --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:27:05,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:27:05,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 07:27:05,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:27:05,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:27:05,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:27:05,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:27:05,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:27:05,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:27:05,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:27:05,671 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:27:05,672 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:27:05,672 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:27:05,673 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:27:05,673 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:27:05,674 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:27:05,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:27:05,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:27:05,679 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:27:05,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:27:05,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:27:05,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:27:05,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:27:05,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:27:05,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:27:05,685 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:27:05,685 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:27:05,685 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:27:05,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:27:05,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:27:05,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:27:05,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:27:05,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:27:05,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:27:05,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:27:05,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:27:05,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:27:05,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:27:05,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:27:05,690 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:27:05,691 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:27:05,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:27:05,691 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:27:05,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 905ea402cc55bdef24afb6746a861e91183650285de09f36be5802e4884371ad [2024-11-09 07:27:06,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:27:06,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:27:06,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:27:06,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:27:06,248 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:27:06,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i Unable to find full path for "g++" [2024-11-09 07:27:08,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:27:08,980 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:27:08,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i [2024-11-09 07:27:08,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/data/25f5264ac/29e170c187264791a219bd87514067ab/FLAG8db4c4132 [2024-11-09 07:27:09,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/data/25f5264ac/29e170c187264791a219bd87514067ab [2024-11-09 07:27:09,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:27:09,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:27:09,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:27:09,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:27:09,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:27:09,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:27:09" (1/1) ... [2024-11-09 07:27:09,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48439218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:09, skipping insertion in model container [2024-11-09 07:27:09,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:27:09" (1/1) ... [2024-11-09 07:27:09,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:27:09,336 WARN L250 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_df78377d-dd19-4534-ae26-ba42268fbe13/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i[917,930] [2024-11-09 07:27:09,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:27:09,510 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:27:09,529 WARN L250 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_df78377d-dd19-4534-ae26-ba42268fbe13/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-32.i[917,930] [2024-11-09 07:27:09,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:27:09,643 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:27:09,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:09 WrapperNode [2024-11-09 07:27:09,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:27:09,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:27:09,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:27:09,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:27:09,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:09" (1/1) ... [2024-11-09 07:27:09,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:09" (1/1) ... [2024-11-09 07:27:09,737 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2024-11-09 07:27:09,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:27:09,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:27:09,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:27:09,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:27:09,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:09" (1/1) ... [2024-11-09 07:27:09,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:09" (1/1) ... [2024-11-09 07:27:09,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:09" (1/1) ... [2024-11-09 07:27:09,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:09" (1/1) ... [2024-11-09 07:27:09,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:09" (1/1) ... [2024-11-09 07:27:09,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:09" (1/1) ... [2024-11-09 07:27:09,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:09" (1/1) ... [2024-11-09 07:27:09,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:09" (1/1) ... [2024-11-09 07:27:09,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:27:09,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:27:09,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:27:09,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:27:09,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:09" (1/1) ... [2024-11-09 07:27:09,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:27:09,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:27:09,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:27:09,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:27:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:27:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:27:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:27:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:27:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:27:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:27:10,049 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:27:10,052 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:27:13,424 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 07:27:13,424 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:27:13,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:27:13,458 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:27:13,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:27:13 BoogieIcfgContainer [2024-11-09 07:27:13,459 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:27:13,462 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:27:13,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:27:13,467 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:27:13,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:27:09" (1/3) ... [2024-11-09 07:27:13,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46cecf61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:27:13, skipping insertion in model container [2024-11-09 07:27:13,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:27:09" (2/3) ... [2024-11-09 07:27:13,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46cecf61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:27:13, skipping insertion in model container [2024-11-09 07:27:13,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:27:13" (3/3) ... [2024-11-09 07:27:13,473 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-32.i [2024-11-09 07:27:13,501 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:27:13,501 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:27:13,628 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:27:13,639 INFO L333 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, 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;@4b7758a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:27:13,643 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:27:13,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 07:27:13,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-09 07:27:13,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:27:13,678 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:27:13,679 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:27:13,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:27:13,691 INFO L85 PathProgramCache]: Analyzing trace with hash -852932578, now seen corresponding path program 1 times [2024-11-09 07:27:13,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:27:13,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795517122] [2024-11-09 07:27:13,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:27:13,713 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 [2024-11-09 07:27:13,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:27:13,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:27:13,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:27:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:27:14,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 07:27:14,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:27:14,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2024-11-09 07:27:14,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:27:14,391 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:27:14,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [795517122] [2024-11-09 07:27:14,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [795517122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:27:14,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:27:14,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:27:14,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748094403] [2024-11-09 07:27:14,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:27:14,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:27:14,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:27:14,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:27:14,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:27:14,457 INFO L87 Difference]: Start difference. First operand has 73 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 07:27:14,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:27:14,554 INFO L93 Difference]: Finished difference Result 139 states and 244 transitions. [2024-11-09 07:27:14,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:27:14,557 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 162 [2024-11-09 07:27:14,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:27:14,571 INFO L225 Difference]: With dead ends: 139 [2024-11-09 07:27:14,572 INFO L226 Difference]: Without dead ends: 69 [2024-11-09 07:27:14,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:27:14,587 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:27:14,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:27:14,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-09 07:27:14,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-09 07:27:14,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 07:27:14,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 105 transitions. [2024-11-09 07:27:14,679 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 105 transitions. Word has length 162 [2024-11-09 07:27:14,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:27:14,682 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 105 transitions. [2024-11-09 07:27:14,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 07:27:14,683 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 105 transitions. [2024-11-09 07:27:14,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-09 07:27:14,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:27:14,693 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:27:14,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 07:27:14,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:27:14,899 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:27:14,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:27:14,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1442810726, now seen corresponding path program 1 times [2024-11-09 07:27:14,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:27:14,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1677074520] [2024-11-09 07:27:14,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:27:14,905 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 [2024-11-09 07:27:14,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:27:14,910 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:27:14,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:27:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:27:15,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 07:27:15,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:27:16,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 409 proven. 18 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2024-11-09 07:27:16,178 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:27:17,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 63 proven. 12 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 07:27:17,051 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:27:17,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1677074520] [2024-11-09 07:27:17,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1677074520] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:27:17,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [341601043] [2024-11-09 07:27:17,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:27:17,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:27:17,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:27:17,058 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:27:17,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 07:27:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:27:18,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:27:18,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:27:18,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 403 proven. 12 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2024-11-09 07:27:18,603 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:27:19,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 63 proven. 12 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 07:27:19,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [341601043] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:27:19,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109816899] [2024-11-09 07:27:19,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:27:19,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:27:19,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:27:19,169 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:27:19,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 07:27:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:27:19,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 07:27:19,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:27:19,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 403 proven. 12 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2024-11-09 07:27:19,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:27:20,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 63 proven. 12 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 07:27:20,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109816899] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:27:20,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 07:27:20,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7, 7, 7, 7] total 14 [2024-11-09 07:27:20,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712207317] [2024-11-09 07:27:20,225 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 07:27:20,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 07:27:20,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:27:20,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 07:27:20,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-09 07:27:20,231 INFO L87 Difference]: Start difference. First operand 69 states and 105 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 3 states have call successors, (33), 3 states have call predecessors, (33), 6 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-09 07:27:23,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:27:25,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:27:25,260 INFO L93 Difference]: Finished difference Result 258 states and 383 transitions. [2024-11-09 07:27:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 07:27:25,264 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 3 states have call successors, (33), 3 states have call predecessors, (33), 6 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 162 [2024-11-09 07:27:25,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:27:25,270 INFO L225 Difference]: With dead ends: 258 [2024-11-09 07:27:25,271 INFO L226 Difference]: Without dead ends: 192 [2024-11-09 07:27:25,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 982 GetRequests, 951 SyntacticMatches, 5 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=199, Invalid=557, Unknown=0, NotChecked=0, Total=756 [2024-11-09 07:27:25,274 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 231 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:27:25,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 644 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-09 07:27:25,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-09 07:27:25,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 183. [2024-11-09 07:27:25,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 103 states have (on average 1.2135922330097086) internal successors, (125), 104 states have internal predecessors, (125), 73 states have call successors, (73), 6 states have call predecessors, (73), 6 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 07:27:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 271 transitions. [2024-11-09 07:27:25,326 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 271 transitions. Word has length 162 [2024-11-09 07:27:25,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:27:25,328 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 271 transitions. [2024-11-09 07:27:25,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 3 states have call successors, (33), 3 states have call predecessors, (33), 6 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-09 07:27:25,328 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 271 transitions. [2024-11-09 07:27:25,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-09 07:27:25,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:27:25,332 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:27:25,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 07:27:25,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 07:27:25,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 07:27:25,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:27:25,937 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:27:25,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:27:25,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1314105758, now seen corresponding path program 1 times [2024-11-09 07:27:25,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:27:25,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [306017397] [2024-11-09 07:27:25,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:27:25,940 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 [2024-11-09 07:27:25,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:27:25,941 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:27:25,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df78377d-dd19-4534-ae26-ba42268fbe13/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 07:27:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:27:26,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-09 07:27:26,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:27:40,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 975 proven. 261 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 07:27:40,945 INFO L311 TraceCheckSpWp]: Computing backward predicates...