./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/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_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/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_f5e80350-579a-4eb0-a33c-2984f41c1576/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 6f0f0785f7665ff69f705d3a9523d6aab7318d460c58516c4546aa5262d21f76 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:48:30,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:48:30,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:48:30,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:48:30,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:48:30,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:48:30,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:48:30,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:48:30,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:48:30,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:48:30,595 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:48:30,595 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:48:30,595 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:48:30,600 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:48:30,601 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:48:30,601 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:48:30,601 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:48:30,602 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:48:30,602 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:48:30,602 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:48:30,602 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:48:30,603 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:48:30,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:48:30,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:48:30,604 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:48:30,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:48:30,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:48:30,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:48:30,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:48:30,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:48:30,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:48:30,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:48:30,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:48:30,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:48:30,606 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:48:30,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:48:30,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:48:30,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:48:30,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:48:30,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:48:30,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:48:30,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:48:30,611 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:48:30,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:48:30,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:48:30,612 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:48:30,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:48:30,613 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_f5e80350-579a-4eb0-a33c-2984f41c1576/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f0f0785f7665ff69f705d3a9523d6aab7318d460c58516c4546aa5262d21f76 [2024-11-09 05:48:30,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:48:30,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:48:30,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:48:30,953 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:48:30,953 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:48:30,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i Unable to find full path for "g++" [2024-11-09 05:48:33,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:48:33,220 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:48:33,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i [2024-11-09 05:48:33,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/data/af0429dd5/6257c63a93a04128826ca4aa88f93249/FLAG011110a5c [2024-11-09 05:48:33,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/data/af0429dd5/6257c63a93a04128826ca4aa88f93249 [2024-11-09 05:48:33,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:48:33,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:48:33,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:48:33,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:48:33,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:48:33,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:48:33" (1/1) ... [2024-11-09 05:48:33,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36554518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:33, skipping insertion in model container [2024-11-09 05:48:33,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:48:33" (1/1) ... [2024-11-09 05:48:33,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:48:33,830 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_f5e80350-579a-4eb0-a33c-2984f41c1576/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i[917,930] [2024-11-09 05:48:33,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:48:33,906 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:48:33,916 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_f5e80350-579a-4eb0-a33c-2984f41c1576/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i[917,930] [2024-11-09 05:48:33,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:48:33,983 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:48:33,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:33 WrapperNode [2024-11-09 05:48:33,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:48:33,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:48:33,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:48:33,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:48:33,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:33" (1/1) ... [2024-11-09 05:48:34,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:33" (1/1) ... [2024-11-09 05:48:34,047 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2024-11-09 05:48:34,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:48:34,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:48:34,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:48:34,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:48:34,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:33" (1/1) ... [2024-11-09 05:48:34,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:33" (1/1) ... [2024-11-09 05:48:34,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:33" (1/1) ... [2024-11-09 05:48:34,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:33" (1/1) ... [2024-11-09 05:48:34,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:33" (1/1) ... [2024-11-09 05:48:34,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:33" (1/1) ... [2024-11-09 05:48:34,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:33" (1/1) ... [2024-11-09 05:48:34,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:33" (1/1) ... [2024-11-09 05:48:34,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:48:34,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:48:34,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:48:34,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:48:34,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:33" (1/1) ... [2024-11-09 05:48:34,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:48:34,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:34,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:48:34,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:48:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:48:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:48:34,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:48:34,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:48:34,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:48:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:48:34,272 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:48:34,277 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:48:34,707 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 05:48:34,707 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:48:35,094 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:48:35,094 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:48:35,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:35 BoogieIcfgContainer [2024-11-09 05:48:35,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:48:35,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:48:35,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:48:35,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:48:35,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:48:33" (1/3) ... [2024-11-09 05:48:35,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5237d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:48:35, skipping insertion in model container [2024-11-09 05:48:35,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:33" (2/3) ... [2024-11-09 05:48:35,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5237d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:48:35, skipping insertion in model container [2024-11-09 05:48:35,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:35" (3/3) ... [2024-11-09 05:48:35,109 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-17.i [2024-11-09 05:48:35,127 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:48:35,127 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:48:35,211 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:48:35,216 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;@2da3f85d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:48:35,217 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:48:35,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 05:48:35,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 05:48:35,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:35,228 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:35,228 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:48:35,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:35,233 INFO L85 PathProgramCache]: Analyzing trace with hash 825316624, now seen corresponding path program 1 times [2024-11-09 05:48:35,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:35,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285092976] [2024-11-09 05:48:35,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:35,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:48:35,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [211578655] [2024-11-09 05:48:35,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:35,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:35,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:35,741 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:35,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:48:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:48:35,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:48:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:48:36,112 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:48:36,114 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:48:36,115 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:48:36,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:48:36,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 05:48:36,321 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:48:36,395 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:48:36,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:48:36 BoogieIcfgContainer [2024-11-09 05:48:36,398 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:48:36,399 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:48:36,399 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:48:36,399 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:48:36,400 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:35" (3/4) ... [2024-11-09 05:48:36,402 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:48:36,403 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:48:36,404 INFO L158 Benchmark]: Toolchain (without parser) took 2819.18ms. Allocated memory is still 153.1MB. Free memory was 118.0MB in the beginning and 70.8MB in the end (delta: 47.2MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-11-09 05:48:36,405 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory was 70.9MB in the beginning and 70.8MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:48:36,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.90ms. Allocated memory is still 153.1MB. Free memory was 118.0MB in the beginning and 102.1MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:48:36,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.76ms. Allocated memory is still 153.1MB. Free memory was 101.7MB in the beginning and 98.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:48:36,407 INFO L158 Benchmark]: Boogie Preprocessor took 40.55ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 96.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:48:36,407 INFO L158 Benchmark]: RCFGBuilder took 1001.83ms. Allocated memory is still 153.1MB. Free memory was 96.3MB in the beginning and 71.8MB in the end (delta: 24.5MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-11-09 05:48:36,408 INFO L158 Benchmark]: TraceAbstraction took 1299.76ms. Allocated memory is still 153.1MB. Free memory was 71.0MB in the beginning and 71.8MB in the end (delta: -747.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:48:36,408 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 153.1MB. Free memory was 71.8MB in the beginning and 70.8MB in the end (delta: 964.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:48:36,412 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory was 70.9MB in the beginning and 70.8MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.90ms. Allocated memory is still 153.1MB. Free memory was 118.0MB in the beginning and 102.1MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.76ms. Allocated memory is still 153.1MB. Free memory was 101.7MB in the beginning and 98.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.55ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 96.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1001.83ms. Allocated memory is still 153.1MB. Free memory was 96.3MB in the beginning and 71.8MB in the end (delta: 24.5MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1299.76ms. Allocated memory is still 153.1MB. Free memory was 71.0MB in the beginning and 71.8MB in the end (delta: -747.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 153.1MB. Free memory was 71.8MB in the beginning and 70.8MB in the end (delta: 964.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of bitwiseAnd at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 25; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] unsigned char var_1_6 = 1; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 0; [L32] double var_1_11 = 7.3; [L33] double var_1_12 = 1.25; [L34] double var_1_13 = 128.8; [L35] signed char var_1_14 = -1; [L36] signed char var_1_15 = 10; [L37] signed short int var_1_16 = 8; [L38] signed short int var_1_17 = 10; [L39] unsigned long int var_1_18 = 128; [L40] unsigned long int var_1_19 = 3963666122; [L129] isInitial = 1 [L130] FCALL initially() [L131] COND TRUE 1 [L132] FCALL updateLastVariables() [L133] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L90] var_1_3 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L92] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L93] var_1_4 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L95] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L96] var_1_6 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L98] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L99] var_1_7 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_8=1, var_1_9=0] [L101] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L102] var_1_9 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L105] var_1_10 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L108] var_1_12 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && 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_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L110] var_1_13 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L112] var_1_15 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L114] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=10, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L115] var_1_17 = __VERIFIER_nondet_short() [L116] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L117] CALL assume_abort_if_not(var_1_17 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_17 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L118] var_1_19 = __VERIFIER_nondet_ulong() [L119] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L120] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L133] RET updateVariables() [L134] CALL step() [L44] var_1_1 = (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))) [L45] unsigned char stepLocal_0 = var_1_7; [L46] COND FALSE !(var_1_6 && stepLocal_0) [L53] COND FALSE !(var_1_1 < var_1_3) [L56] var_1_8 = (! var_1_10) [L58] unsigned char stepLocal_1 = var_1_4; [L59] COND TRUE stepLocal_1 == (8 + var_1_1) [L60] var_1_11 = ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) [L62] COND TRUE (64.4f + 1.5f) <= var_1_13 [L63] COND FALSE !(var_1_5 >= var_1_4) [L67] unsigned char stepLocal_2 = var_1_3; [L68] COND FALSE !(var_1_12 >= 9.6) [L79] unsigned char stepLocal_3 = var_1_9 && var_1_6; [L80] COND FALSE !(stepLocal_3 || (var_1_7 && var_1_10)) [L83] var_1_18 = var_1_2 [L134] RET step() [L135] CALL, EXPR property() [L125] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((var_1_6 && var_1_7) ? (var_1_7 ? (var_1_5 == ((signed long int) (((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_1 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (var_1_6 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_1)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_5 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_17))) : (((var_1_1 * (var_1_15 & var_1_17)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_1)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) [L125-L126] return ((((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((var_1_6 && var_1_7) ? (var_1_7 ? (var_1_5 == ((signed long int) (((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_1 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (var_1_6 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_1)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_5 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_17))) : (((var_1_1 * (var_1_15 & var_1_17)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_1)) : (var_1_16 == ((signed short int) var_1_4)))) : 1)) && (((var_1_9 && var_1_6) || (var_1_7 && var_1_10)) ? (var_1_18 == ((unsigned long int) (var_1_19 - (((((1991720936u - var_1_17)) < (var_1_2)) ? ((1991720936u - var_1_17)) : (var_1_2)))))) : (var_1_18 == ((unsigned long int) var_1_2))) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=0, var_1_19=2147483647, var_1_1=50, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_17=32766, var_1_18=0, var_1_19=2147483647, var_1_1=50, var_1_2=-256, var_1_3=0, var_1_4=-198, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 22, 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=43occurred 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, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 2 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 05:48:36,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/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_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/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_f5e80350-579a-4eb0-a33c-2984f41c1576/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 6f0f0785f7665ff69f705d3a9523d6aab7318d460c58516c4546aa5262d21f76 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:48:38,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:48:38,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:48:38,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:48:38,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:48:38,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:48:38,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:48:38,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:48:38,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:48:38,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:48:38,962 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:48:38,963 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:48:38,964 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:48:38,968 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:48:38,969 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:48:38,969 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:48:38,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:48:38,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:48:38,970 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:48:38,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:48:38,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:48:38,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:48:38,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:48:38,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:48:38,972 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:48:38,972 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:48:38,972 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:48:38,973 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:48:38,973 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:48:38,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:48:38,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:48:38,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:48:38,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:48:38,974 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:48:38,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:48:38,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:48:38,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:48:38,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:48:38,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:48:38,976 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:48:38,976 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:48:38,977 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:48:38,977 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:48:38,977 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_f5e80350-579a-4eb0-a33c-2984f41c1576/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f0f0785f7665ff69f705d3a9523d6aab7318d460c58516c4546aa5262d21f76 [2024-11-09 05:48:39,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:48:39,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:48:39,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:48:39,406 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:48:39,407 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:48:39,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i Unable to find full path for "g++" [2024-11-09 05:48:41,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:48:41,747 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:48:41,749 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i [2024-11-09 05:48:41,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/data/02575bfc0/10f2561a46bd41029bc8d36564d0b684/FLAGb0b232a28 [2024-11-09 05:48:41,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/data/02575bfc0/10f2561a46bd41029bc8d36564d0b684 [2024-11-09 05:48:41,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:48:41,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:48:41,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:48:41,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:48:41,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:48:41,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:48:41" (1/1) ... [2024-11-09 05:48:41,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1d8fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:41, skipping insertion in model container [2024-11-09 05:48:41,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:48:41" (1/1) ... [2024-11-09 05:48:41,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:48:42,049 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_f5e80350-579a-4eb0-a33c-2984f41c1576/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i[917,930] [2024-11-09 05:48:42,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:48:42,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:48:42,174 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_f5e80350-579a-4eb0-a33c-2984f41c1576/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-17.i[917,930] [2024-11-09 05:48:42,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:48:42,247 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:48:42,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:42 WrapperNode [2024-11-09 05:48:42,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:48:42,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:48:42,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:48:42,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:48:42,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:42" (1/1) ... [2024-11-09 05:48:42,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:42" (1/1) ... [2024-11-09 05:48:42,320 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-11-09 05:48:42,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:48:42,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:48:42,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:48:42,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:48:42,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:42" (1/1) ... [2024-11-09 05:48:42,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:42" (1/1) ... [2024-11-09 05:48:42,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:42" (1/1) ... [2024-11-09 05:48:42,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:42" (1/1) ... [2024-11-09 05:48:42,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:42" (1/1) ... [2024-11-09 05:48:42,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:42" (1/1) ... [2024-11-09 05:48:42,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:42" (1/1) ... [2024-11-09 05:48:42,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:42" (1/1) ... [2024-11-09 05:48:42,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:48:42,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:48:42,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:48:42,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:48:42,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:42" (1/1) ... [2024-11-09 05:48:42,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:48:42,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:42,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:48:42,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:48:42,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:48:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:48:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:48:42,505 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:48:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:48:42,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:48:42,601 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:48:42,604 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:48:43,392 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-09 05:48:43,392 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:48:43,408 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:48:43,408 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:48:43,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:43 BoogieIcfgContainer [2024-11-09 05:48:43,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:48:43,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:48:43,413 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:48:43,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:48:43,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:48:41" (1/3) ... [2024-11-09 05:48:43,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133ba97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:48:43, skipping insertion in model container [2024-11-09 05:48:43,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:42" (2/3) ... [2024-11-09 05:48:43,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133ba97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:48:43, skipping insertion in model container [2024-11-09 05:48:43,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:43" (3/3) ... [2024-11-09 05:48:43,421 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-17.i [2024-11-09 05:48:43,443 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:48:43,443 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:48:43,521 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:48:43,530 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;@6f600f89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:48:43,530 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:48:43,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 05:48:43,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 05:48:43,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:43,564 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:43,564 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:48:43,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:43,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1558441246, now seen corresponding path program 1 times [2024-11-09 05:48:43,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:48:43,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255803088] [2024-11-09 05:48:43,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:43,590 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 05:48:43,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:48:43,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/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 05:48:43,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/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 05:48:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:43,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:48:43,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:43,971 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-09 05:48:43,972 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:48:43,973 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:48:43,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255803088] [2024-11-09 05:48:43,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255803088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:43,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:43,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:48:43,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035925841] [2024-11-09 05:48:43,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:43,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:48:43,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:48:44,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:48:44,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:48:44,009 INFO L87 Difference]: Start difference. First operand has 66 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 05:48:44,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:44,037 INFO L93 Difference]: Finished difference Result 125 states and 216 transitions. [2024-11-09 05:48:44,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:48:44,039 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2024-11-09 05:48:44,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:44,048 INFO L225 Difference]: With dead ends: 125 [2024-11-09 05:48:44,048 INFO L226 Difference]: Without dead ends: 62 [2024-11-09 05:48:44,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 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 05:48:44,056 INFO L432 NwaCegarLoop]: 93 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, 93 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 05:48:44,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:48:44,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-09 05:48:44,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-09 05:48:44,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 05:48:44,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 93 transitions. [2024-11-09 05:48:44,107 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 93 transitions. Word has length 140 [2024-11-09 05:48:44,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:44,110 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 93 transitions. [2024-11-09 05:48:44,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 05:48:44,111 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2024-11-09 05:48:44,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 05:48:44,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:44,117 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:44,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/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 05:48:44,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/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 05:48:44,318 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:48:44,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:44,319 INFO L85 PathProgramCache]: Analyzing trace with hash 2060680414, now seen corresponding path program 1 times [2024-11-09 05:48:44,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:48:44,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [515024635] [2024-11-09 05:48:44,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:44,321 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 05:48:44,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:48:44,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/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 05:48:44,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e80350-579a-4eb0-a33c-2984f41c1576/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 05:48:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:44,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 05:48:44,623 INFO L278 TraceCheckSpWp]: Computing forward predicates...