./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ --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 e7999cbc02495ec6922b91474a62a692fbfb55ed13055ddc827dcb10c95c728f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:23:24,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:23:24,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:23:24,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:23:24,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:23:24,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:23:24,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:23:24,439 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:23:24,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:23:24,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:23:24,440 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:23:24,441 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:23:24,442 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:23:24,442 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:23:24,443 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:23:24,443 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:23:24,444 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:23:24,444 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:23:24,445 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:23:24,445 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:23:24,446 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:23:24,452 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:23:24,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:23:24,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:23:24,454 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:23:24,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:23:24,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:23:24,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:23:24,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:23:24,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:23:24,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:23:24,457 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:23:24,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:23:24,457 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:23:24,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:23:24,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:23:24,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:24,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:23:24,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:23:24,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:23:24,460 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:23:24,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:23:24,462 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:23:24,463 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:23:24,463 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:23:24,464 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_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7999cbc02495ec6922b91474a62a692fbfb55ed13055ddc827dcb10c95c728f [2023-11-19 05:23:24,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:23:24,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:23:24,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:23:24,759 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:23:24,760 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:23:24,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i [2023-11-19 05:23:27,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:23:28,150 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:23:28,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i [2023-11-19 05:23:28,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/data/f937f8f5e/96a437871fb247dc95357f9b6690d776/FLAG50f8e91ee [2023-11-19 05:23:28,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/data/f937f8f5e/96a437871fb247dc95357f9b6690d776 [2023-11-19 05:23:28,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:23:28,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:23:28,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:28,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:23:28,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:23:28,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:28" (1/1) ... [2023-11-19 05:23:28,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1675a760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:28, skipping insertion in model container [2023-11-19 05:23:28,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:28" (1/1) ... [2023-11-19 05:23:28,236 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:23:28,393 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i[919,932] [2023-11-19 05:23:28,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:28,470 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:23:28,482 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i[919,932] [2023-11-19 05:23:28,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:28,553 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:23:28,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:28 WrapperNode [2023-11-19 05:23:28,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:28,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:28,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:23:28,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:23:28,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:28" (1/1) ... [2023-11-19 05:23:28,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:28" (1/1) ... [2023-11-19 05:23:28,618 INFO L138 Inliner]: procedures = 33, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 171 [2023-11-19 05:23:28,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:28,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:23:28,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:23:28,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:23:28,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:28" (1/1) ... [2023-11-19 05:23:28,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:28" (1/1) ... [2023-11-19 05:23:28,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:28" (1/1) ... [2023-11-19 05:23:28,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:28" (1/1) ... [2023-11-19 05:23:28,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:28" (1/1) ... [2023-11-19 05:23:28,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:28" (1/1) ... [2023-11-19 05:23:28,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:28" (1/1) ... [2023-11-19 05:23:28,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:28" (1/1) ... [2023-11-19 05:23:28,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:23:28,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:23:28,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:23:28,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:23:28,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:28" (1/1) ... [2023-11-19 05:23:28,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:28,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:23:28,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:23:28,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:23:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:23:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:23:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:23:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:23:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:23:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:23:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure functionized1 [2023-11-19 05:23:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure functionized1 [2023-11-19 05:23:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure functionized0 [2023-11-19 05:23:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure functionized0 [2023-11-19 05:23:28,868 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:23:28,870 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:23:29,271 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:23:29,571 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:23:29,571 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:23:29,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:29 BoogieIcfgContainer [2023-11-19 05:23:29,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:23:29,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:23:29,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:23:29,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:23:29,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:23:28" (1/3) ... [2023-11-19 05:23:29,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69dbcd81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:29, skipping insertion in model container [2023-11-19 05:23:29,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:28" (2/3) ... [2023-11-19 05:23:29,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69dbcd81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:29, skipping insertion in model container [2023-11-19 05:23:29,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:29" (3/3) ... [2023-11-19 05:23:29,591 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_functionizing_file-0.i [2023-11-19 05:23:29,610 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:23:29,610 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:23:29,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:23:29,681 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@76d1ac3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:23:29,682 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:23:29,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 29 states have (on average 1.206896551724138) internal successors, (35), 30 states have internal predecessors, (35), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:23:29,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 05:23:29,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:29,700 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:29,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:29,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:29,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1701364741, now seen corresponding path program 1 times [2023-11-19 05:23:29,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:23:29,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636264103] [2023-11-19 05:23:29,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:29,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:23:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:23:30,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:23:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:23:30,427 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:23:30,430 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:23:30,431 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:23:30,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:23:30,438 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:23:30,445 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:23:30,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret14 could not be translated [2023-11-19 05:23:30,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret14 could not be translated [2023-11-19 05:23:30,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite16 could not be translated [2023-11-19 05:23:30,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:23:30 BoogieIcfgContainer [2023-11-19 05:23:30,565 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:23:30,566 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:23:30,566 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:23:30,566 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:23:30,567 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:29" (3/4) ... [2023-11-19 05:23:30,569 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:23:30,570 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:23:30,571 INFO L158 Benchmark]: Toolchain (without parser) took 2377.91ms. Allocated memory is still 178.3MB. Free memory was 131.1MB in the beginning and 78.1MB in the end (delta: 53.1MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2023-11-19 05:23:30,571 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:23:30,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.21ms. Allocated memory is still 178.3MB. Free memory was 131.1MB in the beginning and 116.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:23:30,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.39ms. Allocated memory is still 178.3MB. Free memory was 116.5MB in the beginning and 113.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:23:30,573 INFO L158 Benchmark]: Boogie Preprocessor took 56.58ms. Allocated memory is still 178.3MB. Free memory was 113.4MB in the beginning and 111.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:23:30,574 INFO L158 Benchmark]: RCFGBuilder took 888.77ms. Allocated memory is still 178.3MB. Free memory was 111.7MB in the beginning and 126.3MB in the end (delta: -14.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 05:23:30,575 INFO L158 Benchmark]: TraceAbstraction took 984.33ms. Allocated memory is still 178.3MB. Free memory was 125.1MB in the beginning and 79.0MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 05:23:30,575 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 178.3MB. Free memory was 79.0MB in the beginning and 78.1MB in the end (delta: 923.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:23:30,579 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.21ms. Allocated memory is still 178.3MB. Free memory was 131.1MB in the beginning and 116.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.39ms. Allocated memory is still 178.3MB. Free memory was 116.5MB in the beginning and 113.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.58ms. Allocated memory is still 178.3MB. Free memory was 113.4MB in the beginning and 111.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 888.77ms. Allocated memory is still 178.3MB. Free memory was 111.7MB in the beginning and 126.3MB in the end (delta: -14.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 984.33ms. Allocated memory is still 178.3MB. Free memory was 125.1MB in the beginning and 79.0MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 178.3MB. Free memory was 79.0MB in the beginning and 78.1MB in the end (delta: 923.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite16 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 68, overapproximation of someBinaryFLOATComparisonOperation at line 141. Possible FailurePath: [L28] unsigned char isInitial = 0; [L29] signed long int var_1_1 = 0; [L30] unsigned char var_1_2 = 0; [L31] unsigned char var_1_3 = 32; [L32] signed long int var_1_4 = -32; [L33] signed long int var_1_5 = 2; [L34] signed short int var_1_6 = -10; [L35] unsigned long int var_1_7 = 1; [L36] unsigned char var_1_8 = 0; [L37] unsigned long int var_1_9 = 3470417420; [L38] unsigned char var_1_10 = 0; [L39] double var_1_11 = 32.875; [L40] double var_1_12 = 25.6; [L41] double var_1_13 = 1.75; [L42] float var_1_14 = 5.4; [L43] float var_1_15 = 127.5; [L44] float var_1_16 = 3.5; [L45] signed long int var_1_17 = 64; [L46] unsigned char var_1_18 = 64; [L145] isInitial = 1 [L146] FCALL initially() [L147] COND TRUE 1 [L148] FCALL updateLastVariables() [L149] CALL updateVariables() [L108] var_1_2 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L110] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L111] var_1_3 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L113] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L114] var_1_4 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_4 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_4 >= -1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L116] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L117] var_1_9 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L119] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L120] var_1_10 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L122] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L123] var_1_11 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L125] var_1_12 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L127] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L128] var_1_13 = __VERIFIER_nondet_double() [L129] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L130] var_1_15 = __VERIFIER_nondet_float() [L131] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967301, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967301, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L132] var_1_16 = __VERIFIER_nondet_float() [L133] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967301, var_1_16=4294967301, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967301, var_1_16=4294967301, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L134] var_1_18 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967301, var_1_16=4294967301, var_1_17=64, var_1_18=4, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967301, var_1_16=4294967301, var_1_17=64, var_1_18=4, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L136] CALL assume_abort_if_not(var_1_18 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967301, var_1_16=4294967301, var_1_17=64, var_1_18=4, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_18 <= 255) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967301, var_1_16=4294967301, var_1_17=64, var_1_18=4, var_1_1=0, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L149] RET updateVariables() [L150] CALL step() [L77] COND TRUE var_1_2 > (- var_1_3) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967301, var_1_16=4294967301, var_1_17=64, var_1_18=4, var_1_1=0, var_1_2=5, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L78] CALL, EXPR functionized0(var_1_4) VAL [\old(functionized0_localFunctionVar0)=28, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967301, var_1_16=4294967301, var_1_17=64, var_1_18=4, var_1_1=0, var_1_2=5, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L48] return (var_1_2 + functionized0_localFunctionVar0); [L78] RET, EXPR functionized0(var_1_4) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967301, var_1_16=4294967301, var_1_17=64, var_1_18=4, var_1_1=0, var_1_2=5, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L78] EXPR ((var_1_3) > (functionized0(var_1_4))) ? (var_1_3) : (functionized0(var_1_4)) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967301, var_1_16=4294967301, var_1_17=64, var_1_18=4, var_1_1=0, var_1_2=5, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L78] var_1_1 = ((((var_1_3) > (functionized0(var_1_4))) ? (var_1_3) : (functionized0(var_1_4)))) [L82] CALL functionized2(var_1_4, var_1_3) [L54] COND FALSE !(functionized2_localFunctionVar1 < var_1_2) [L82] RET functionized2(var_1_4, var_1_3) [L83] CALL, EXPR functionized3(var_1_5) [L59] return (- functionized3_localFunctionVar0); [L83] RET, EXPR functionized3(var_1_5) [L83] COND FALSE !(var_1_2 < functionized3(var_1_5)) [L86] COND FALSE !(var_1_1 > var_1_3) [L91] CALL functionized5(var_1_11, var_1_2, var_1_13) [L65] COND TRUE (- 8u) >= (var_1_9 - functionized5_localFunctionVar1) [L66] var_1_8 = (! var_1_10) [L91] RET functionized5(var_1_11, var_1_2, var_1_13) [L92] COND TRUE (var_1_12 * var_1_11) > var_1_13 [L93] COND FALSE !(var_1_9 < var_1_5) [L96] var_1_14 = var_1_15 [L101] CALL, EXPR functionized6(var_1_13) [L72] return ((((functionized6_localFunctionVar0) < (var_1_16)) ? (functionized6_localFunctionVar0) : (var_1_16))); [L101] RET, EXPR functionized6(var_1_13) [L101] COND TRUE ((var_1_11 + var_1_14) / 9.2) < functionized6(var_1_13) [L102] var_1_17 = ((((var_1_2) > (var_1_18)) ? (var_1_2) : (var_1_18))) [L150] RET step() [L151] CALL, EXPR property() [L141-L142] return (((((((var_1_2 > (- var_1_3)) ? (var_1_1 == ((signed long int) ((((var_1_3) > ((var_1_2 + var_1_4))) ? (var_1_3) : ((var_1_2 + var_1_4)))))) : (var_1_1 == ((signed long int) (((((1 - var_1_2)) < (16)) ? ((1 - var_1_2)) : (16)))))) && ((var_1_3 < var_1_2) ? (var_1_5 == ((signed long int) ((var_1_2 - var_1_3) + var_1_4))) : 1)) && ((var_1_2 < (- var_1_5)) ? (var_1_6 == ((signed short int) (32 - var_1_3))) : 1)) && ((var_1_1 > var_1_3) ? ((var_1_4 <= var_1_6) ? (var_1_7 == ((unsigned long int) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : 1) : 1)) && (((- 8u) >= (var_1_9 - var_1_2)) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (var_1_8 == ((unsigned char) (((var_1_11 / var_1_12) >= var_1_13) || var_1_10))))) && (((var_1_12 * var_1_11) > var_1_13) ? ((var_1_9 < var_1_5) ? (var_1_14 == ((float) var_1_15)) : (var_1_14 == ((float) var_1_15))) : (var_1_14 == ((float) var_1_16)))) && ((((var_1_11 + var_1_14) / 9.2) < ((((var_1_13) < (var_1_16)) ? (var_1_13) : (var_1_16)))) ? (var_1_17 == ((signed long int) ((((var_1_2) > (var_1_18)) ? (var_1_2) : (var_1_18))))) : (var_1_17 == ((signed long int) var_1_4))) ; [L151] RET, EXPR property() [L151] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=4294967301, var_1_15=4294967301, var_1_16=4294967301, var_1_17=5, var_1_18=4, var_1_1=34, var_1_2=5, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967302, var_1_13=4294967301, var_1_14=4294967301, var_1_15=4294967301, var_1_16=4294967301, var_1_17=5, var_1_18=4, var_1_1=34, var_1_2=5, var_1_3=34, var_1_4=28, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967293] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 18, 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=56occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:23:30,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ --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 e7999cbc02495ec6922b91474a62a692fbfb55ed13055ddc827dcb10c95c728f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:23:33,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:23:33,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:23:33,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:23:33,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:23:33,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:23:33,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:23:33,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:23:33,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:23:33,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:23:33,392 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:23:33,393 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:23:33,393 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:23:33,395 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:23:33,395 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:23:33,395 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:23:33,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:23:33,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:23:33,398 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:23:33,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:23:33,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:23:33,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:23:33,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:23:33,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:23:33,401 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:23:33,401 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:23:33,402 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:23:33,402 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:23:33,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:23:33,403 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:23:33,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:23:33,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:23:33,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:23:33,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:33,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:23:33,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:23:33,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:23:33,406 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:23:33,407 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:23:33,408 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:23:33,408 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:23:33,408 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:23:33,409 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7999cbc02495ec6922b91474a62a692fbfb55ed13055ddc827dcb10c95c728f [2023-11-19 05:23:33,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:23:33,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:23:33,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:23:33,870 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:23:33,871 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:23:33,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i [2023-11-19 05:23:37,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:23:37,547 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:23:37,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i [2023-11-19 05:23:37,565 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/data/79e361095/39fe414bf6514ab1a18ec8dd59ceafc9/FLAG19a5b78ba [2023-11-19 05:23:37,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/data/79e361095/39fe414bf6514ab1a18ec8dd59ceafc9 [2023-11-19 05:23:37,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:23:37,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:23:37,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:37,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:23:37,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:23:37,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:37" (1/1) ... [2023-11-19 05:23:37,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38cf88cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:37, skipping insertion in model container [2023-11-19 05:23:37,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:37" (1/1) ... [2023-11-19 05:23:37,658 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:23:37,860 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i[919,932] [2023-11-19 05:23:37,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:37,977 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:23:37,994 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i[919,932] [2023-11-19 05:23:38,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:38,080 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:23:38,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38 WrapperNode [2023-11-19 05:23:38,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:38,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:38,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:23:38,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:23:38,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,170 INFO L138 Inliner]: procedures = 34, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 164 [2023-11-19 05:23:38,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:38,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:23:38,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:23:38,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:23:38,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:23:38,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:23:38,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:23:38,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:23:38,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:38,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:23:38,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:23:38,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:23:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:23:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:23:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:23:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:23:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:23:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:23:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure functionized1 [2023-11-19 05:23:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure functionized1 [2023-11-19 05:23:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure functionized0 [2023-11-19 05:23:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure functionized0 [2023-11-19 05:23:38,470 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:23:38,473 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:23:52,461 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:23:52,472 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:23:52,472 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:23:52,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:52 BoogieIcfgContainer [2023-11-19 05:23:52,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:23:52,481 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:23:52,481 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:23:52,485 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:23:52,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:23:37" (1/3) ... [2023-11-19 05:23:52,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290d1d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:52, skipping insertion in model container [2023-11-19 05:23:52,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (2/3) ... [2023-11-19 05:23:52,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290d1d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:52, skipping insertion in model container [2023-11-19 05:23:52,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:52" (3/3) ... [2023-11-19 05:23:52,489 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_functionizing_file-0.i [2023-11-19 05:23:52,505 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:23:52,506 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:23:52,564 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:23:52,572 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@70269473, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:23:52,572 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:23:52,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 55 states have internal predecessors, (70), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:23:52,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 05:23:52,596 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:52,597 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:52,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:52,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:52,603 INFO L85 PathProgramCache]: Analyzing trace with hash -700010674, now seen corresponding path program 1 times [2023-11-19 05:23:52,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:23:52,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776829637] [2023-11-19 05:23:52,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:52,619 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:23:52,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:23:52,624 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:23:52,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:23:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:54,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:23:54,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:23:54,775 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-11-19 05:23:54,775 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:23:54,776 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:23:54,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776829637] [2023-11-19 05:23:54,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [776829637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:54,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:54,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:23:54,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811125183] [2023-11-19 05:23:54,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:54,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:23:54,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:23:54,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:23:54,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:23:54,817 INFO L87 Difference]: Start difference. First operand has 81 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 55 states have internal predecessors, (70), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 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 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 05:23:54,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:54,850 INFO L93 Difference]: Finished difference Result 155 states and 240 transitions. [2023-11-19 05:23:54,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:23:54,852 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 130 [2023-11-19 05:23:54,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:54,860 INFO L225 Difference]: With dead ends: 155 [2023-11-19 05:23:54,861 INFO L226 Difference]: Without dead ends: 77 [2023-11-19 05:23:54,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:23:54,868 INFO L413 NwaCegarLoop]: 107 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, 107 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 [2023-11-19 05:23:54,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:23:54,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-19 05:23:54,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-19 05:23:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.2352941176470589) internal successors, (63), 51 states have internal predecessors, (63), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:23:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2023-11-19 05:23:54,918 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 130 [2023-11-19 05:23:54,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:54,918 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2023-11-19 05:23:54,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 05:23:54,919 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2023-11-19 05:23:54,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 05:23:54,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:54,924 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:54,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:23:55,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:23:55,133 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:55,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:55,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1502218798, now seen corresponding path program 1 times [2023-11-19 05:23:55,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:23:55,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87766931] [2023-11-19 05:23:55,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:55,136 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:23:55,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:23:55,137 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:23:55,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c45c3d-db89-471a-9450-f8de9ad99787/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:23:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:59,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-19 05:23:59,932 INFO L285 TraceCheckSpWp]: Computing forward predicates...