./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-83.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX --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 45462a44a1fe505808d67e91a78e67cafa96659e5550122c89dde2fcb9d12b79 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:10:33,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:10:33,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:10:33,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:10:33,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:10:33,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:10:33,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:10:33,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:10:33,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:10:33,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:10:33,405 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:10:33,406 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:10:33,406 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:10:33,409 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:10:33,410 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:10:33,410 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:10:33,411 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:10:33,411 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:10:33,412 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:10:33,413 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:10:33,413 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:10:33,414 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:10:33,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:10:33,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:10:33,416 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:10:33,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:10:33,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:10:33,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:10:33,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:10:33,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:10:33,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:10:33,421 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:10:33,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:10:33,421 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:10:33,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:10:33,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:10:33,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:33,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:10:33,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:10:33,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:10:33,424 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:10:33,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:10:33,425 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:10:33,425 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:10:33,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:10:33,426 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_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45462a44a1fe505808d67e91a78e67cafa96659e5550122c89dde2fcb9d12b79 [2023-11-12 00:10:33,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:10:33,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:10:33,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:10:33,764 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:10:33,764 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:10:33,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-83.i [2023-11-12 00:10:37,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:37,314 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:37,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-83.i [2023-11-12 00:10:37,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/data/768dddf51/8dcd322ee00c49d3975d85cb4457d14f/FLAG23979e9f8 [2023-11-12 00:10:37,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/data/768dddf51/8dcd322ee00c49d3975d85cb4457d14f [2023-11-12 00:10:37,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:37,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:37,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:37,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:37,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:37,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:37" (1/1) ... [2023-11-12 00:10:37,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52973d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37, skipping insertion in model container [2023-11-12 00:10:37,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:37" (1/1) ... [2023-11-12 00:10:37,376 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:37,559 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_f67beef0-2997-4a91-afd2-ba468f5efb4e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-83.i[915,928] [2023-11-12 00:10:37,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:37,596 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:37,609 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_f67beef0-2997-4a91-afd2-ba468f5efb4e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-83.i[915,928] [2023-11-12 00:10:37,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:37,637 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:37,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37 WrapperNode [2023-11-12 00:10:37,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:37,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:37,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:37,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:37,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2023-11-12 00:10:37,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2023-11-12 00:10:37,680 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 61 [2023-11-12 00:10:37,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:37,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:37,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:37,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:37,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2023-11-12 00:10:37,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2023-11-12 00:10:37,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2023-11-12 00:10:37,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2023-11-12 00:10:37,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2023-11-12 00:10:37,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2023-11-12 00:10:37,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2023-11-12 00:10:37,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2023-11-12 00:10:37,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:37,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:37,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:37,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:37,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (1/1) ... [2023-11-12 00:10:37,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:37,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:37,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:37,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:10:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:10:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:10:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:37,879 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:37,881 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:10:38,057 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:10:38,144 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:10:38,144 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:10:38,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:38 BoogieIcfgContainer [2023-11-12 00:10:38,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:10:38,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:10:38,152 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:10:38,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:10:38,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:37" (1/3) ... [2023-11-12 00:10:38,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6697dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:38, skipping insertion in model container [2023-11-12 00:10:38,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:37" (2/3) ... [2023-11-12 00:10:38,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6697dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:38, skipping insertion in model container [2023-11-12 00:10:38,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:38" (3/3) ... [2023-11-12 00:10:38,181 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-83.i [2023-11-12 00:10:38,204 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:10:38,205 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:10:38,252 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:10:38,267 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;@2ae4370d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:10:38,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:10:38,271 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-12 00:10:38,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:10:38,279 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:38,279 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:38,280 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:38,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:38,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1533660774, now seen corresponding path program 1 times [2023-11-12 00:10:38,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:10:38,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783964771] [2023-11-12 00:10:38,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:38,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:10:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:10:38,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:10:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:10:38,609 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:10:38,611 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:10:38,613 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:10:38,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:10:38,624 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:10:38,628 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:10:38,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:10:38 BoogieIcfgContainer [2023-11-12 00:10:38,689 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:10:38,694 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:10:38,694 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:10:38,695 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:10:38,695 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:38" (3/4) ... [2023-11-12 00:10:38,700 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:10:38,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:10:38,704 INFO L158 Benchmark]: Toolchain (without parser) took 1360.79ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 94.6MB in the beginning and 123.6MB in the end (delta: -29.0MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2023-11-12 00:10:38,705 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory was 85.1MB in the beginning and 85.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:10:38,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.50ms. Allocated memory is still 138.4MB. Free memory was 94.1MB in the beginning and 83.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:10:38,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.20ms. Allocated memory is still 138.4MB. Free memory was 83.3MB in the beginning and 81.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:10:38,714 INFO L158 Benchmark]: Boogie Preprocessor took 33.95ms. Allocated memory is still 138.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:10:38,715 INFO L158 Benchmark]: RCFGBuilder took 432.19ms. Allocated memory is still 138.4MB. Free memory was 79.9MB in the beginning and 65.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:10:38,717 INFO L158 Benchmark]: TraceAbstraction took 537.73ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 64.4MB in the beginning and 123.6MB in the end (delta: -59.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:10:38,717 INFO L158 Benchmark]: Witness Printer took 8.09ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 123.6MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:10:38,729 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory was 85.1MB in the beginning and 85.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.50ms. Allocated memory is still 138.4MB. Free memory was 94.1MB in the beginning and 83.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.20ms. Allocated memory is still 138.4MB. Free memory was 83.3MB in the beginning and 81.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.95ms. Allocated memory is still 138.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.19ms. Allocated memory is still 138.4MB. Free memory was 79.9MB in the beginning and 65.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 537.73ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 64.4MB in the beginning and 123.6MB in the end (delta: -59.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.09ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 123.6MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 34. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 2; [L23] unsigned char var_1_5 = 128; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 10; [L26] float var_1_8 = 128.25; [L27] float var_1_9 = 49.8; [L28] unsigned short int var_1_10 = 5; [L58] isInitial = 1 [L59] FCALL initially() [L60] COND TRUE 1 [L61] FCALL updateLastVariables() [L62] CALL updateVariables() [L42] var_1_5 = __VERIFIER_nondet_uchar() [L43] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_1=2, var_1_5=127, var_1_6=0, var_1_7=10, var_1_8=513/4, var_1_9=249/5] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, var_1_10=5, var_1_1=2, var_1_5=127, var_1_6=0, var_1_7=10, var_1_8=513/4, var_1_9=249/5] [L44] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_1=2, var_1_5=127, var_1_6=0, var_1_7=10, var_1_8=513/4, var_1_9=249/5] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, var_1_10=5, var_1_1=2, var_1_5=127, var_1_6=0, var_1_7=10, var_1_8=513/4, var_1_9=249/5] [L45] var_1_6 = __VERIFIER_nondet_uchar() [L46] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_1=2, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=513/4, var_1_9=249/5] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=5, var_1_1=2, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=513/4, var_1_9=249/5] [L47] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_1=2, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=513/4, var_1_9=249/5] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=5, var_1_1=2, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=513/4, var_1_9=249/5] [L48] var_1_9 = __VERIFIER_nondet_float() [L49] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_1=2, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=513/4, var_1_9=133] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_1=2, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=513/4, var_1_9=133] [L62] RET updateVariables() [L63] CALL step() [L32] var_1_7 = var_1_5 [L33] var_1_8 = var_1_9 [L34] COND FALSE !(((var_1_8 + var_1_8) * var_1_8) < -0.5f) [L37] var_1_1 = var_1_5 [L39] var_1_10 = var_1_1 [L63] RET step() [L64] CALL, EXPR property() [L54-L55] return ((((((var_1_8 + var_1_8) * var_1_8) < -0.5f) ? (var_1_1 == ((unsigned char) (var_1_5 - var_1_6))) : (var_1_1 == ((unsigned char) var_1_5))) && (var_1_7 == ((unsigned char) var_1_5))) && (var_1_8 == ((float) var_1_9))) && (var_1_10 == ((unsigned short int) var_1_1)) ; [L64] RET, EXPR property() [L64] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_1=127, var_1_5=127, var_1_6=1, var_1_7=127, var_1_8=133, var_1_9=133] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_1=127, var_1_5=127, var_1_6=1, var_1_7=127, var_1_8=133, var_1_9=133] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 5, 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=17occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 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 [2023-11-12 00:10:38,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX --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 45462a44a1fe505808d67e91a78e67cafa96659e5550122c89dde2fcb9d12b79 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:10:41,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:10:41,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:10:41,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:10:41,674 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:10:41,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:10:41,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:10:41,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:10:41,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:10:41,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:10:41,728 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:10:41,728 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:10:41,729 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:10:41,730 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:10:41,731 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:10:41,731 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:10:41,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:10:41,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:10:41,733 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:10:41,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:10:41,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:10:41,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:10:41,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:10:41,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:10:41,736 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:10:41,737 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:10:41,737 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:10:41,738 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:10:41,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:10:41,738 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:10:41,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:10:41,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:10:41,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:10:41,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:41,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:10:41,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:10:41,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:10:41,742 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:10:41,742 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:41,743 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:10:41,743 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:10:41,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:10:41,744 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_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45462a44a1fe505808d67e91a78e67cafa96659e5550122c89dde2fcb9d12b79 [2023-11-12 00:10:42,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:10:42,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:10:42,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:10:42,144 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:10:42,148 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:10:42,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-83.i [2023-11-12 00:10:45,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:45,763 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:45,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-83.i [2023-11-12 00:10:45,776 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/data/786eedf70/572d8149320446de8a2435d51233256c/FLAG4db4d33b1 [2023-11-12 00:10:45,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/data/786eedf70/572d8149320446de8a2435d51233256c [2023-11-12 00:10:45,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:45,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:45,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:45,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:45,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:45,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:45" (1/1) ... [2023-11-12 00:10:45,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ba4f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:45, skipping insertion in model container [2023-11-12 00:10:45,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:45" (1/1) ... [2023-11-12 00:10:45,828 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:46,039 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_f67beef0-2997-4a91-afd2-ba468f5efb4e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-83.i[915,928] [2023-11-12 00:10:46,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:46,122 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:46,139 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_f67beef0-2997-4a91-afd2-ba468f5efb4e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-83.i[915,928] [2023-11-12 00:10:46,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:46,195 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:46,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:46 WrapperNode [2023-11-12 00:10:46,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:46,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:46,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:46,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:46,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:46" (1/1) ... [2023-11-12 00:10:46,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:46" (1/1) ... [2023-11-12 00:10:46,267 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 61 [2023-11-12 00:10:46,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:46,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:46,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:46,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:46,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:46" (1/1) ... [2023-11-12 00:10:46,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:46" (1/1) ... [2023-11-12 00:10:46,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:46" (1/1) ... [2023-11-12 00:10:46,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:46" (1/1) ... [2023-11-12 00:10:46,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:46" (1/1) ... [2023-11-12 00:10:46,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:46" (1/1) ... [2023-11-12 00:10:46,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:46" (1/1) ... [2023-11-12 00:10:46,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:46" (1/1) ... [2023-11-12 00:10:46,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:46,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:46,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:46,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:46,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:46" (1/1) ... [2023-11-12 00:10:46,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:46,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:46,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:46,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:10:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:10:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:10:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:46,576 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:46,578 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:10:47,897 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:10:47,908 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:10:47,912 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:10:47,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:47 BoogieIcfgContainer [2023-11-12 00:10:47,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:10:47,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:10:47,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:10:47,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:10:47,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:45" (1/3) ... [2023-11-12 00:10:47,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7c221e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:47, skipping insertion in model container [2023-11-12 00:10:47,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:46" (2/3) ... [2023-11-12 00:10:47,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7c221e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:47, skipping insertion in model container [2023-11-12 00:10:47,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:47" (3/3) ... [2023-11-12 00:10:47,933 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-83.i [2023-11-12 00:10:47,958 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:10:47,958 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:10:48,035 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:10:48,045 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;@4d3ebb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:10:48,046 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:10:48,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-12 00:10:48,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-12 00:10:48,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:48,068 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:48,071 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:48,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:48,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1746521965, now seen corresponding path program 1 times [2023-11-12 00:10:48,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:48,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718726503] [2023-11-12 00:10:48,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:48,101 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 [2023-11-12 00:10:48,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:48,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:10:48,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:10:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:48,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:10:48,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:48,435 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-12 00:10:48,435 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:10:48,436 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:48,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718726503] [2023-11-12 00:10:48,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718726503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:48,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:48,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:10:48,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655147361] [2023-11-12 00:10:48,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:48,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:10:48,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:48,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:10:48,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:10:48,491 INFO L87 Difference]: Start difference. First operand has 29 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-12 00:10:48,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:48,523 INFO L93 Difference]: Finished difference Result 51 states and 73 transitions. [2023-11-12 00:10:48,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:10:48,527 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2023-11-12 00:10:48,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:48,535 INFO L225 Difference]: With dead ends: 51 [2023-11-12 00:10:48,535 INFO L226 Difference]: Without dead ends: 25 [2023-11-12 00:10:48,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:10:48,544 INFO L413 NwaCegarLoop]: 29 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, 29 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 [2023-11-12 00:10:48,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:10:48,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-12 00:10:48,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-12 00:10:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-12 00:10:48,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2023-11-12 00:10:48,595 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 39 [2023-11-12 00:10:48,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:48,596 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-12 00:10:48,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-12 00:10:48,596 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-12 00:10:48,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-12 00:10:48,601 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:48,601 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:48,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:10:48,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:10:48,817 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:48,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:48,820 INFO L85 PathProgramCache]: Analyzing trace with hash -482669553, now seen corresponding path program 1 times [2023-11-12 00:10:48,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:48,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910259293] [2023-11-12 00:10:48,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:48,824 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 [2023-11-12 00:10:48,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:48,826 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:10:48,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:10:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:49,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 00:10:49,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-12 00:10:53,548 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:10:53,548 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:53,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910259293] [2023-11-12 00:10:53,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1910259293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:53,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:53,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-12 00:10:53,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677606320] [2023-11-12 00:10:53,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:53,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 00:10:53,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:53,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 00:10:53,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-12 00:10:53,553 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-12 00:10:57,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:57,307 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2023-11-12 00:10:57,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-12 00:10:57,318 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 39 [2023-11-12 00:10:57,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:57,319 INFO L225 Difference]: With dead ends: 44 [2023-11-12 00:10:57,319 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:10:57,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2023-11-12 00:10:57,322 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 38 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:57,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 106 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-12 00:10:57,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:10:57,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:10:57,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:10:57,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:10:57,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2023-11-12 00:10:57,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:57,325 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:10:57,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-12 00:10:57,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:10:57,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:10:57,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:10:57,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:57,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:10:57,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 00:10:58,223 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 40) no Hoare annotation was computed. [2023-11-12 00:10:58,224 INFO L895 garLoopResultBuilder]: At program point L60-2(lines 60 66) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 (fp.neg .cse0)) (fp.leq ~var_1_9~0 (fp.neg .cse1))) (and (fp.leq ~var_1_9~0 .cse0) (fp.geq ~var_1_9~0 .cse1)))) [2023-11-12 00:10:58,225 INFO L899 garLoopResultBuilder]: For program point L60-3(lines 60 66) no Hoare annotation was computed. [2023-11-12 00:10:58,225 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-12 00:10:58,228 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-12 00:10:58,228 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-12 00:10:58,228 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-12 00:10:58,229 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 57 68) no Hoare annotation was computed. [2023-11-12 00:10:58,229 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 00:10:58,229 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 00:10:58,229 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-12 00:10:58,230 INFO L902 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: true [2023-11-12 00:10:58,230 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 41 50) no Hoare annotation was computed. [2023-11-12 00:10:58,230 INFO L899 garLoopResultBuilder]: For program point property_returnLabel#1(lines 53 56) no Hoare annotation was computed. [2023-11-12 00:10:58,230 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 00:10:58,231 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 30) no Hoare annotation was computed. [2023-11-12 00:10:58,232 INFO L895 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 (fp.neg .cse0)) (fp.leq ~var_1_9~0 (fp.neg .cse1))) (and (fp.leq ~var_1_9~0 .cse0) (fp.geq ~var_1_9~0 .cse1)))) [2023-11-12 00:10:58,234 INFO L895 garLoopResultBuilder]: At program point L46-1(line 46) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 (fp.neg .cse0)) (fp.leq ~var_1_9~0 (fp.neg .cse1))) (and (fp.leq ~var_1_9~0 .cse0) (fp.geq ~var_1_9~0 .cse1)))) [2023-11-12 00:10:58,235 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 00:10:58,235 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 38) no Hoare annotation was computed. [2023-11-12 00:10:58,236 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 34 38) no Hoare annotation was computed. [2023-11-12 00:10:58,237 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2023-11-12 00:10:58,237 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-11-12 00:10:58,238 INFO L895 garLoopResultBuilder]: At program point L43(line 43) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 (fp.neg .cse0)) (fp.leq ~var_1_9~0 (fp.neg .cse1))) (and (fp.leq ~var_1_9~0 .cse0) (fp.geq ~var_1_9~0 .cse1)))) [2023-11-12 00:10:58,244 INFO L895 garLoopResultBuilder]: At program point L43-1(line 43) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 (fp.neg .cse0)) (fp.leq ~var_1_9~0 (fp.neg .cse1))) (and (fp.leq ~var_1_9~0 .cse0) (fp.geq ~var_1_9~0 .cse1)))) [2023-11-12 00:10:58,244 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-12 00:10:58,245 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-12 00:10:58,245 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-12 00:10:58,245 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-12 00:10:58,248 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 00:10:58,251 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:10:58,262 ERROR L464 ceAbstractionStarter]: Failed to backtranslate (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 (fp.neg .cse0)) (fp.leq ~var_1_9~0 (fp.neg .cse1))) (and (fp.leq ~var_1_9~0 .cse0) (fp.geq ~var_1_9~0 .cse1)))) [2023-11-12 00:10:58,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:10:58 BoogieIcfgContainer [2023-11-12 00:10:58,266 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:10:58,266 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:10:58,267 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:10:58,267 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:10:58,268 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:47" (3/4) ... [2023-11-12 00:10:58,270 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:10:58,274 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-12 00:10:58,279 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-12 00:10:58,280 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 00:10:58,280 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 00:10:58,280 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:10:58,360 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:10:58,360 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:10:58,360 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:10:58,361 INFO L158 Benchmark]: Toolchain (without parser) took 12565.62ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 44.2MB in the beginning and 46.2MB in the end (delta: -2.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-12 00:10:58,361 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:10:58,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.51ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 32.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:10:58,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.97ms. Allocated memory is still 69.2MB. Free memory was 32.2MB in the beginning and 30.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:10:58,363 INFO L158 Benchmark]: Boogie Preprocessor took 78.34ms. Allocated memory is still 69.2MB. Free memory was 30.6MB in the beginning and 29.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:10:58,363 INFO L158 Benchmark]: RCFGBuilder took 1567.21ms. Allocated memory is still 69.2MB. Free memory was 29.0MB in the beginning and 39.7MB in the end (delta: -10.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-11-12 00:10:58,364 INFO L158 Benchmark]: TraceAbstraction took 10345.07ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 38.9MB in the beginning and 50.7MB in the end (delta: -11.8MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-11-12 00:10:58,364 INFO L158 Benchmark]: Witness Printer took 93.95ms. Allocated memory is still 102.8MB. Free memory was 50.7MB in the beginning and 46.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:10:58,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.51ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 32.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.97ms. Allocated memory is still 69.2MB. Free memory was 32.2MB in the beginning and 30.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 78.34ms. Allocated memory is still 69.2MB. Free memory was 30.6MB in the beginning and 29.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1567.21ms. Allocated memory is still 69.2MB. Free memory was 29.0MB in the beginning and 39.7MB in the end (delta: -10.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * TraceAbstraction took 10345.07ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 38.9MB in the beginning and 50.7MB in the end (delta: -11.8MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Witness Printer took 93.95ms. Allocated memory is still 102.8MB. Free memory was 50.7MB in the beginning and 46.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 2, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 135 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 82 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 180 IncrementalHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 53 mSDtfsCounter, 180 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 21 PreInvPairs, 33 NumberOfFragments, 127 HoareAnnotationTreeSize, 21 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 275 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 215 SizeOfPredicates, 12 NumberOfNonLiveVariables, 145 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 80/80 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: NULL RESULT: Ultimate proved your program to be correct! [2023-11-12 00:10:58,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67beef0-2997-4a91-afd2-ba468f5efb4e/bin/utaipan-verify-NcY6lQBIFX/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 Writing output log to file Ultimate.log Result: TRUE