./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-75.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_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/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_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/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_003ead09-e250-41f2-9e10-f92d7a51871b/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 bc9b131c8981ce85c497cde0762e7e14c46818c854701f64f8d9e7f1c2335a08 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:51:33,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:51:33,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:51:33,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:51:33,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:51:33,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:51:33,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:51:33,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:51:33,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:51:33,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:51:33,585 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:51:33,586 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:51:33,587 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:51:33,587 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:51:33,588 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:51:33,589 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:51:33,589 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:51:33,590 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:51:33,591 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:51:33,591 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:51:33,592 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:51:33,601 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:51:33,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:51:33,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:51:33,603 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:51:33,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:51:33,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:51:33,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:51:33,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:51:33,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:51:33,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:51:33,607 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:51:33,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:51:33,608 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:51:33,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:51:33,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:51:33,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:33,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:51:33,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:51:33,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:51:33,611 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:51:33,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:51:33,612 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:51:33,613 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:51:33,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:51:33,614 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_003ead09-e250-41f2-9e10-f92d7a51871b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc9b131c8981ce85c497cde0762e7e14c46818c854701f64f8d9e7f1c2335a08 [2023-11-12 00:51:33,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:51:33,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:51:33,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:51:33,981 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:51:33,981 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:51:33,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-75.i [2023-11-12 00:51:37,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:51:37,402 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:51:37,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-75.i [2023-11-12 00:51:37,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/data/2b89779ba/1d3a8dde2e954ec798cf9948f41dcfaa/FLAGeef6ab556 [2023-11-12 00:51:37,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/data/2b89779ba/1d3a8dde2e954ec798cf9948f41dcfaa [2023-11-12 00:51:37,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:51:37,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:51:37,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:37,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:51:37,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:51:37,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:37" (1/1) ... [2023-11-12 00:51:37,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c73349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:37, skipping insertion in model container [2023-11-12 00:51:37,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:37" (1/1) ... [2023-11-12 00:51:37,472 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:51:37,625 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_003ead09-e250-41f2-9e10-f92d7a51871b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-75.i[913,926] [2023-11-12 00:51:37,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:37,694 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:51:37,717 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_003ead09-e250-41f2-9e10-f92d7a51871b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-75.i[913,926] [2023-11-12 00:51:37,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:37,784 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:51:37,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:37 WrapperNode [2023-11-12 00:51:37,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:37,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:37,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:51:37,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:51:37,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:37" (1/1) ... [2023-11-12 00:51:37,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:37" (1/1) ... [2023-11-12 00:51:37,862 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-11-12 00:51:37,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:37,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:51:37,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:51:37,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:51:37,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:37" (1/1) ... [2023-11-12 00:51:37,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:37" (1/1) ... [2023-11-12 00:51:37,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:37" (1/1) ... [2023-11-12 00:51:37,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:37" (1/1) ... [2023-11-12 00:51:37,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:37" (1/1) ... [2023-11-12 00:51:37,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:37" (1/1) ... [2023-11-12 00:51:37,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:37" (1/1) ... [2023-11-12 00:51:37,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:37" (1/1) ... [2023-11-12 00:51:37,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:51:37,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:51:37,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:51:37,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:51:37,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:37" (1/1) ... [2023-11-12 00:51:37,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:37,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:51:37,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:51:38,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:51:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:51:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:51:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:51:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:51:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:51:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:51:38,136 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:51:38,138 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:51:38,656 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:51:39,013 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:51:39,013 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:51:39,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:39 BoogieIcfgContainer [2023-11-12 00:51:39,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:51:39,019 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:51:39,019 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:51:39,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:51:39,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:51:37" (1/3) ... [2023-11-12 00:51:39,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48815254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:39, skipping insertion in model container [2023-11-12 00:51:39,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:37" (2/3) ... [2023-11-12 00:51:39,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48815254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:39, skipping insertion in model container [2023-11-12 00:51:39,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:39" (3/3) ... [2023-11-12 00:51:39,027 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-75.i [2023-11-12 00:51:39,047 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:51:39,048 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:51:39,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:51:39,118 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;@1a3c8886, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:51:39,119 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:51:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:51:39,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-12 00:51:39,140 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:39,140 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:51:39,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:51:39,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:39,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1533901065, now seen corresponding path program 1 times [2023-11-12 00:51:39,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:39,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465827132] [2023-11-12 00:51:39,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:39,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:51:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:51:39,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:51:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:51:40,067 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:51:40,069 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:51:40,070 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:51:40,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:51:40,077 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:51:40,082 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:51:40,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:51:40 BoogieIcfgContainer [2023-11-12 00:51:40,155 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:51:40,156 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:51:40,156 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:51:40,156 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:51:40,157 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:39" (3/4) ... [2023-11-12 00:51:40,159 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:51:40,160 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:51:40,161 INFO L158 Benchmark]: Toolchain (without parser) took 2729.41ms. Allocated memory is still 161.5MB. Free memory was 115.5MB in the beginning and 68.9MB in the end (delta: 46.6MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2023-11-12 00:51:40,162 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory was 88.9MB in the beginning and 88.9MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:51:40,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.03ms. Allocated memory is still 161.5MB. Free memory was 115.0MB in the beginning and 101.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:51:40,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.69ms. Allocated memory is still 161.5MB. Free memory was 101.5MB in the beginning and 98.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:51:40,164 INFO L158 Benchmark]: Boogie Preprocessor took 76.42ms. Allocated memory is still 161.5MB. Free memory was 98.9MB in the beginning and 97.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:51:40,164 INFO L158 Benchmark]: RCFGBuilder took 1076.01ms. Allocated memory is still 161.5MB. Free memory was 97.3MB in the beginning and 85.1MB in the end (delta: 12.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:51:40,165 INFO L158 Benchmark]: TraceAbstraction took 1136.81ms. Allocated memory is still 161.5MB. Free memory was 84.1MB in the beginning and 68.9MB in the end (delta: 15.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-12 00:51:40,165 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 161.5MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:51:40,169 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory was 88.9MB in the beginning and 88.9MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.03ms. Allocated memory is still 161.5MB. Free memory was 115.0MB in the beginning and 101.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.69ms. Allocated memory is still 161.5MB. Free memory was 101.5MB in the beginning and 98.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.42ms. Allocated memory is still 161.5MB. Free memory was 98.9MB in the beginning and 97.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1076.01ms. Allocated memory is still 161.5MB. Free memory was 97.3MB in the beginning and 85.1MB in the end (delta: 12.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1136.81ms. Allocated memory is still 161.5MB. Free memory was 84.1MB in the beginning and 68.9MB in the end (delta: 15.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 161.5MB. Free memory is still 68.9MB. 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 46, overapproximation of bitwiseOr at line 50, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 63.6; [L23] float var_1_4 = 128.75; [L24] float var_1_5 = 25.125; [L25] float var_1_6 = 1000000.75; [L26] unsigned char var_1_7 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 0; [L30] unsigned char var_1_14 = 0; [L31] float var_1_15 = 25.75; [L32] double var_1_16 = 0.4; [L33] double var_1_17 = 0.0; [L34] double var_1_18 = 0.0; [L35] double var_1_19 = 1000000000000.5; [L36] double var_1_20 = 24.8; [L37] signed char var_1_21 = 1; [L38] double var_1_22 = 200.8; [L39] unsigned short int var_1_23 = 40076; [L40] unsigned short int var_1_24 = 8; [L41] unsigned long int var_1_25 = 2; [L42] double last_1_var_1_22 = 200.8; [L128] isInitial = 1 [L129] FCALL initially() [L130] COND TRUE 1 [L131] CALL updateLastVariables() [L121] last_1_var_1_22 = var_1_22 [L131] RET updateLastVariables() [L132] CALL updateVariables() [L87] var_1_4 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=201/8, var_1_6=4000003/4, var_1_7=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=201/8, var_1_6=4000003/4, var_1_7=1] [L89] var_1_5 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=4000003/4, var_1_7=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=4000003/4, var_1_7=1] [L91] var_1_6 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L93] var_1_11 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L95] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L96] var_1_12 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L98] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L99] var_1_13 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L101] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L102] var_1_14 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L104] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L105] var_1_17 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L107] var_1_18 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L109] var_1_19 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L111] var_1_20 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L113] var_1_23 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_23 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_23 >= 32767) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L115] CALL assume_abort_if_not(var_1_23 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_23 <= 65535) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L116] var_1_24 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L118] CALL assume_abort_if_not(var_1_24 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_24 <= 32767) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L132] RET updateVariables() [L133] CALL step() [L46] COND TRUE ! (var_1_4 < 16.8f) [L47] var_1_15 = var_1_6 [L49] var_1_25 = var_1_23 [L50] EXPR 4 | var_1_25 [L50] EXPR (((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)) [L50] EXPR 4 | var_1_25 [L50] EXPR (((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)) [L50] COND TRUE (((((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)))) >= var_1_25 [L51] var_1_7 = ((var_1_11 && var_1_12) && var_1_13) [L59] COND FALSE !(var_1_25 > var_1_25) [L62] COND TRUE var_1_18 > (var_1_20 + (var_1_19 * var_1_17)) [L63] var_1_16 = var_1_6 [L68] unsigned long int stepLocal_1 = var_1_25; [L69] COND FALSE !(var_1_18 < (last_1_var_1_22 * var_1_4)) [L76] var_1_22 = var_1_20 [L78] unsigned char stepLocal_0 = -1 <= var_1_25; [L79] COND TRUE stepLocal_0 || var_1_7 [L80] var_1_1 = (var_1_4 + (var_1_5 + var_1_6)) [L82] COND FALSE !((- (var_1_17 + var_1_1)) >= var_1_16) [L133] RET step() [L134] CALL, EXPR property() [L124] EXPR (((-1 <= var_1_25) || var_1_7) ? (var_1_1 == ((float) (var_1_4 + (var_1_5 + var_1_6)))) : 1) && (((((((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)))) >= var_1_25) ? (var_1_7 == ((unsigned char) ((var_1_11 && var_1_12) && var_1_13))) : ((var_1_6 == var_1_15) ? (var_1_7 == ((unsigned char) var_1_14)) : (var_1_7 == ((unsigned char) var_1_13)))) [L124-L125] return ((((((((-1 <= var_1_25) || var_1_7) ? (var_1_1 == ((float) (var_1_4 + (var_1_5 + var_1_6)))) : 1) && (((((((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)))) >= var_1_25) ? (var_1_7 == ((unsigned char) ((var_1_11 && var_1_12) && var_1_13))) : ((var_1_6 == var_1_15) ? (var_1_7 == ((unsigned char) var_1_14)) : (var_1_7 == ((unsigned char) var_1_13))))) && ((! (var_1_4 < 16.8f)) ? (var_1_15 == ((float) var_1_6)) : 1)) && ((var_1_25 > var_1_25) ? (var_1_16 == ((double) ((((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_19) - var_1_20))) : ((var_1_18 > (var_1_20 + (var_1_19 * var_1_17))) ? (var_1_16 == ((double) var_1_6)) : (var_1_16 == ((double) var_1_20))))) && (((- (var_1_17 + var_1_1)) >= var_1_16) ? (var_1_21 == ((signed char) ((((-50) < 0 ) ? -(-50) : (-50))))) : 1)) && ((var_1_18 < (last_1_var_1_22 * var_1_4)) ? (((var_1_23 - var_1_24) < var_1_25) ? (var_1_22 == ((double) var_1_5)) : (var_1_22 == ((double) var_1_17))) : (var_1_22 == ((double) var_1_20)))) && (var_1_25 == ((unsigned long int) var_1_23)) ; [L134] RET, EXPR property() [L134] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=103/4, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=103/4, var_1_23=32767, var_1_24=0, var_1_25=32767, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=103/4, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=103/4, var_1_23=32767, var_1_24=0, var_1_25=32767, var_1_5=103/4, var_1_6=103/4, var_1_7=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 19, 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=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 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 00:51:40,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/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_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/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_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/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_003ead09-e250-41f2-9e10-f92d7a51871b/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 bc9b131c8981ce85c497cde0762e7e14c46818c854701f64f8d9e7f1c2335a08 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:51:42,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:51:42,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:51:42,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:51:42,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:51:42,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:51:42,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:51:42,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:51:42,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:51:43,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:51:43,001 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:51:43,001 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:51:43,002 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:51:43,004 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:51:43,004 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:51:43,005 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:51:43,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:51:43,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:51:43,007 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:51:43,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:51:43,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:51:43,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:51:43,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:51:43,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:51:43,011 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:51:43,012 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:51:43,012 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:51:43,013 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:51:43,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:51:43,014 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:51:43,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:51:43,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:51:43,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:51:43,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:43,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:51:43,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:51:43,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:51:43,018 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:51:43,019 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:51:43,020 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:51:43,020 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:51:43,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:51:43,021 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_003ead09-e250-41f2-9e10-f92d7a51871b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc9b131c8981ce85c497cde0762e7e14c46818c854701f64f8d9e7f1c2335a08 [2023-11-12 00:51:43,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:51:43,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:51:43,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:51:43,501 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:51:43,501 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:51:43,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-75.i [2023-11-12 00:51:46,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:51:46,972 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:51:46,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-75.i [2023-11-12 00:51:46,984 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/data/b11a4a87c/159ca366c3004d1bb52dcc1ade95be2d/FLAG7fcdbedab [2023-11-12 00:51:47,001 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/data/b11a4a87c/159ca366c3004d1bb52dcc1ade95be2d [2023-11-12 00:51:47,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:51:47,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:51:47,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:47,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:51:47,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:51:47,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:47" (1/1) ... [2023-11-12 00:51:47,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a35872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:47, skipping insertion in model container [2023-11-12 00:51:47,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:47" (1/1) ... [2023-11-12 00:51:47,049 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:51:47,259 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_003ead09-e250-41f2-9e10-f92d7a51871b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-75.i[913,926] [2023-11-12 00:51:47,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:47,366 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:51:47,386 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_003ead09-e250-41f2-9e10-f92d7a51871b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-75.i[913,926] [2023-11-12 00:51:47,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:47,466 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:51:47,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:47 WrapperNode [2023-11-12 00:51:47,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:47,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:47,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:51:47,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:51:47,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:47" (1/1) ... [2023-11-12 00:51:47,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:47" (1/1) ... [2023-11-12 00:51:47,555 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2023-11-12 00:51:47,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:47,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:51:47,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:51:47,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:51:47,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:47" (1/1) ... [2023-11-12 00:51:47,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:47" (1/1) ... [2023-11-12 00:51:47,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:47" (1/1) ... [2023-11-12 00:51:47,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:47" (1/1) ... [2023-11-12 00:51:47,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:47" (1/1) ... [2023-11-12 00:51:47,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:47" (1/1) ... [2023-11-12 00:51:47,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:47" (1/1) ... [2023-11-12 00:51:47,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:47" (1/1) ... [2023-11-12 00:51:47,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:51:47,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:51:47,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:51:47,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:51:47,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:47" (1/1) ... [2023-11-12 00:51:47,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:47,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:51:47,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:51:47,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:51:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:51:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:51:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:51:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:51:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:51:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:51:47,902 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:51:47,913 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:51:58,718 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:51:58,724 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:51:58,725 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:51:58,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:58 BoogieIcfgContainer [2023-11-12 00:51:58,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:51:58,732 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:51:58,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:51:58,738 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:51:58,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:51:47" (1/3) ... [2023-11-12 00:51:58,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312c89b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:58, skipping insertion in model container [2023-11-12 00:51:58,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:47" (2/3) ... [2023-11-12 00:51:58,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312c89b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:58, skipping insertion in model container [2023-11-12 00:51:58,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:58" (3/3) ... [2023-11-12 00:51:58,744 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-75.i [2023-11-12 00:51:58,764 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:51:58,764 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:51:58,830 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:51:58,837 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;@73ee33ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:51:58,838 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:51:58,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:51:58,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-12 00:51:58,861 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:58,865 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:51:58,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:51:58,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:58,873 INFO L85 PathProgramCache]: Analyzing trace with hash 438495205, now seen corresponding path program 1 times [2023-11-12 00:51:58,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:51:58,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695434015] [2023-11-12 00:51:58,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:58,889 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 00:51:58,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:51:58,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/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 00:51:58,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/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 00:51:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:59,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:51:59,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:51:59,834 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-12 00:51:59,835 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:51:59,836 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:51:59,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695434015] [2023-11-12 00:51:59,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [695434015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:51:59,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:51:59,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:51:59,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050337701] [2023-11-12 00:51:59,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:51:59,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:51:59,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:51:59,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:51:59,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:51:59,886 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 00:51:59,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:51:59,934 INFO L93 Difference]: Finished difference Result 119 states and 199 transitions. [2023-11-12 00:51:59,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:51:59,937 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 126 [2023-11-12 00:51:59,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:51:59,944 INFO L225 Difference]: With dead ends: 119 [2023-11-12 00:51:59,944 INFO L226 Difference]: Without dead ends: 59 [2023-11-12 00:51:59,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 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 00:51:59,951 INFO L413 NwaCegarLoop]: 85 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, 85 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 00:51:59,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:51:59,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-12 00:51:59,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-12 00:51:59,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:51:59,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 85 transitions. [2023-11-12 00:51:59,993 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 85 transitions. Word has length 126 [2023-11-12 00:51:59,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:51:59,993 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 85 transitions. [2023-11-12 00:51:59,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 00:51:59,994 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2023-11-12 00:51:59,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-12 00:51:59,998 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:59,998 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:00,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/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 00:52:00,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/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 00:52:00,241 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:00,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:00,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1866733803, now seen corresponding path program 1 times [2023-11-12 00:52:00,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:52:00,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459387773] [2023-11-12 00:52:00,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:00,245 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 00:52:00,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:52:00,246 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/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 00:52:00,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/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 00:52:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:01,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:52:01,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:52:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 339 proven. 108 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2023-11-12 00:52:04,738 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:52:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 117 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2023-11-12 00:52:07,207 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:52:07,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459387773] [2023-11-12 00:52:07,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1459387773] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:52:07,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [907110392] [2023-11-12 00:52:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:07,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:52:07,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:52:07,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:52:07,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:52:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:09,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-12 00:52:09,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:52:14,944 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 284 proven. 165 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-12 00:52:14,944 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:52:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 45 proven. 153 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-11-12 00:52:17,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [907110392] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:52:17,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480262046] [2023-11-12 00:52:17,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:17,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:52:17,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:52:17,178 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:52:17,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ead09-e250-41f2-9e10-f92d7a51871b/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:52:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:17,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-12 00:52:17,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:52:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 309 proven. 180 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-11-12 00:52:22,793 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:52:25,072 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 57 proven. 183 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2023-11-12 00:52:25,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480262046] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:52:25,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:52:25,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 18, 15, 21, 18] total 38 [2023-11-12 00:52:25,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696817373] [2023-11-12 00:52:25,074 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:52:25,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-11-12 00:52:25,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:52:25,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-11-12 00:52:25,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=399, Invalid=1007, Unknown=0, NotChecked=0, Total=1406 [2023-11-12 00:52:25,081 INFO L87 Difference]: Start difference. First operand 59 states and 85 transitions. Second operand has 38 states, 36 states have (on average 3.25) internal successors, (117), 35 states have internal predecessors, (117), 11 states have call successors, (60), 9 states have call predecessors, (60), 18 states have return successors, (65), 11 states have call predecessors, (65), 11 states have call successors, (65)