./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91 --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 2d9182cedd229d548c201f82860145814c664e2f98d8085b9b53829346d05f25 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:50:52,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:50:52,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:50:52,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:50:52,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:50:52,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:50:52,694 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:50:52,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:50:52,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:50:52,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:50:52,701 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:50:52,702 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:50:52,703 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:50:52,704 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:50:52,705 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:50:52,705 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:50:52,706 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:50:52,706 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:50:52,706 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:50:52,707 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:50:52,709 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:50:52,709 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:50:52,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:50:52,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:50:52,711 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:50:52,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:50:52,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:50:52,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:50:52,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:50:52,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:50:52,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:50:52,715 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:50:52,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:50:52,716 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:50:52,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:50:52,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:50:52,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:50:52,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:52,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:50:52,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:50:52,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:50:52,718 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:50:52,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:50:52,718 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:50:52,719 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:50:52,719 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:50:52,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:50:52,720 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_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d9182cedd229d548c201f82860145814c664e2f98d8085b9b53829346d05f25 [2023-11-24 23:50:52,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:50:53,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:50:53,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:50:53,020 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:50:53,020 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:50:53,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i [2023-11-24 23:50:56,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:50:56,427 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:50:56,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i [2023-11-24 23:50:56,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/data/9507ddad9/a86f3d28d986417db8895124222e661f/FLAGf66317ae0 [2023-11-24 23:50:56,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/data/9507ddad9/a86f3d28d986417db8895124222e661f [2023-11-24 23:50:56,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:50:56,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:50:56,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:56,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:50:56,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:50:56,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:56" (1/1) ... [2023-11-24 23:50:56,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a20d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:56, skipping insertion in model container [2023-11-24 23:50:56,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:56" (1/1) ... [2023-11-24 23:50:56,521 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:50:56,715 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_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i[913,926] [2023-11-24 23:50:56,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:56,799 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:50:56,815 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_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i[913,926] [2023-11-24 23:50:56,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:56,880 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:50:56,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:56 WrapperNode [2023-11-24 23:50:56,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:56,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:56,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:50:56,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:50:56,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:56" (1/1) ... [2023-11-24 23:50:56,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:56" (1/1) ... [2023-11-24 23:50:56,954 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-11-24 23:50:56,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:56,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:50:56,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:50:56,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:50:56,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:56" (1/1) ... [2023-11-24 23:50:56,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:56" (1/1) ... [2023-11-24 23:50:56,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:56" (1/1) ... [2023-11-24 23:50:56,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:56" (1/1) ... [2023-11-24 23:50:56,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:56" (1/1) ... [2023-11-24 23:50:57,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:56" (1/1) ... [2023-11-24 23:50:57,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:56" (1/1) ... [2023-11-24 23:50:57,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:56" (1/1) ... [2023-11-24 23:50:57,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:50:57,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:50:57,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:50:57,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:50:57,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:56" (1/1) ... [2023-11-24 23:50:57,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:57,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:50:57,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:50:57,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:50:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:50:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:50:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:50:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:50:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:50:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:50:57,216 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:50:57,218 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:50:57,517 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:50:57,674 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:50:57,674 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:50:57,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:57 BoogieIcfgContainer [2023-11-24 23:50:57,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:50:57,685 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:50:57,685 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:50:57,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:50:57,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:50:56" (1/3) ... [2023-11-24 23:50:57,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de8dfcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:57, skipping insertion in model container [2023-11-24 23:50:57,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:56" (2/3) ... [2023-11-24 23:50:57,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de8dfcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:57, skipping insertion in model container [2023-11-24 23:50:57,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:57" (3/3) ... [2023-11-24 23:50:57,691 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-93.i [2023-11-24 23:50:57,712 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:50:57,712 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:50:57,770 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:50:57,780 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;@36209bdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:50:57,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:50:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-24 23:50:57,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:50:57,796 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:50:57,797 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:50:57,798 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:50:57,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:50:57,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1244771287, now seen corresponding path program 1 times [2023-11-24 23:50:57,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:50:57,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535209493] [2023-11-24 23:50:57,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:57,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:50:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:50:58,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:50:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:50:58,261 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:50:58,264 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:50:58,265 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:50:58,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:50:58,272 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:50:58,276 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:50:58,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:50:58 BoogieIcfgContainer [2023-11-24 23:50:58,355 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:50:58,357 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:50:58,357 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:50:58,357 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:50:58,358 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:57" (3/4) ... [2023-11-24 23:50:58,363 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:50:58,364 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:50:58,365 INFO L158 Benchmark]: Toolchain (without parser) took 1896.15ms. Allocated memory is still 172.0MB. Free memory was 126.8MB in the beginning and 63.9MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 23:50:58,366 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:50:58,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.96ms. Allocated memory is still 172.0MB. Free memory was 126.3MB in the beginning and 113.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:50:58,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.43ms. Allocated memory is still 172.0MB. Free memory was 113.7MB in the beginning and 111.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:50:58,369 INFO L158 Benchmark]: Boogie Preprocessor took 56.21ms. Allocated memory is still 172.0MB. Free memory was 111.6MB in the beginning and 110.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:50:58,374 INFO L158 Benchmark]: RCFGBuilder took 663.10ms. Allocated memory is still 172.0MB. Free memory was 110.0MB in the beginning and 90.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:50:58,375 INFO L158 Benchmark]: TraceAbstraction took 670.27ms. Allocated memory is still 172.0MB. Free memory was 90.0MB in the beginning and 63.9MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 23:50:58,376 INFO L158 Benchmark]: Witness Printer took 7.37ms. Allocated memory is still 172.0MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:50:58,384 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.96ms. Allocated memory is still 172.0MB. Free memory was 126.3MB in the beginning and 113.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.43ms. Allocated memory is still 172.0MB. Free memory was 113.7MB in the beginning and 111.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.21ms. Allocated memory is still 172.0MB. Free memory was 111.6MB in the beginning and 110.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 663.10ms. Allocated memory is still 172.0MB. Free memory was 110.0MB in the beginning and 90.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 670.27ms. Allocated memory is still 172.0MB. Free memory was 90.0MB in the beginning and 63.9MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 7.37ms. Allocated memory is still 172.0MB. Free memory is still 63.9MB. 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 someBinaryDOUBLEComparisonOperation at line 38, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someUnaryDOUBLEoperation at line 23. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.3; [L23] double var_1_3 = -0.9; [L24] double var_1_5 = 128.5; [L25] double var_1_6 = 9.186; [L26] double var_1_7 = 31.75; [L27] double var_1_8 = 9.6; [L28] float var_1_9 = 499.2; [L29] float var_1_10 = 1.5; [L30] unsigned char var_1_11 = 0; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 1; [L34] float last_1_var_1_10 = 1.5; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L86] last_1_var_1_10 = var_1_10 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L61] var_1_3 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L63] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L64] var_1_5 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L66] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L67] var_1_6 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L69] var_1_7 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_8=48/5, var_1_9=2496/5] [L71] var_1_8 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_9=2496/5] [L73] var_1_9 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L75] var_1_12 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L77] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L78] var_1_13 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_14=1, var_1_1=2553/10] [L80] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L81] var_1_14 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L83] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L97] RET updateVariables() [L98] CALL step() [L38] COND TRUE ((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5) [L39] COND FALSE !(last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) [L42] var_1_1 = var_1_9 [L47] COND TRUE var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1)))) [L48] var_1_10 = 1.00000000000004E13f [L52] COND TRUE ! (var_1_3 <= var_1_10) [L53] var_1_11 = (var_1_12 && var_1_13) [L98] RET step() [L99] CALL, EXPR property() [L89-L90] return (((((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) ? ((last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) ? (var_1_1 == ((float) var_1_9)) : (var_1_1 == ((float) var_1_9))) : (var_1_1 == ((float) 64.51f))) && ((var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1))))) ? (var_1_10 == ((float) 1.00000000000004E13f)) : (var_1_10 == ((float) var_1_9)))) && ((! (var_1_3 <= var_1_10)) ? (var_1_11 == ((unsigned char) (var_1_12 && var_1_13))) : (((var_1_7 / var_1_3) < ((((((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) < (var_1_5)) ? (((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) : (var_1_5)))) ? (var_1_11 == ((unsigned char) var_1_14)) : 1)) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=3/2, var_1_10=50000000000002/5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=50000000000002/5, var_1_9=50000000000002/5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=3/2, var_1_10=50000000000002/5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=50000000000002/5, var_1_9=50000000000002/5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 14, 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=32occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 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 [2023-11-24 23:50:58,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91 --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 2d9182cedd229d548c201f82860145814c664e2f98d8085b9b53829346d05f25 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:51:00,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:51:00,986 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:51:00,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:51:00,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:51:01,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:51:01,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:51:01,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:51:01,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:51:01,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:51:01,048 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:51:01,049 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:51:01,049 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:51:01,051 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:51:01,052 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:51:01,052 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:51:01,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:51:01,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:51:01,054 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:51:01,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:51:01,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:51:01,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:51:01,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:51:01,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:51:01,058 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:51:01,058 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:51:01,059 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:51:01,059 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:51:01,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:51:01,060 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:51:01,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:51:01,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:51:01,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:51:01,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:51:01,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:51:01,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:51:01,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:51:01,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:51:01,064 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:51:01,065 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:51:01,065 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:51:01,066 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:51:01,066 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:51:01,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:51:01,067 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_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d9182cedd229d548c201f82860145814c664e2f98d8085b9b53829346d05f25 [2023-11-24 23:51:01,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:51:01,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:51:01,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:51:01,499 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:51:01,499 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:51:01,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i [2023-11-24 23:51:04,639 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:51:04,985 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:51:04,986 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i [2023-11-24 23:51:04,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/data/84b0fdc9f/791ae927ed8b4f5faa29884a55516afc/FLAGd45cc0ec9 [2023-11-24 23:51:05,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/data/84b0fdc9f/791ae927ed8b4f5faa29884a55516afc [2023-11-24 23:51:05,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:51:05,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:51:05,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:51:05,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:51:05,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:51:05,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:51:05" (1/1) ... [2023-11-24 23:51:05,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c260e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:05, skipping insertion in model container [2023-11-24 23:51:05,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:51:05" (1/1) ... [2023-11-24 23:51:05,056 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:51:05,238 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_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i[913,926] [2023-11-24 23:51:05,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:51:05,299 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:51:05,313 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_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i[913,926] [2023-11-24 23:51:05,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:51:05,355 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:51:05,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:05 WrapperNode [2023-11-24 23:51:05,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:51:05,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:51:05,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:51:05,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:51:05,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:05" (1/1) ... [2023-11-24 23:51:05,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:05" (1/1) ... [2023-11-24 23:51:05,446 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-11-24 23:51:05,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:51:05,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:51:05,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:51:05,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:51:05,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:05" (1/1) ... [2023-11-24 23:51:05,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:05" (1/1) ... [2023-11-24 23:51:05,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:05" (1/1) ... [2023-11-24 23:51:05,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:05" (1/1) ... [2023-11-24 23:51:05,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:05" (1/1) ... [2023-11-24 23:51:05,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:05" (1/1) ... [2023-11-24 23:51:05,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:05" (1/1) ... [2023-11-24 23:51:05,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:05" (1/1) ... [2023-11-24 23:51:05,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:51:05,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:51:05,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:51:05,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:51:05,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:05" (1/1) ... [2023-11-24 23:51:05,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:51:05,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:51:05,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:51:05,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:51:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:51:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:51:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:51:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:51:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:51:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:51:05,763 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:51:05,767 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:51:31,038 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:51:31,112 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:51:31,119 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:51:31,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:51:31 BoogieIcfgContainer [2023-11-24 23:51:31,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:51:31,122 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:51:31,122 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:51:31,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:51:31,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:51:05" (1/3) ... [2023-11-24 23:51:31,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57873347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:51:31, skipping insertion in model container [2023-11-24 23:51:31,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:05" (2/3) ... [2023-11-24 23:51:31,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57873347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:51:31, skipping insertion in model container [2023-11-24 23:51:31,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:51:31" (3/3) ... [2023-11-24 23:51:31,130 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-93.i [2023-11-24 23:51:31,150 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:51:31,151 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:51:31,201 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:51:31,207 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;@4ddf2106, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:51:31,208 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:51:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-24 23:51:31,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-24 23:51:31,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:51:31,224 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:51:31,224 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:51:31,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:51:31,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1055349895, now seen corresponding path program 1 times [2023-11-24 23:51:31,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:51:31,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749720354] [2023-11-24 23:51:31,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:51:31,256 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 [2023-11-24 23:51:31,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:51:31,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:51:31,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:51:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:51:34,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:51:34,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:51:34,698 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-11-24 23:51:34,698 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:51:34,699 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:51:34,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749720354] [2023-11-24 23:51:34,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749720354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:51:34,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:51:34,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:51:34,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442192841] [2023-11-24 23:51:34,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:51:34,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:51:34,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:51:34,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:51:34,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:51:34,760 INFO L87 Difference]: Start difference. First operand has 41 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-24 23:51:39,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:51:39,295 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:51:39,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:51:39,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:51:39,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:51:39,513 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 5 at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.undoMap(ScopedHashMap.java:97) at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.endScope(ScopedHashMap.java:127) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:101) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertCodeBlock(IncrementalHoareTripleChecker.java:436) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:278) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:284) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.releaseLock(ChainingHoareTripleChecker.java:449) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.releaseLock(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:365) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 23:51:39,517 INFO L158 Benchmark]: Toolchain (without parser) took 34499.15ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 68.5MB in the end (delta: 4.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-11-24 23:51:39,518 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 69.2MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:51:39,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.51ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 59.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:51:39,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.06ms. Allocated memory is still 96.5MB. Free memory was 59.0MB in the beginning and 56.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:51:39,520 INFO L158 Benchmark]: Boogie Preprocessor took 76.28ms. Allocated memory is still 96.5MB. Free memory was 56.8MB in the beginning and 55.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:51:39,522 INFO L158 Benchmark]: RCFGBuilder took 25593.41ms. Allocated memory is still 96.5MB. Free memory was 54.8MB in the beginning and 60.3MB in the end (delta: -5.5MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-11-24 23:51:39,525 INFO L158 Benchmark]: TraceAbstraction took 8393.98ms. Allocated memory is still 96.5MB. Free memory was 59.9MB in the beginning and 68.5MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:51:39,533 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34ms. Allocated memory is still 69.2MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.51ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 59.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.06ms. Allocated memory is still 96.5MB. Free memory was 59.0MB in the beginning and 56.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.28ms. Allocated memory is still 96.5MB. Free memory was 56.8MB in the beginning and 55.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 25593.41ms. Allocated memory is still 96.5MB. Free memory was 54.8MB in the beginning and 60.3MB in the end (delta: -5.5MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8393.98ms. Allocated memory is still 96.5MB. Free memory was 59.9MB in the beginning and 68.5MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 5 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 5: de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.undoMap(ScopedHashMap.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:51:39,753 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-24 23:51:39,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8c5141-2a2c-42c7-833d-7af1ee5fce2b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 5