./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E --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 dd98e02a958c2e630fe387017d194cc2d0adeeb7f7dbaa6eeae7739b76f0d917 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:39:09,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:39:09,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:39:09,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:39:09,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:39:09,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:39:09,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:39:09,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:39:09,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:39:09,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:39:09,924 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:39:09,926 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:39:09,926 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:39:09,926 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:39:09,928 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:39:09,928 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:39:09,929 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:39:09,929 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:39:09,929 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:39:09,929 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:39:09,929 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:39:09,929 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:39:09,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:39:09,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:39:09,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:39:09,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:39:09,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:39:09,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:39:09,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:39:09,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:39:09,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:39:09,931 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:39:09,931 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:39:09,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:39:09,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:39:09,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:39:09,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:39:09,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:39:09,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:39:09,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:39:09,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:39:09,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:39:09,934 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:39:09,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:39:09,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:39:09,934 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:39:09,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:39:09,935 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E 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 -> dd98e02a958c2e630fe387017d194cc2d0adeeb7f7dbaa6eeae7739b76f0d917 [2024-11-14 03:39:10,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:39:10,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:39:10,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:39:10,322 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:39:10,324 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:39:10,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-76.i Unable to find full path for "g++" [2024-11-14 03:39:12,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:39:12,869 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:39:12,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-76.i [2024-11-14 03:39:12,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/data/037f9c28c/a5d6e5cc8b9e48f690403e127998a0ae/FLAG3c30c55a5 [2024-11-14 03:39:13,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/data/037f9c28c/a5d6e5cc8b9e48f690403e127998a0ae [2024-11-14 03:39:13,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:39:13,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:39:13,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:39:13,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:39:13,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:39:13,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:39:13" (1/1) ... [2024-11-14 03:39:13,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce49933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:13, skipping insertion in model container [2024-11-14 03:39:13,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:39:13" (1/1) ... [2024-11-14 03:39:13,202 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:39:13,361 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-76.i[916,929] [2024-11-14 03:39:13,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:39:13,465 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:39:13,476 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-76.i[916,929] [2024-11-14 03:39:13,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:39:13,535 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:39:13,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:13 WrapperNode [2024-11-14 03:39:13,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:39:13,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:39:13,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:39:13,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:39:13,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:13" (1/1) ... [2024-11-14 03:39:13,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:13" (1/1) ... [2024-11-14 03:39:13,617 INFO L138 Inliner]: procedures = 29, calls = 138, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 417 [2024-11-14 03:39:13,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:39:13,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:39:13,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:39:13,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:39:13,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:13" (1/1) ... [2024-11-14 03:39:13,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:13" (1/1) ... [2024-11-14 03:39:13,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:13" (1/1) ... [2024-11-14 03:39:13,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:13" (1/1) ... [2024-11-14 03:39:13,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:13" (1/1) ... [2024-11-14 03:39:13,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:13" (1/1) ... [2024-11-14 03:39:13,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:13" (1/1) ... [2024-11-14 03:39:13,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:13" (1/1) ... [2024-11-14 03:39:13,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:39:13,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:39:13,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:39:13,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:39:13,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:13" (1/1) ... [2024-11-14 03:39:13,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:39:13,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:39:13,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:39:13,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:39:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:39:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 03:39:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:39:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 03:39:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:39:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-14 03:39:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:39:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:39:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:39:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:39:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:39:13,907 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:39:13,909 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:39:14,511 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2024-11-14 03:39:14,512 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:39:15,054 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:39:15,055 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:39:15,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:39:15 BoogieIcfgContainer [2024-11-14 03:39:15,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:39:15,059 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:39:15,060 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:39:15,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:39:15,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:39:13" (1/3) ... [2024-11-14 03:39:15,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b98fa8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:39:15, skipping insertion in model container [2024-11-14 03:39:15,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:13" (2/3) ... [2024-11-14 03:39:15,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b98fa8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:39:15, skipping insertion in model container [2024-11-14 03:39:15,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:39:15" (3/3) ... [2024-11-14 03:39:15,070 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-76.i [2024-11-14 03:39:15,085 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:39:15,087 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-76.i that has 2 procedures, 39 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:39:15,137 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:39:15,151 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2dccc6c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:39:15,151 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:39:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 03:39:15,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-14 03:39:15,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:15,166 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:39:15,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:39:15,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:15,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1552584077, now seen corresponding path program 1 times [2024-11-14 03:39:15,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:39:15,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907437126] [2024-11-14 03:39:15,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:15,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:39:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:24,390 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-14 03:39:24,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:39:24,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907437126] [2024-11-14 03:39:24,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907437126] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:39:24,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879091087] [2024-11-14 03:39:24,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:24,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:39:24,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:39:24,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:39:24,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:39:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:24,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-14 03:39:24,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:39:25,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:39:25,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:39:25,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-14 03:39:25,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:39:25,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-14 03:39:25,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:39:25,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-14 03:39:26,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:39:26,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-14 03:39:26,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:39:26,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-14 03:39:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:39:26,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-14 03:39:28,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:39:28,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:39:28,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:39:28,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:39:28,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:39:28,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 192 [2024-11-14 03:39:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 58 proven. 70 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-14 03:39:29,969 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:39:33,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2024-11-14 03:39:33,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2024-11-14 03:39:38,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-14 03:39:38,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-14 03:39:39,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-14 03:39:39,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-14 03:39:40,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879091087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:39:40,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [724196217] [2024-11-14 03:39:40,816 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2024-11-14 03:39:40,816 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:39:40,820 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:39:40,824 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:39:40,825 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:39:49,266 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 35 for LOIs [2024-11-14 03:39:49,270 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:40:17,166 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '262#(and (<= 1 |#StackHeapBarrier|) (= 8 |~#unsigned_char_Array_0~0.base|) (= |~#signed_char_Array_0~0.offset| 0) (= (+ ~last_1_signed_char_Array_0_1__0_~0 4) 0) (= |~#signed_long_int_Array_0~0.base| 7) (= |~#unsigned_char_Array_0~0.offset| 0) (= 6 |~#signed_char_Array_0~0.base|) (= |~#double_Array_0~0.offset| 0) (= ~isInitial~0 1) (= |~#double_Array_0~0.base| 5) (= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_long_int_Array_0~0.offset| 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))' at error location [2024-11-14 03:40:17,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:40:17,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 03:40:17,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 15 [2024-11-14 03:40:17,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110286350] [2024-11-14 03:40:17,169 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 03:40:17,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-14 03:40:17,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:40:17,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-14 03:40:17,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=1648, Unknown=7, NotChecked=0, Total=1980 [2024-11-14 03:40:17,198 INFO L87 Difference]: Start difference. First operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 15 states, 10 states have (on average 4.3) internal successors, (43), 15 states have internal predecessors, (43), 9 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 6 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-14 03:40:18,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:18,214 INFO L93 Difference]: Finished difference Result 78 states and 108 transitions. [2024-11-14 03:40:18,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 03:40:18,216 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 10 states have (on average 4.3) internal successors, (43), 15 states have internal predecessors, (43), 9 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 6 states have call predecessors, (30), 9 states have call successors, (30) Word has length 64 [2024-11-14 03:40:18,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:18,220 INFO L225 Difference]: With dead ends: 78 [2024-11-14 03:40:18,220 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 03:40:18,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 107 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 29.4s TimeCoverageRelationStatistics Valid=465, Invalid=2284, Unknown=7, NotChecked=0, Total=2756 [2024-11-14 03:40:18,226 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 11 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:40:18,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 36 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:40:18,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 03:40:18,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 03:40:18,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:40:18,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 03:40:18,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2024-11-14 03:40:18,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:18,263 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 03:40:18,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 10 states have (on average 4.3) internal successors, (43), 15 states have internal predecessors, (43), 9 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 6 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-14 03:40:18,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 03:40:18,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 03:40:18,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:40:18,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 03:40:18,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:40:18,469 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:40:18,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 03:40:19,037 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:40:19,047 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset [2024-11-14 03:40:19,050 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_long_int_Array_0~0!base [2024-11-14 03:40:19,050 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base [2024-11-14 03:40:19,050 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base [2024-11-14 03:40:19,050 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base [2024-11-14 03:40:19,050 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base [2024-11-14 03:40:19,050 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 03:40:19,051 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 03:40:19,051 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] [2024-11-14 03:40:19,051 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset [2024-11-14 03:40:19,051 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#unsigned_char_Array_0~0!base [2024-11-14 03:40:19,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset [2024-11-14 03:40:19,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_long_int_Array_0~0!base [2024-11-14 03:40:19,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base [2024-11-14 03:40:19,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base [2024-11-14 03:40:19,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base [2024-11-14 03:40:19,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base [2024-11-14 03:40:19,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset [2024-11-14 03:40:19,057 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#unsigned_char_Array_0~0!base [2024-11-14 03:40:19,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset [2024-11-14 03:40:19,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_long_int_Array_0~0!base [2024-11-14 03:40:19,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base [2024-11-14 03:40:19,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base [2024-11-14 03:40:19,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base [2024-11-14 03:40:19,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base [2024-11-14 03:40:19,058 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset [2024-11-14 03:40:19,059 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#unsigned_char_Array_0~0!base [2024-11-14 03:40:19,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:40:19 BoogieIcfgContainer [2024-11-14 03:40:19,063 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:40:19,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:40:19,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:40:19,064 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:40:19,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:39:15" (3/4) ... [2024-11-14 03:40:19,068 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 03:40:19,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-14 03:40:19,079 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-14 03:40:19,080 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-14 03:40:19,081 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-14 03:40:19,081 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 03:40:19,243 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 03:40:19,243 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 03:40:19,243 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:40:19,245 INFO L158 Benchmark]: Toolchain (without parser) took 66077.52ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 117.2MB in the beginning and 745.2MB in the end (delta: -628.0MB). Peak memory consumption was 286.2MB. Max. memory is 16.1GB. [2024-11-14 03:40:19,245 INFO L158 Benchmark]: CDTParser took 2.08ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:40:19,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.31ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 102.1MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:40:19,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.61ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 98.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:40:19,247 INFO L158 Benchmark]: Boogie Preprocessor took 53.05ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 96.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:40:19,248 INFO L158 Benchmark]: RCFGBuilder took 1384.33ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 86.6MB in the end (delta: 9.9MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2024-11-14 03:40:19,248 INFO L158 Benchmark]: TraceAbstraction took 64004.11ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 85.9MB in the beginning and 753.4MB in the end (delta: -667.5MB). Peak memory consumption was 245.9MB. Max. memory is 16.1GB. [2024-11-14 03:40:19,249 INFO L158 Benchmark]: Witness Printer took 179.27ms. Allocated memory is still 1.1GB. Free memory was 753.4MB in the beginning and 745.2MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:40:19,251 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.08ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.31ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 102.1MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.61ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 98.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.05ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 96.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1384.33ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 86.6MB in the end (delta: 9.9MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * TraceAbstraction took 64004.11ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 85.9MB in the beginning and 753.4MB in the end (delta: -667.5MB). Peak memory consumption was 245.9MB. Max. memory is 16.1GB. * Witness Printer took 179.27ms. Allocated memory is still 1.1GB. Free memory was 753.4MB in the beginning and 745.2MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_long_int_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#unsigned_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_long_int_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#unsigned_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_long_int_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#unsigned_char_Array_0~0!base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 63.3s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 333 IncrementalHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 16 mSDtfsCounter, 333 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 107 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 29.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 2904 SizeOfPredicates, 14 NumberOfNonLiveVariables, 334 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 328/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && (((((((isInitial == \old(isInitial)) && (BOOL_unsigned_char_Array_0 == \old(BOOL_unsigned_char_Array_0))) && (double_Array_0 == \old(double_Array_0))) && (signed_char_Array_0 == \old(signed_char_Array_0))) && (signed_long_int_Array_0 == \old(signed_long_int_Array_0))) && (unsigned_char_Array_0 == \old(unsigned_char_Array_0))) && (last_1_signed_char_Array_0_1__0_ == \old(last_1_signed_char_Array_0_1__0_)))) RESULT: Ultimate proved your program to be correct! [2024-11-14 03:40:19,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9caa05-d421-4f4d-8e2c-444a7e6dbfed/bin/utaipan-verify-sOmjnqqW8E/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 Writing output log to file Ultimate.log Result: TRUE