./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-42.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_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh --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 175c40674fb8455b1fc7ca299d32501cdcc37c8644c17a404e24211314abf953 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:06:10,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:06:10,164 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:06:10,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:06:10,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:06:10,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:06:10,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:06:10,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:06:10,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:06:10,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:06:10,195 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:06:10,195 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:06:10,196 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:06:10,196 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:06:10,197 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:06:10,197 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:06:10,198 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:06:10,198 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:06:10,199 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:06:10,199 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:06:10,200 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:06:10,201 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:06:10,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:06:10,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:06:10,202 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:06:10,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:06:10,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:06:10,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:06:10,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:06:10,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:06:10,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:06:10,205 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:06:10,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:06:10,206 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:06:10,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:06:10,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:06:10,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:06:10,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:06:10,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:06:10,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:06:10,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:06:10,207 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:06:10,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:06:10,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:06:10,208 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:06:10,208 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:06:10,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:06:10,208 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_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 175c40674fb8455b1fc7ca299d32501cdcc37c8644c17a404e24211314abf953 [2023-12-02 16:06:10,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:06:10,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:06:10,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:06:10,427 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:06:10,428 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:06:10,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-42.i [2023-12-02 16:06:13,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:06:13,341 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:06:13,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-42.i [2023-12-02 16:06:13,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/data/a30765a73/26f7163de94f4218819cadcdf2384578/FLAG4f1301b5b [2023-12-02 16:06:13,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/data/a30765a73/26f7163de94f4218819cadcdf2384578 [2023-12-02 16:06:13,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:06:13,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:06:13,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:06:13,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:06:13,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:06:13,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:06:13" (1/1) ... [2023-12-02 16:06:13,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b00d00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:06:13, skipping insertion in model container [2023-12-02 16:06:13,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:06:13" (1/1) ... [2023-12-02 16:06:13,395 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:06:13,512 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_63d4888c-35f9-4cae-9cbb-7d414137b207/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-42.i[916,929] [2023-12-02 16:06:13,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:06:13,586 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:06:13,599 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_63d4888c-35f9-4cae-9cbb-7d414137b207/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-42.i[916,929] [2023-12-02 16:06:13,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:06:13,651 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:06:13,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:06:13 WrapperNode [2023-12-02 16:06:13,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:06:13,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:06:13,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:06:13,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:06:13,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:06:13" (1/1) ... [2023-12-02 16:06:13,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:06:13" (1/1) ... [2023-12-02 16:06:13,701 INFO L138 Inliner]: procedures = 29, calls = 138, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 377 [2023-12-02 16:06:13,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:06:13,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:06:13,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:06:13,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:06:13,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:06:13" (1/1) ... [2023-12-02 16:06:13,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:06:13" (1/1) ... [2023-12-02 16:06:13,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:06:13" (1/1) ... [2023-12-02 16:06:13,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:06:13" (1/1) ... [2023-12-02 16:06:13,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:06:13" (1/1) ... [2023-12-02 16:06:13,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:06:13" (1/1) ... [2023-12-02 16:06:13,747 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:06:13" (1/1) ... [2023-12-02 16:06:13,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:06:13" (1/1) ... [2023-12-02 16:06:13,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:06:13,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:06:13,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:06:13,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:06:13,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:06:13" (1/1) ... [2023-12-02 16:06:13,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:06:13,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:06:13,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:06:13,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:06:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:06:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 16:06:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 16:06:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 16:06:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 16:06:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 16:06:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:06:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:06:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:06:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:06:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:06:13,920 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:06:13,922 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:06:14,285 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:06:14,755 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:06:14,756 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:06:14,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:06:14 BoogieIcfgContainer [2023-12-02 16:06:14,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:06:14,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:06:14,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:06:14,763 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:06:14,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:06:13" (1/3) ... [2023-12-02 16:06:14,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660c429b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:06:14, skipping insertion in model container [2023-12-02 16:06:14,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:06:13" (2/3) ... [2023-12-02 16:06:14,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660c429b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:06:14, skipping insertion in model container [2023-12-02 16:06:14,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:06:14" (3/3) ... [2023-12-02 16:06:14,766 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-42.i [2023-12-02 16:06:14,784 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:06:14,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:06:14,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:06:14,839 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;@309ef860, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:06:14,839 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:06:14,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 16:06:14,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 16:06:14,852 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:06:14,853 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:06:14,853 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:06:14,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:06:14,858 INFO L85 PathProgramCache]: Analyzing trace with hash 313413801, now seen corresponding path program 1 times [2023-12-02 16:06:14,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:06:14,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095744312] [2023-12-02 16:06:14,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:06:14,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:06:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:06:30,005 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-02 16:06:30,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:06:30,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095744312] [2023-12-02 16:06:30,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095744312] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:06:30,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703479334] [2023-12-02 16:06:30,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:06:30,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:06:30,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:06:30,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:06:30,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 16:06:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:06:30,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 123 conjunts are in the unsatisfiable core [2023-12-02 16:06:31,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:06:31,209 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:06:31,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 92 treesize of output 88 [2023-12-02 16:06:31,654 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:06:31,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 94 treesize of output 99 [2023-12-02 16:06:31,774 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:06:31,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 94 treesize of output 90 [2023-12-02 16:06:32,216 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:06:32,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 96 treesize of output 92 [2023-12-02 16:06:32,692 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:06:32,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 98 treesize of output 94 [2023-12-02 16:06:33,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:06:33,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 100 treesize of output 96 [2023-12-02 16:06:36,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 8 select indices, 8 select index equivalence classes, 45 disjoint index pairs (out of 28 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 398 [2023-12-02 16:06:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 6 proven. 98 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 16:06:37,507 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:06:47,369 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 [2023-12-02 16:06:47,531 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 [2023-12-02 16:06:56,322 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 16:06:56,323 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 167 [2023-12-02 16:07:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-12-02 16:07:04,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703479334] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 16:07:04,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1582643157] [2023-12-02 16:07:04,244 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2023-12-02 16:07:04,244 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 16:07:04,248 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 16:07:04,253 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 16:07:04,254 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 16:07:11,428 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 104 for LOIs [2023-12-02 16:07:11,448 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 16:07:31,599 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '370#(and (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483647) (<= 1 |#StackHeapBarrier|) (= |~#WrapperStruct00~0.base| 4) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ |ULTIMATE.start_property_#res#1| 2147483648)) (<= |ULTIMATE.start_main_#t~ret123#1| 2147483647) (<= 0 (+ |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483648)) (= ~isInitial~0 1) (<= 0 (+ |ULTIMATE.start_main_#t~ret123#1| 2147483648)) (<= |ULTIMATE.start_property_#res#1| 2147483647) (= |~#WrapperStruct00~0.offset| 0))' at error location [2023-12-02 16:07:31,599 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 16:07:31,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 16:07:31,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 23, 20] total 54 [2023-12-02 16:07:31,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131311310] [2023-12-02 16:07:31,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 16:07:31,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-12-02 16:07:31,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:07:31,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-12-02 16:07:31,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1282, Invalid=4870, Unknown=10, NotChecked=0, Total=6162 [2023-12-02 16:07:31,628 INFO L87 Difference]: Start difference. First operand has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 54 states, 29 states have (on average 2.0) internal successors, (58), 46 states have internal predecessors, (58), 32 states have call successors, (33), 7 states have call predecessors, (33), 16 states have return successors, (33), 25 states have call predecessors, (33), 32 states have call successors, (33) [2023-12-02 16:07:35,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:07:35,212 INFO L93 Difference]: Finished difference Result 108 states and 134 transitions. [2023-12-02 16:07:35,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 16:07:35,216 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 29 states have (on average 2.0) internal successors, (58), 46 states have internal predecessors, (58), 32 states have call successors, (33), 7 states have call predecessors, (33), 16 states have return successors, (33), 25 states have call predecessors, (33), 32 states have call successors, (33) Word has length 48 [2023-12-02 16:07:35,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:07:35,220 INFO L225 Difference]: With dead ends: 108 [2023-12-02 16:07:35,220 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 16:07:35,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4079 ImplicationChecksByTransitivity, 23.3s TimeCoverageRelationStatistics Valid=1870, Invalid=6862, Unknown=10, NotChecked=0, Total=8742 [2023-12-02 16:07:35,229 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 38 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:07:35,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 40 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 16:07:35,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 16:07:35,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 16:07:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:07:35,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 16:07:35,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2023-12-02 16:07:35,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:07:35,253 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 16:07:35,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 29 states have (on average 2.0) internal successors, (58), 46 states have internal predecessors, (58), 32 states have call successors, (33), 7 states have call predecessors, (33), 16 states have return successors, (33), 25 states have call predecessors, (33), 32 states have call successors, (33) [2023-12-02 16:07:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 16:07:35,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 16:07:35,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:07:35,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:07:35,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:07:35,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 16:07:35,863 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-02 16:07:35,863 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-02 16:07:35,863 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-02 16:07:35,864 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |~#WrapperStruct00~0.base|))) (and (or (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 18)) 256) 0) (not (= (mod (+ (select .cse0 (+ 5 |~#WrapperStruct00~0.offset|)) 100) 256) 0))) (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 15)) 256) 0))) [2023-12-02 16:07:35,864 INFO L899 garLoopResultBuilder]: For program point L86-1(line 86) no Hoare annotation was computed. [2023-12-02 16:07:35,864 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |~#WrapperStruct00~0.base|))) (and (or (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 18)) 256) 0) (not (= (mod (+ (select .cse0 (+ 5 |~#WrapperStruct00~0.offset|)) 100) 256) 0))) (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 15)) 256) 0))) [2023-12-02 16:07:35,864 INFO L899 garLoopResultBuilder]: For program point L87-1(line 87) no Hoare annotation was computed. [2023-12-02 16:07:35,864 INFO L895 garLoopResultBuilder]: At program point L104-2(lines 104 110) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |~#WrapperStruct00~0.base|))) (let ((.cse1 (= (mod (+ (select .cse0 (+ 5 |~#WrapperStruct00~0.offset|)) 100) 256) 0))) (and (or (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 18)) 256) 0) (not .cse1)) (or (= (mod (select .cse0 (+ 19 |~#WrapperStruct00~0.offset|)) 256) 0) .cse1) (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 17)) 256) 0) (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 15)) 256) 0)))) [2023-12-02 16:07:35,864 INFO L895 garLoopResultBuilder]: At program point L89(line 89) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |~#WrapperStruct00~0.base|))) (and (or (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 18)) 256) 0) (not (= (mod (+ (select .cse0 (+ 5 |~#WrapperStruct00~0.offset|)) 100) 256) 0))) (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 15)) 256) 0))) [2023-12-02 16:07:35,865 INFO L899 garLoopResultBuilder]: For program point L89-1(line 89) no Hoare annotation was computed. [2023-12-02 16:07:35,865 INFO L895 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |~#WrapperStruct00~0.base|))) (and (or (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 18)) 256) 0) (not (= (mod (+ (select .cse0 (+ 5 |~#WrapperStruct00~0.offset|)) 100) 256) 0))) (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 15)) 256) 0) (or (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 17)) 256) 0) (< 0 (mod |ULTIMATE.start_updateVariables_#t~mem62#1| 256))))) [2023-12-02 16:07:35,865 INFO L899 garLoopResultBuilder]: For program point L90-1(line 90) no Hoare annotation was computed. [2023-12-02 16:07:35,865 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 16:07:35,865 INFO L895 garLoopResultBuilder]: At program point L92(line 92) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |~#WrapperStruct00~0.base|))) (and (or (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 18)) 256) 0) (not (= (mod (+ (select .cse0 (+ 5 |~#WrapperStruct00~0.offset|)) 100) 256) 0))) (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 17)) 256) 0) (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 15)) 256) 0))) [2023-12-02 16:07:35,865 INFO L899 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2023-12-02 16:07:35,866 INFO L895 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |~#WrapperStruct00~0.base|))) (let ((.cse1 (= (mod (+ (select .cse0 (+ 5 |~#WrapperStruct00~0.offset|)) 100) 256) 0))) (and (or (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 18)) 256) 0) (not .cse1)) (or (= (mod (select .cse0 (+ 19 |~#WrapperStruct00~0.offset|)) 256) 0) (< 0 (mod |ULTIMATE.start_updateVariables_#t~mem65#1| 256)) .cse1) (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 17)) 256) 0) (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 15)) 256) 0)))) [2023-12-02 16:07:35,866 INFO L899 garLoopResultBuilder]: For program point L93-1(line 93) no Hoare annotation was computed. [2023-12-02 16:07:35,866 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2023-12-02 16:07:35,866 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2023-12-02 16:07:35,866 INFO L895 garLoopResultBuilder]: At program point L79(line 79) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |~#WrapperStruct00~0.base|))) (or (< 127 (mod |ULTIMATE.start_updateVariables_#t~mem45#1| 256)) (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 18)) 256) 0) (not (= (mod (+ (select .cse0 (+ 5 |~#WrapperStruct00~0.offset|)) 100) 256) 0)))) [2023-12-02 16:07:35,866 INFO L899 garLoopResultBuilder]: For program point L79-1(line 79) no Hoare annotation was computed. [2023-12-02 16:07:35,866 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 16:07:35,866 INFO L895 garLoopResultBuilder]: At program point L81-8(line 81) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |~#WrapperStruct00~0.base|))) (or (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 18)) 256) 0) (not (= (mod (+ (select .cse0 (+ 5 |~#WrapperStruct00~0.offset|)) 100) 256) 0)))) [2023-12-02 16:07:35,866 INFO L899 garLoopResultBuilder]: For program point L81-9(line 81) no Hoare annotation was computed. [2023-12-02 16:07:35,867 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-02 16:07:35,867 INFO L895 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |~#WrapperStruct00~0.base|))) (or (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 18)) 256) 0) (not (= (mod (+ (select .cse0 (+ 5 |~#WrapperStruct00~0.offset|)) 100) 256) 0)))) [2023-12-02 16:07:35,867 INFO L899 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2023-12-02 16:07:35,867 INFO L895 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |~#WrapperStruct00~0.base|))) (and (or (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 18)) 256) 0) (not (= (mod (+ (select .cse0 (+ 5 |~#WrapperStruct00~0.offset|)) 100) 256) 0))) (or (= (mod (select .cse0 (+ |~#WrapperStruct00~0.offset| 15)) 256) 0) (< 0 (mod |ULTIMATE.start_updateVariables_#t~mem56#1| 256))))) [2023-12-02 16:07:35,867 INFO L899 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2023-12-02 16:07:35,867 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-02 16:07:35,867 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-02 16:07:35,870 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 16:07:35,872 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:07:35,882 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][~#WrapperStruct00~0!offset + 18] could not be translated [2023-12-02 16:07:35,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][5 + ~#WrapperStruct00~0!offset] could not be translated [2023-12-02 16:07:35,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][19 + ~#WrapperStruct00~0!offset] could not be translated [2023-12-02 16:07:35,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][5 + ~#WrapperStruct00~0!offset] could not be translated [2023-12-02 16:07:35,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][~#WrapperStruct00~0!offset + 17] could not be translated [2023-12-02 16:07:35,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][~#WrapperStruct00~0!offset + 15] could not be translated [2023-12-02 16:07:35,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:07:35 BoogieIcfgContainer [2023-12-02 16:07:35,886 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:07:35,886 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:07:35,886 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:07:35,886 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:07:35,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:06:14" (3/4) ... [2023-12-02 16:07:35,889 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 16:07:35,892 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 16:07:35,902 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2023-12-02 16:07:35,903 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 16:07:35,904 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 16:07:35,905 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 16:07:36,041 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 16:07:36,042 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 16:07:36,042 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:07:36,042 INFO L158 Benchmark]: Toolchain (without parser) took 82678.87ms. Allocated memory was 132.1MB in the beginning and 815.8MB in the end (delta: 683.7MB). Free memory was 75.4MB in the beginning and 693.3MB in the end (delta: -617.9MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2023-12-02 16:07:36,043 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:07:36,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.00ms. Allocated memory is still 132.1MB. Free memory was 75.2MB in the beginning and 99.1MB in the end (delta: -23.9MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-12-02 16:07:36,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.72ms. Allocated memory is still 132.1MB. Free memory was 99.1MB in the beginning and 95.1MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:07:36,044 INFO L158 Benchmark]: Boogie Preprocessor took 54.38ms. Allocated memory is still 132.1MB. Free memory was 95.1MB in the beginning and 92.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:07:36,044 INFO L158 Benchmark]: RCFGBuilder took 1000.83ms. Allocated memory is still 132.1MB. Free memory was 91.7MB in the beginning and 73.5MB in the end (delta: 18.2MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-12-02 16:07:36,044 INFO L158 Benchmark]: TraceAbstraction took 81125.60ms. Allocated memory was 132.1MB in the beginning and 815.8MB in the end (delta: 683.7MB). Free memory was 72.8MB in the beginning and 702.7MB in the end (delta: -629.9MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-12-02 16:07:36,045 INFO L158 Benchmark]: Witness Printer took 155.69ms. Allocated memory is still 815.8MB. Free memory was 702.7MB in the beginning and 693.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 16:07:36,046 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.00ms. Allocated memory is still 132.1MB. Free memory was 75.2MB in the beginning and 99.1MB in the end (delta: -23.9MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.72ms. Allocated memory is still 132.1MB. Free memory was 99.1MB in the beginning and 95.1MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.38ms. Allocated memory is still 132.1MB. Free memory was 95.1MB in the beginning and 92.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.83ms. Allocated memory is still 132.1MB. Free memory was 91.7MB in the beginning and 73.5MB in the end (delta: 18.2MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * TraceAbstraction took 81125.60ms. Allocated memory was 132.1MB in the beginning and 815.8MB in the end (delta: 683.7MB). Free memory was 72.8MB in the beginning and 702.7MB in the end (delta: -629.9MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 155.69ms. Allocated memory is still 815.8MB. Free memory was 702.7MB in the beginning and 693.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][~#WrapperStruct00~0!offset + 18] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][5 + ~#WrapperStruct00~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][19 + ~#WrapperStruct00~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][5 + ~#WrapperStruct00~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][~#WrapperStruct00~0!offset + 17] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][~#WrapperStruct00~0!offset + 15] could not be translated * 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, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 81.1s, OverallIterations: 1, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 704 IncrementalHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 12 mSDtfsCounter, 704 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4079 ImplicationChecksByTransitivity, 23.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 38, 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: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 45 PreInvPairs, 69 NumberOfFragments, 500 HoareAnnotationTreeSize, 45 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 2889 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 47.4s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 6088 SizeOfPredicates, 23 NumberOfNonLiveVariables, 300 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 201/330 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-12-02 16:07:36,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d4888c-35f9-4cae-9cbb-7d414137b207/bin/utaipan-verify-nQ1chXbOIh/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