./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.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_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/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_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/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_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/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 dcd8b7c9719c9e124f88c0306e66fdc794df6c79afaa727af6840898442d18a1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:22:14,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:22:14,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:22:14,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:22:14,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:22:14,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:22:14,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:22:14,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:22:14,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:22:14,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:22:14,883 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:22:14,883 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:22:14,884 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:22:14,884 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:22:14,885 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:22:14,885 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:22:14,886 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:22:14,886 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:22:14,887 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:22:14,887 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:22:14,888 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:22:14,892 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:22:14,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:22:14,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:22:14,894 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:22:14,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:22:14,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:22:14,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:22:14,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:22:14,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:22:14,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:22:14,896 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:22:14,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:22:14,897 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:22:14,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:22:14,897 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:22:14,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:22:14,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:22:14,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:22:14,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:22:14,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:22:14,899 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:22:14,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:22:14,899 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:22:14,899 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:22:14,899 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:22:14,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:22:14,900 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_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcd8b7c9719c9e124f88c0306e66fdc794df6c79afaa727af6840898442d18a1 [2023-12-02 19:22:15,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:22:15,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:22:15,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:22:15,160 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:22:15,160 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:22:15,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i [2023-12-02 19:22:17,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:22:18,198 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:22:18,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i [2023-12-02 19:22:18,207 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/data/d581f3f12/6ec09d286e7d4f3994ada4ca8c2fd534/FLAG63a8a9081 [2023-12-02 19:22:18,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/data/d581f3f12/6ec09d286e7d4f3994ada4ca8c2fd534 [2023-12-02 19:22:18,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:22:18,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:22:18,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:22:18,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:22:18,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:22:18,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:22:18" (1/1) ... [2023-12-02 19:22:18,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740aff32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:22:18, skipping insertion in model container [2023-12-02 19:22:18,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:22:18" (1/1) ... [2023-12-02 19:22:18,266 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:22:18,422 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_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i[916,929] [2023-12-02 19:22:18,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:22:18,492 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:22:18,506 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_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i[916,929] [2023-12-02 19:22:18,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:22:18,566 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:22:18,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:22:18 WrapperNode [2023-12-02 19:22:18,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:22:18,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:22:18,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:22:18,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:22:18,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:22:18" (1/1) ... [2023-12-02 19:22:18,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:22:18" (1/1) ... [2023-12-02 19:22:18,630 INFO L138 Inliner]: procedures = 29, calls = 134, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 362 [2023-12-02 19:22:18,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:22:18,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:22:18,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:22:18,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:22:18,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:22:18" (1/1) ... [2023-12-02 19:22:18,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:22:18" (1/1) ... [2023-12-02 19:22:18,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:22:18" (1/1) ... [2023-12-02 19:22:18,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:22:18" (1/1) ... [2023-12-02 19:22:18,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:22:18" (1/1) ... [2023-12-02 19:22:18,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:22:18" (1/1) ... [2023-12-02 19:22:18,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:22:18" (1/1) ... [2023-12-02 19:22:18,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:22:18" (1/1) ... [2023-12-02 19:22:18,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:22:18,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:22:18,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:22:18,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:22:18,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:22:18" (1/1) ... [2023-12-02 19:22:18,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:22:18,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:22:18,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:22:18,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:22:18,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:22:18,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 19:22:18,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 19:22:18,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 19:22:18,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 19:22:18,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 19:22:18,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:22:18,759 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:22:18,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:22:18,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:22:18,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:22:18,869 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:22:18,872 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:22:19,274 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:22:19,794 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:22:19,794 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:22:19,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:22:19 BoogieIcfgContainer [2023-12-02 19:22:19,796 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:22:19,800 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:22:19,800 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:22:19,804 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:22:19,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:22:18" (1/3) ... [2023-12-02 19:22:19,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac63956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:22:19, skipping insertion in model container [2023-12-02 19:22:19,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:22:18" (2/3) ... [2023-12-02 19:22:19,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac63956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:22:19, skipping insertion in model container [2023-12-02 19:22:19,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:22:19" (3/3) ... [2023-12-02 19:22:19,807 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-76.i [2023-12-02 19:22:19,828 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:22:19,829 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:22:19,883 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:22:19,891 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;@57084fd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:22:19,892 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:22:19,896 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) [2023-12-02 19:22:19,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 19:22:19,908 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:22:19,909 INFO L195 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] [2023-12-02 19:22:19,909 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:22:19,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:22:19,915 INFO L85 PathProgramCache]: Analyzing trace with hash 2064136223, now seen corresponding path program 1 times [2023-12-02 19:22:19,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:22:19,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382077930] [2023-12-02 19:22:19,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:22:19,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:22:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:22:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-12-02 19:22:28,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:22:28,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382077930] [2023-12-02 19:22:28,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382077930] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:22:28,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881449435] [2023-12-02 19:22:28,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:22:28,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:22:28,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:22:28,668 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:22:28,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:22:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:22:29,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-02 19:22:29,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:22:29,199 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 19:22:29,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 10 [2023-12-02 19:22:29,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 39 treesize of output 17 [2023-12-02 19:22:29,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 39 treesize of output 17 [2023-12-02 19:22:29,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 39 treesize of output 17 [2023-12-02 19:22:29,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 39 treesize of output 17 [2023-12-02 19:22:29,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 39 treesize of output 17 [2023-12-02 19:22:31,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 219 [2023-12-02 19:22:31,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 287 [2023-12-02 19:22:33,915 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 347 treesize of output 343 [2023-12-02 19:22:34,172 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 94 proven. 22 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-12-02 19:22:34,173 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:22:40,760 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 19:22:40,897 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 19:22:43,858 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 19:22:44,107 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 7 treesize of output 5 [2023-12-02 19:22:44,125 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-12-02 19:22:44,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 1 [2023-12-02 19:22:44,230 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-12-02 19:22:44,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 1 [2023-12-02 19:22:44,259 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 [2023-12-02 19:22:44,277 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 7 treesize of output 5 [2023-12-02 19:22:44,289 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 7 treesize of output 5 [2023-12-02 19:22:44,523 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-12-02 19:22:44,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881449435] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:22:44,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [105861174] [2023-12-02 19:22:44,552 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2023-12-02 19:22:44,552 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 19:22:44,556 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 19:22:44,562 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 19:22:44,563 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 19:22:54,328 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 113 for LOIs [2023-12-02 19:22:54,352 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 19:23:49,443 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '432#(and (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483647) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_#t~ret110#1| 2147483647) (= |~#WrapperStruct00~0.base| 4) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= (+ ~last_1_WrapperStruct00_var_1_8~0 4) 0) (<= 0 (+ |ULTIMATE.start_property_#res#1| 2147483648)) (<= 0 (+ |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483648)) (= ~isInitial~0 1) (<= |ULTIMATE.start_property_#res#1| 2147483647) (= |~#WrapperStruct00~0.offset| 0) (<= 0 (+ |ULTIMATE.start_main_#t~ret110#1| 2147483648)))' at error location [2023-12-02 19:23:49,443 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 19:23:49,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 19:23:49,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 12 [2023-12-02 19:23:49,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801931775] [2023-12-02 19:23:49,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 19:23:49,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 19:23:49,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:23:49,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 19:23:49,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=1504, Unknown=8, NotChecked=0, Total=1722 [2023-12-02 19:23:49,472 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 12 states, 5 states have (on average 5.8) internal successors, (29), 12 states have internal predecessors, (29), 7 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 7 states have call successors, (29) [2023-12-02 19:23:50,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:23:50,291 INFO L93 Difference]: Finished difference Result 78 states and 108 transitions. [2023-12-02 19:23:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 19:23:50,294 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 5 states have (on average 5.8) internal successors, (29), 12 states have internal predecessors, (29), 7 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 7 states have call successors, (29) Word has length 64 [2023-12-02 19:23:50,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:23:50,299 INFO L225 Difference]: With dead ends: 78 [2023-12-02 19:23:50,299 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 19:23:50,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 160 SyntacticMatches, 9 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 55.3s TimeCoverageRelationStatistics Valid=230, Invalid=1742, Unknown=8, NotChecked=0, Total=1980 [2023-12-02 19:23:50,306 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 19:23:50,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 39 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 19:23:50,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 19:23:50,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 19:23:50,325 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 19:23:50,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 19:23:50,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2023-12-02 19:23:50,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:23:50,327 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 19:23:50,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 5 states have (on average 5.8) internal successors, (29), 12 states have internal predecessors, (29), 7 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 7 states have call successors, (29) [2023-12-02 19:23:50,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 19:23:50,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 19:23:50,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:23:50,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:23:50,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 19:23:50,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 19:23:50,590 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-02 19:23:50,590 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-02 19:23:50,590 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-02 19:23:50,590 INFO L895 garLoopResultBuilder]: At program point L102(line 102) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 6)))) (<= .cse0 (* 256 (div .cse0 256)))) [2023-12-02 19:23:50,590 INFO L899 garLoopResultBuilder]: For program point L102-1(line 102) no Hoare annotation was computed. [2023-12-02 19:23:50,590 INFO L895 garLoopResultBuilder]: At program point L104(line 104) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 6)))) (<= .cse0 (* 256 (div .cse0 256)))) [2023-12-02 19:23:50,591 INFO L899 garLoopResultBuilder]: For program point L104-1(line 104) no Hoare annotation was computed. [2023-12-02 19:23:50,591 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 6)))) (<= .cse0 (* 256 (div .cse0 256)))) [2023-12-02 19:23:50,591 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2023-12-02 19:23:50,591 INFO L895 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 6)))) (<= .cse0 (* 256 (div .cse0 256)))) [2023-12-02 19:23:50,591 INFO L899 garLoopResultBuilder]: For program point L90-1(line 90) no Hoare annotation was computed. [2023-12-02 19:23:50,591 INFO L895 garLoopResultBuilder]: At program point L123-2(lines 123 129) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 6)))) (<= .cse0 (* 256 (div .cse0 256)))) [2023-12-02 19:23:50,592 INFO L895 garLoopResultBuilder]: At program point L107(line 107) the Hoare annotation is: (let ((.cse1 (select |#memory_int| |~#WrapperStruct00~0.base|))) (and (let ((.cse0 (select .cse1 (+ |~#WrapperStruct00~0.offset| 6)))) (<= .cse0 (* 256 (div .cse0 256)))) (= |ULTIMATE.start_updateVariables_#t~mem56#1| (select .cse1 (+ |~#WrapperStruct00~0.offset| 26))))) [2023-12-02 19:23:50,592 INFO L899 garLoopResultBuilder]: For program point L107-1(line 107) no Hoare annotation was computed. [2023-12-02 19:23:50,592 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 19:23:50,592 INFO L895 garLoopResultBuilder]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 6)))) (<= .cse0 (* 256 (div .cse0 256)))) [2023-12-02 19:23:50,592 INFO L899 garLoopResultBuilder]: For program point L91-1(line 91) no Hoare annotation was computed. [2023-12-02 19:23:50,592 INFO L895 garLoopResultBuilder]: At program point L108(line 108) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 6)))) (<= .cse0 (* 256 (div .cse0 256)))) [2023-12-02 19:23:50,592 INFO L899 garLoopResultBuilder]: For program point L108-1(line 108) no Hoare annotation was computed. [2023-12-02 19:23:50,593 INFO L895 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 6)))) (<= .cse0 (* 256 (div .cse0 256)))) [2023-12-02 19:23:50,593 INFO L899 garLoopResultBuilder]: For program point L93-1(line 93) no Hoare annotation was computed. [2023-12-02 19:23:50,593 INFO L895 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: (let ((.cse1 (select |#memory_int| |~#WrapperStruct00~0.base|))) (and (let ((.cse0 (select .cse1 (+ |~#WrapperStruct00~0.offset| 6)))) (<= .cse0 (* 256 (div .cse0 256)))) (= |ULTIMATE.start_updateVariables_#t~mem59#1| (select .cse1 (+ |~#WrapperStruct00~0.offset| 28))))) [2023-12-02 19:23:50,593 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2023-12-02 19:23:50,593 INFO L895 garLoopResultBuilder]: At program point L94(line 94) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 6)))) (<= .cse0 (* 256 (div .cse0 256)))) [2023-12-02 19:23:50,593 INFO L899 garLoopResultBuilder]: For program point L94-1(line 94) no Hoare annotation was computed. [2023-12-02 19:23:50,594 INFO L895 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: (let ((.cse1 (select |#memory_int| |~#WrapperStruct00~0.base|))) (and (let ((.cse0 (select .cse1 (+ |~#WrapperStruct00~0.offset| 6)))) (<= .cse0 (* 256 (div .cse0 256)))) (= |ULTIMATE.start_updateVariables_#t~mem60#1| (select .cse1 (+ |~#WrapperStruct00~0.offset| 28))))) [2023-12-02 19:23:50,594 INFO L899 garLoopResultBuilder]: For program point L111-1(line 111) no Hoare annotation was computed. [2023-12-02 19:23:50,594 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 19:23:50,594 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2023-12-02 19:23:50,594 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2023-12-02 19:23:50,594 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (= |ULTIMATE.start_updateVariables_#t~mem40#1| (select (select |#memory_int| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 6))) [2023-12-02 19:23:50,594 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-12-02 19:23:50,595 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-02 19:23:50,595 INFO L895 garLoopResultBuilder]: At program point L99-8(line 99) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 6)))) (<= .cse0 (* 256 (div .cse0 256)))) [2023-12-02 19:23:50,595 INFO L899 garLoopResultBuilder]: For program point L99-9(line 99) no Hoare annotation was computed. [2023-12-02 19:23:50,595 INFO L895 garLoopResultBuilder]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 6)))) (<= .cse0 (* 256 (div .cse0 256)))) [2023-12-02 19:23:50,595 INFO L899 garLoopResultBuilder]: For program point L101-1(line 101) no Hoare annotation was computed. [2023-12-02 19:23:50,595 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-02 19:23:50,595 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-02 19:23:50,598 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 19:23:50,600 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:23:50,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][~#WrapperStruct00~0!offset + 6] could not be translated [2023-12-02 19:23:50,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][~#WrapperStruct00~0!offset + 6] could not be translated [2023-12-02 19:23:50,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:23:50 BoogieIcfgContainer [2023-12-02 19:23:50,615 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:23:50,616 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:23:50,616 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:23:50,617 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:23:50,617 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:22:19" (3/4) ... [2023-12-02 19:23:50,619 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 19:23:50,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 19:23:50,636 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2023-12-02 19:23:50,638 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 19:23:50,639 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 19:23:50,640 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 19:23:50,796 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 19:23:50,796 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 19:23:50,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:23:50,797 INFO L158 Benchmark]: Toolchain (without parser) took 92573.22ms. Allocated memory was 159.4MB in the beginning and 750.8MB in the end (delta: 591.4MB). Free memory was 125.1MB in the beginning and 581.3MB in the end (delta: -456.1MB). Peak memory consumption was 137.2MB. Max. memory is 16.1GB. [2023-12-02 19:23:50,797 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:23:50,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.43ms. Allocated memory is still 159.4MB. Free memory was 125.1MB in the beginning and 110.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 19:23:50,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.94ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 106.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 19:23:50,799 INFO L158 Benchmark]: Boogie Preprocessor took 52.93ms. Allocated memory is still 159.4MB. Free memory was 106.4MB in the beginning and 104.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:23:50,799 INFO L158 Benchmark]: RCFGBuilder took 1111.93ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 103.4MB in the beginning and 129.3MB in the end (delta: -25.9MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2023-12-02 19:23:50,800 INFO L158 Benchmark]: TraceAbstraction took 90815.87ms. Allocated memory was 211.8MB in the beginning and 750.8MB in the end (delta: 539.0MB). Free memory was 129.3MB in the beginning and 591.7MB in the end (delta: -462.4MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2023-12-02 19:23:50,800 INFO L158 Benchmark]: Witness Printer took 180.24ms. Allocated memory is still 750.8MB. Free memory was 591.7MB in the beginning and 581.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 19:23:50,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.43ms. Allocated memory is still 159.4MB. Free memory was 125.1MB in the beginning and 110.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.94ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 106.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.93ms. Allocated memory is still 159.4MB. Free memory was 106.4MB in the beginning and 104.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1111.93ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 103.4MB in the beginning and 129.3MB in the end (delta: -25.9MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. * TraceAbstraction took 90815.87ms. Allocated memory was 211.8MB in the beginning and 750.8MB in the end (delta: 539.0MB). Free memory was 129.3MB in the beginning and 591.7MB in the end (delta: -462.4MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Witness Printer took 180.24ms. Allocated memory is still 750.8MB. Free memory was 591.7MB in the beginning and 581.3MB in the end (delta: 10.5MB). 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 + 6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#WrapperStruct00~0!base][~#WrapperStruct00~0!offset + 6] 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, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 90.7s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 283 IncrementalHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 17 mSDtfsCounter, 283 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 160 SyntacticMatches, 9 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 55.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 17 LocationsWithAnnotation, 46 PreInvPairs, 62 NumberOfFragments, 307 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 86 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 23.2s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 189 ConstructedInterpolants, 0 QuantifiedInterpolants, 1656 SizeOfPredicates, 13 NumberOfNonLiveVariables, 340 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 577/630 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: 123]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-12-02 19:23:50,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c0d6ce-f8eb-442a-9a69-5f41a191b0a0/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