./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.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_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e929c4003dd56b80bb766773f31b5c9376f023636b5de2c888cd8fd3433b56e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:20:46,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:20:46,154 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:20:46,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:20:46,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:20:46,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:20:46,225 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:20:46,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:20:46,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:20:46,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:20:46,229 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:20:46,229 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:20:46,230 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:20:46,231 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:20:46,232 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:20:46,233 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:20:46,234 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:20:46,235 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:20:46,246 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:20:46,247 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:20:46,248 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:20:46,255 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:20:46,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:20:46,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:20:46,258 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:20:46,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:20:46,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:20:46,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:20:46,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:20:46,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:20:46,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:20:46,263 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:20:46,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:20:46,264 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:20:46,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:20:46,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:20:46,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:20:46,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:46,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:20:46,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:20:46,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:20:46,267 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:20:46,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:20:46,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:20:46,268 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:20:46,268 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:20:46,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:20:46,269 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_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e929c4003dd56b80bb766773f31b5c9376f023636b5de2c888cd8fd3433b56e [2023-11-24 23:20:46,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:20:46,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:20:46,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:20:46,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:20:46,699 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:20:46,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i [2023-11-24 23:20:49,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:20:50,266 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:20:50,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i [2023-11-24 23:20:50,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/data/c6bb25427/c9056f1952734ffebdfe39bcdd8718e9/FLAG22878fdb4 [2023-11-24 23:20:50,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/data/c6bb25427/c9056f1952734ffebdfe39bcdd8718e9 [2023-11-24 23:20:50,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:20:50,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:20:50,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:50,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:20:50,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:20:50,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:50" (1/1) ... [2023-11-24 23:20:50,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23365ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:50, skipping insertion in model container [2023-11-24 23:20:50,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:50" (1/1) ... [2023-11-24 23:20:50,348 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:20:50,501 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_382c0824-470a-4b67-97a6-71a7d6c63722/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i[916,929] [2023-11-24 23:20:50,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:50,589 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:20:50,610 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_382c0824-470a-4b67-97a6-71a7d6c63722/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i[916,929] [2023-11-24 23:20:50,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:50,664 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:20:50,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:50 WrapperNode [2023-11-24 23:20:50,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:50,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:50,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:20:50,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:20:50,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:50" (1/1) ... [2023-11-24 23:20:50,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:50" (1/1) ... [2023-11-24 23:20:50,753 INFO L138 Inliner]: procedures = 26, calls = 190, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 498 [2023-11-24 23:20:50,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:50,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:20:50,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:20:50,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:20:50,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:50" (1/1) ... [2023-11-24 23:20:50,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:50" (1/1) ... [2023-11-24 23:20:50,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:50" (1/1) ... [2023-11-24 23:20:50,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:50" (1/1) ... [2023-11-24 23:20:50,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:50" (1/1) ... [2023-11-24 23:20:50,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:50" (1/1) ... [2023-11-24 23:20:50,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:50" (1/1) ... [2023-11-24 23:20:50,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:50" (1/1) ... [2023-11-24 23:20:50,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:20:50,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:20:50,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:20:50,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:20:50,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:50" (1/1) ... [2023-11-24 23:20:50,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:50,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:20:50,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:20:50,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:20:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:20:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:20:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:20:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:20:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:20:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:20:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:20:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:20:51,211 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:20:51,214 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:20:52,109 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:20:53,045 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:20:53,045 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:20:53,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:53 BoogieIcfgContainer [2023-11-24 23:20:53,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:20:53,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:20:53,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:20:53,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:20:53,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:20:50" (1/3) ... [2023-11-24 23:20:53,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a5fbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:53, skipping insertion in model container [2023-11-24 23:20:53,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:50" (2/3) ... [2023-11-24 23:20:53,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a5fbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:53, skipping insertion in model container [2023-11-24 23:20:53,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:53" (3/3) ... [2023-11-24 23:20:53,064 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-85.i [2023-11-24 23:20:53,088 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:20:53,088 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:20:53,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:20:53,181 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;@9372c20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:20:53,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:20:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 29 states have (on average 1.103448275862069) internal successors, (32), 30 states have internal predecessors, (32), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-24 23:20:53,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-24 23:20:53,206 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:53,208 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:53,209 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:20:53,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:53,220 INFO L85 PathProgramCache]: Analyzing trace with hash 465897191, now seen corresponding path program 1 times [2023-11-24 23:20:53,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:20:53,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559471448] [2023-11-24 23:20:53,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:53,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:20:53,656 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:20:53,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1898049707] [2023-11-24 23:20:53,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:53,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:20:53,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:20:53,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:20:53,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382c0824-470a-4b67-97a6-71a7d6c63722/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:20:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:54,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 222 conjunts are in the unsatisfiable core [2023-11-24 23:20:54,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:20:58,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-24 23:21:02,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-24 23:21:05,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-11-24 23:21:08,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2023-11-24 23:21:12,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2023-11-24 23:21:14,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 61 [2023-11-24 23:21:18,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 73 [2023-11-24 23:21:21,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 85 [2023-11-24 23:21:22,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:22,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:22,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:22,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:22,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:22,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:22,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:22,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 85 [2023-11-24 23:21:24,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:24,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:24,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:24,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:24,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:24,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:24,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:24,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 85 [2023-11-24 23:21:32,784 INFO L224 Elim1Store]: Index analysis took 113 ms [2023-11-24 23:21:36,062 INFO L349 Elim1Store]: treesize reduction 101, result has 15.1 percent of original size [2023-11-24 23:21:36,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 14 new quantified variables, introduced 13 case distinctions, treesize of input 761 treesize of output 705 [2023-11-24 23:21:36,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:36,830 INFO L224 Elim1Store]: Index analysis took 346 ms