./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-39.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ --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 d2a0584d4779790e33dcddf636884f56e9964183aa5c7648270a93d40ce062b0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:01:32,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:01:32,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:01:32,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:01:32,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:01:32,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:01:32,489 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:01:32,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:01:32,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:01:32,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:01:32,498 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:01:32,499 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:01:32,499 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:01:32,500 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:01:32,500 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:01:32,501 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:01:32,501 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:01:32,502 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:01:32,502 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:01:32,502 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:01:32,503 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:01:32,503 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:01:32,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:01:32,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:01:32,506 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:01:32,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:01:32,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:01:32,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:01:32,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:01:32,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:01:32,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:01:32,510 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:01:32,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:01:32,510 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:01:32,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:01:32,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:01:32,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:32,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:01:32,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:01:32,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:01:32,512 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:01:32,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:01:32,513 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:01:32,513 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:01:32,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:01:32,514 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_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2a0584d4779790e33dcddf636884f56e9964183aa5c7648270a93d40ce062b0 [2023-11-19 05:01:32,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:01:32,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:01:32,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:01:32,914 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:01:32,914 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:01:32,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-39.i [2023-11-19 05:01:36,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:01:36,380 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:01:36,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-39.i [2023-11-19 05:01:36,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/data/b2743957a/4b0e73733c5d4047931f5bc25b24934a/FLAGb83b080d1 [2023-11-19 05:01:36,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/data/b2743957a/4b0e73733c5d4047931f5bc25b24934a [2023-11-19 05:01:36,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:01:36,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:01:36,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:36,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:01:36,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:01:36,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14407cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36, skipping insertion in model container [2023-11-19 05:01:36,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,467 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:01:36,634 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_791aad73-c00e-444c-b828-6d2e35d83759/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-39.i[916,929] [2023-11-19 05:01:36,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:36,726 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:01:36,739 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_791aad73-c00e-444c-b828-6d2e35d83759/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-39.i[916,929] [2023-11-19 05:01:36,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:36,820 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:01:36,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36 WrapperNode [2023-11-19 05:01:36,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:36,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:36,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:01:36,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:01:36,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,912 INFO L138 Inliner]: procedures = 29, calls = 191, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 528 [2023-11-19 05:01:36,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:36,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:01:36,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:01:36,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:01:36,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:01:36,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:01:36,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:01:36,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:01:36,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36" (1/1) ... [2023-11-19 05:01:36,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:37,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:37,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:01:37,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:01:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:01:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:01:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:01:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:01:37,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:01:37,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:01:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:01:37,117 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:01:37,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:01:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:01:37,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:01:37,272 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:01:37,275 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:01:38,070 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:01:39,252 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:01:39,253 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:01:39,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:39 BoogieIcfgContainer [2023-11-19 05:01:39,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:01:39,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:01:39,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:01:39,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:01:39,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:01:36" (1/3) ... [2023-11-19 05:01:39,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be5f4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:39, skipping insertion in model container [2023-11-19 05:01:39,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:36" (2/3) ... [2023-11-19 05:01:39,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be5f4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:39, skipping insertion in model container [2023-11-19 05:01:39,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:39" (3/3) ... [2023-11-19 05:01:39,277 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-39.i [2023-11-19 05:01:39,300 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:01:39,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:01:39,374 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:01:39,383 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;@fb5ddde, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:01:39,384 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:01:39,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 05:01:39,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 05:01:39,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:39,404 INFO L195 NwaCegarLoop]: trace histogram [16, 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] [2023-11-19 05:01:39,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:39,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:39,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1360967840, now seen corresponding path program 1 times [2023-11-19 05:01:39,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:39,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521036991] [2023-11-19 05:01:39,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:39,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:39,723 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:01:39,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1556337885] [2023-11-19 05:01:39,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:39,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:01:39,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:39,730 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:01:39,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:01:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:01:40,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:01:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:01:41,129 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:01:41,132 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:01:41,134 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:01:41,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:01:41,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:01:41,352 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:01:41,356 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:01:41,423 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-19 05:01:41,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-19 05:01:41,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-19 05:01:41,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:01:41,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 05:01:41,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:01:41,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 05:01:41,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 05:01:41,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:01:41,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 05:01:41,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-19 05:01:41,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:01:41,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-19 05:01:41,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-19 05:01:41,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-19 05:01:41,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-19 05:01:41,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 05:01:41,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-19 05:01:41,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-19 05:01:41,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 05:01:41,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 05:01:41,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-19 05:01:41,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 05:01:41,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-19 05:01:41,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-19 05:01:41,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 05:01:41,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 05:01:41,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-19 05:01:41,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 05:01:41,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-19 05:01:41,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 05:01:41,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated [2023-11-19 05:01:41,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 05:01:41,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated [2023-11-19 05:01:41,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 05:01:41,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 05:01:41,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 05:01:41,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated [2023-11-19 05:01:41,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated [2023-11-19 05:01:41,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-19 05:01:41,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 05:01:41,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 05:01:41,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-19 05:01:41,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-19 05:01:41,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-19 05:01:41,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-19 05:01:41,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-19 05:01:41,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-19 05:01:41,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-19 05:01:41,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-19 05:01:41,441 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-19 05:01:41,441 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-19 05:01:41,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-19 05:01:41,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-19 05:01:41,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-19 05:01:41,444 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-19 05:01:41,444 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-19 05:01:41,452 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-19 05:01:41,453 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-19 05:01:41,453 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-19 05:01:41,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-19 05:01:41,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-19 05:01:41,455 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-19 05:01:41,455 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-19 05:01:41,456 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated [2023-11-19 05:01:41,456 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated [2023-11-19 05:01:41,456 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-19 05:01:41,457 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-19 05:01:41,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:01:41 BoogieIcfgContainer [2023-11-19 05:01:41,495 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:01:41,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:01:41,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:01:41,496 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:01:41,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:39" (3/4) ... [2023-11-19 05:01:41,499 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:01:41,500 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:01:41,502 INFO L158 Benchmark]: Toolchain (without parser) took 5091.17ms. Allocated memory was 144.7MB in the beginning and 237.0MB in the end (delta: 92.3MB). Free memory was 98.4MB in the beginning and 160.5MB in the end (delta: -62.1MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2023-11-19 05:01:41,503 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory was 115.9MB in the beginning and 115.8MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:01:41,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.76ms. Allocated memory is still 144.7MB. Free memory was 98.1MB in the beginning and 82.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:01:41,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.93ms. Allocated memory is still 144.7MB. Free memory was 82.8MB in the beginning and 78.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:01:41,505 INFO L158 Benchmark]: Boogie Preprocessor took 72.82ms. Allocated memory is still 144.7MB. Free memory was 78.6MB in the beginning and 75.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:01:41,506 INFO L158 Benchmark]: RCFGBuilder took 2275.54ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 75.3MB in the beginning and 98.5MB in the end (delta: -23.2MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2023-11-19 05:01:41,507 INFO L158 Benchmark]: TraceAbstraction took 2229.63ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 98.5MB in the beginning and 161.5MB in the end (delta: -63.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:01:41,508 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 237.0MB. Free memory was 161.5MB in the beginning and 160.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:01:41,512 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory was 115.9MB in the beginning and 115.8MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.76ms. Allocated memory is still 144.7MB. Free memory was 98.1MB in the beginning and 82.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.93ms. Allocated memory is still 144.7MB. Free memory was 82.8MB in the beginning and 78.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.82ms. Allocated memory is still 144.7MB. Free memory was 78.6MB in the beginning and 75.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2275.54ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 75.3MB in the beginning and 98.5MB in the end (delta: -23.2MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2229.63ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 98.5MB in the beginning and 161.5MB in the end (delta: -63.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 237.0MB. Free memory was 161.5MB in the beginning and 160.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 39, overapproximation of shiftLeft at line 47, overapproximation of someUnaryFLOAToperation at line 39, overapproximation of someBinaryArithmeticFLOAToperation at line 39. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] float float_Array_0[3] = { 1.75, 7.8, 1.1 }; [L25-L27] signed long int signed_long_int_Array_0[3] = { 1230482582, 32, 5 }; [L28-L30] signed short int signed_short_int_Array_0[5] = { 32, 10, 1000, 0, -5 }; [L31-L33] unsigned char unsigned_char_Array_0[1] = { 64 }; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] FCALL updateLastVariables() [L97] CALL updateVariables() [L60] float_Array_0[0] = __VERIFIER_nondet_float() [L61] EXPR float_Array_0[0] [L61] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L61] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) [L61] EXPR float_Array_0[0] [L61] EXPR float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F [L61] EXPR float_Array_0[0] [L61] EXPR float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F [L61] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L61] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L62] float_Array_0[1] = __VERIFIER_nondet_float() [L63] EXPR float_Array_0[1] [L63] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L63] EXPR float_Array_0[1] [L63] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L63] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L63] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L64] float_Array_0[2] = __VERIFIER_nondet_float() [L65] EXPR float_Array_0[2] [L65] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F [L65] EXPR (float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) [L65] EXPR float_Array_0[2] [L65] EXPR float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F [L65] EXPR float_Array_0[2] [L65] EXPR float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F [L65] EXPR (float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L65] CALL assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L66] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L67] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L67] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= 1073741823) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(signed_long_int_Array_0[0] >= 1073741823) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L68] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L68] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L69] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L70] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L70] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(signed_short_int_Array_0[0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L71] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L71] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 16383) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 16383) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L72] signed_short_int_Array_0[1] = __VERIFIER_nondet_short() [L73] EXPR signed_short_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L73] CALL assume_abort_if_not(signed_short_int_Array_0[1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(signed_short_int_Array_0[1] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L74] EXPR signed_short_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L74] CALL assume_abort_if_not(signed_short_int_Array_0[1] <= 16383) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(signed_short_int_Array_0[1] <= 16383) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L75] signed_short_int_Array_0[2] = __VERIFIER_nondet_short() [L76] EXPR signed_short_int_Array_0[2] VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L76] CALL assume_abort_if_not(signed_short_int_Array_0[2] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(signed_short_int_Array_0[2] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L77] EXPR signed_short_int_Array_0[2] VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L77] CALL assume_abort_if_not(signed_short_int_Array_0[2] <= 16383) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(signed_short_int_Array_0[2] <= 16383) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L78] signed_short_int_Array_0[3] = __VERIFIER_nondet_short() [L79] EXPR signed_short_int_Array_0[3] VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L79] CALL assume_abort_if_not(signed_short_int_Array_0[3] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(signed_short_int_Array_0[3] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L80] EXPR signed_short_int_Array_0[3] VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L80] CALL assume_abort_if_not(signed_short_int_Array_0[3] <= 16383) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(signed_short_int_Array_0[3] <= 16383) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L81] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L82] EXPR unsigned_char_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L82] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L83] EXPR unsigned_char_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L83] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L84] EXPR unsigned_char_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L84] CALL assume_abort_if_not(unsigned_char_Array_0[0] != 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(unsigned_char_Array_0[0] != 0) VAL [float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L97] RET updateVariables() [L98] CALL step() [L37] EXPR signed_short_int_Array_0[3] [L37] EXPR signed_short_int_Array_0[2] [L37] EXPR signed_short_int_Array_0[1] [L37] EXPR signed_short_int_Array_0[0] [L37] EXPR ((signed_short_int_Array_0[1]) < (signed_short_int_Array_0[0])) ? (signed_short_int_Array_0[1]) : (signed_short_int_Array_0[0]) [L37] EXPR signed_short_int_Array_0[1] [L37] EXPR ((signed_short_int_Array_0[1]) < (signed_short_int_Array_0[0])) ? (signed_short_int_Array_0[1]) : (signed_short_int_Array_0[0]) [L37] signed_short_int_Array_0[4] = ((((((16) > (4)) ? (16) : (4))) + signed_short_int_Array_0[3]) - (signed_short_int_Array_0[2] + ((((signed_short_int_Array_0[1]) < (signed_short_int_Array_0[0])) ? (signed_short_int_Array_0[1]) : (signed_short_int_Array_0[0]))))) [L38] EXPR signed_short_int_Array_0[3] [L38] EXPR signed_short_int_Array_0[4] [L38] COND TRUE signed_short_int_Array_0[3] >= signed_short_int_Array_0[4] [L39] EXPR float_Array_0[2] [L39] EXPR float_Array_0[1] [L39] EXPR ((float_Array_0[2] + float_Array_0[1]) < 0 ) ? -(float_Array_0[2] + float_Array_0[1]) : (float_Array_0[2] + float_Array_0[1]) [L39] EXPR float_Array_0[2] [L39] EXPR float_Array_0[1] [L39] EXPR ((float_Array_0[2] + float_Array_0[1]) < 0 ) ? -(float_Array_0[2] + float_Array_0[1]) : (float_Array_0[2] + float_Array_0[1]) [L39] EXPR float_Array_0[0] [L39] COND TRUE ((((float_Array_0[2] + float_Array_0[1]) < 0 ) ? -(float_Array_0[2] + float_Array_0[1]) : (float_Array_0[2] + float_Array_0[1]))) < float_Array_0[0] [L40] EXPR signed_short_int_Array_0[2] [L40] signed_long_int_Array_0[2] = signed_short_int_Array_0[2] [L47] EXPR signed_long_int_Array_0[2] [L47] EXPR signed_short_int_Array_0[1] [L47] EXPR signed_short_int_Array_0[3] [L47] EXPR signed_short_int_Array_0[1] << signed_short_int_Array_0[3] [L47] signed long int stepLocal_1 = signed_long_int_Array_0[2] + (signed_short_int_Array_0[1] << signed_short_int_Array_0[3]); [L48] EXPR signed_short_int_Array_0[3] [L48] EXPR signed_long_int_Array_0[0] [L48] EXPR signed_short_int_Array_0[0] [L48] signed long int stepLocal_0 = signed_short_int_Array_0[3] - (signed_long_int_Array_0[0] - signed_short_int_Array_0[0]); [L49] EXPR signed_short_int_Array_0[0] [L49] COND TRUE stepLocal_1 != signed_short_int_Array_0[0] [L50] EXPR signed_short_int_Array_0[2] [L50] EXPR unsigned_char_Array_0[0] [L50] COND FALSE !((signed_short_int_Array_0[2] / unsigned_char_Array_0[0]) < stepLocal_0) [L53] EXPR signed_short_int_Array_0[1] [L53] signed_long_int_Array_0[1] = signed_short_int_Array_0[1] [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR signed_short_int_Array_0[4] [L89] EXPR signed_short_int_Array_0[3] [L89] EXPR signed_short_int_Array_0[2] [L89] EXPR signed_short_int_Array_0[1] [L89] EXPR signed_short_int_Array_0[0] [L89] EXPR ((signed_short_int_Array_0[1]) < (signed_short_int_Array_0[0])) ? (signed_short_int_Array_0[1]) : (signed_short_int_Array_0[0]) [L89] EXPR signed_short_int_Array_0[1] [L89] EXPR ((signed_short_int_Array_0[1]) < (signed_short_int_Array_0[0])) ? (signed_short_int_Array_0[1]) : (signed_short_int_Array_0[0]) [L89] EXPR (signed_short_int_Array_0[4] == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + signed_short_int_Array_0[3]) - (signed_short_int_Array_0[2] + ((((signed_short_int_Array_0[1]) < (signed_short_int_Array_0[0])) ? (signed_short_int_Array_0[1]) : (signed_short_int_Array_0[0]))))))) && ((signed_short_int_Array_0[3] >= signed_short_int_Array_0[4]) ? ((((((float_Array_0[2] + float_Array_0[1]) < 0 ) ? -(float_Array_0[2] + float_Array_0[1]) : (float_Array_0[2] + float_Array_0[1]))) < float_Array_0[0]) ? (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[2])) : (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[4]))) : (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[1]))) [L89] EXPR signed_short_int_Array_0[3] [L89] EXPR signed_short_int_Array_0[4] [L89] EXPR (signed_short_int_Array_0[3] >= signed_short_int_Array_0[4]) ? ((((((float_Array_0[2] + float_Array_0[1]) < 0 ) ? -(float_Array_0[2] + float_Array_0[1]) : (float_Array_0[2] + float_Array_0[1]))) < float_Array_0[0]) ? (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[2])) : (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[4]))) : (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[1])) [L89] EXPR float_Array_0[2] [L89] EXPR float_Array_0[1] [L89] EXPR ((float_Array_0[2] + float_Array_0[1]) < 0 ) ? -(float_Array_0[2] + float_Array_0[1]) : (float_Array_0[2] + float_Array_0[1]) [L89] EXPR float_Array_0[2] [L89] EXPR float_Array_0[1] [L89] EXPR ((float_Array_0[2] + float_Array_0[1]) < 0 ) ? -(float_Array_0[2] + float_Array_0[1]) : (float_Array_0[2] + float_Array_0[1]) [L89] EXPR float_Array_0[0] [L89] EXPR (((((float_Array_0[2] + float_Array_0[1]) < 0 ) ? -(float_Array_0[2] + float_Array_0[1]) : (float_Array_0[2] + float_Array_0[1]))) < float_Array_0[0]) ? (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[2])) : (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[4])) [L89] EXPR signed_long_int_Array_0[2] [L89] EXPR signed_short_int_Array_0[4] [L89] EXPR (((((float_Array_0[2] + float_Array_0[1]) < 0 ) ? -(float_Array_0[2] + float_Array_0[1]) : (float_Array_0[2] + float_Array_0[1]))) < float_Array_0[0]) ? (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[2])) : (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[4])) [L89] EXPR (signed_short_int_Array_0[3] >= signed_short_int_Array_0[4]) ? ((((((float_Array_0[2] + float_Array_0[1]) < 0 ) ? -(float_Array_0[2] + float_Array_0[1]) : (float_Array_0[2] + float_Array_0[1]))) < float_Array_0[0]) ? (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[2])) : (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[4]))) : (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[1])) [L89] EXPR (signed_short_int_Array_0[4] == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + signed_short_int_Array_0[3]) - (signed_short_int_Array_0[2] + ((((signed_short_int_Array_0[1]) < (signed_short_int_Array_0[0])) ? (signed_short_int_Array_0[1]) : (signed_short_int_Array_0[0]))))))) && ((signed_short_int_Array_0[3] >= signed_short_int_Array_0[4]) ? ((((((float_Array_0[2] + float_Array_0[1]) < 0 ) ? -(float_Array_0[2] + float_Array_0[1]) : (float_Array_0[2] + float_Array_0[1]))) < float_Array_0[0]) ? (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[2])) : (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[4]))) : (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[1]))) [L89] EXPR ((signed_short_int_Array_0[4] == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + signed_short_int_Array_0[3]) - (signed_short_int_Array_0[2] + ((((signed_short_int_Array_0[1]) < (signed_short_int_Array_0[0])) ? (signed_short_int_Array_0[1]) : (signed_short_int_Array_0[0]))))))) && ((signed_short_int_Array_0[3] >= signed_short_int_Array_0[4]) ? ((((((float_Array_0[2] + float_Array_0[1]) < 0 ) ? -(float_Array_0[2] + float_Array_0[1]) : (float_Array_0[2] + float_Array_0[1]))) < float_Array_0[0]) ? (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[2])) : (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[4]))) : (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[1])))) && (((signed_long_int_Array_0[2] + (signed_short_int_Array_0[1] << signed_short_int_Array_0[3])) != signed_short_int_Array_0[0]) ? (((signed_short_int_Array_0[2] / unsigned_char_Array_0[0]) < (signed_short_int_Array_0[3] - (signed_long_int_Array_0[0] - signed_short_int_Array_0[0]))) ? (signed_long_int_Array_0[1] == ((signed long int) ((((-256) < (((((signed_short_int_Array_0[1]) < (((((signed_short_int_Array_0[0]) > (signed_short_int_Array_0[3])) ? (signed_short_int_Array_0[0]) : (signed_short_int_Array_0[3]))))) ? (signed_short_int_Array_0[1]) : (((((signed_short_int_Array_0[0]) > (signed_short_int_Array_0[3])) ? (signed_short_int_Array_0[0]) : (signed_short_int_Array_0[3])))))))) ? (-256) : (((((signed_short_int_Array_0[1]) < (((((signed_short_int_Array_0[0]) > (signed_short_int_Array_0[3])) ? (signed_short_int_Array_0[0]) : (signed_short_int_Array_0[3]))))) ? (signed_short_int_Array_0[1]) : (((((signed_short_int_Array_0[0]) > (signed_short_int_Array_0[3])) ? (signed_short_int_Array_0[0]) : (signed_short_int_Array_0[3]))))))))))) : (signed_long_int_Array_0[1] == ((signed long int) signed_short_int_Array_0[1]))) : (signed_long_int_Array_0[1] == ((signed long int) signed_short_int_Array_0[3]))) [L89-L90] return ((signed_short_int_Array_0[4] == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + signed_short_int_Array_0[3]) - (signed_short_int_Array_0[2] + ((((signed_short_int_Array_0[1]) < (signed_short_int_Array_0[0])) ? (signed_short_int_Array_0[1]) : (signed_short_int_Array_0[0]))))))) && ((signed_short_int_Array_0[3] >= signed_short_int_Array_0[4]) ? ((((((float_Array_0[2] + float_Array_0[1]) < 0 ) ? -(float_Array_0[2] + float_Array_0[1]) : (float_Array_0[2] + float_Array_0[1]))) < float_Array_0[0]) ? (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[2])) : (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[4]))) : (signed_long_int_Array_0[2] == ((signed long int) signed_short_int_Array_0[1])))) && (((signed_long_int_Array_0[2] + (signed_short_int_Array_0[1] << signed_short_int_Array_0[3])) != signed_short_int_Array_0[0]) ? (((signed_short_int_Array_0[2] / unsigned_char_Array_0[0]) < (signed_short_int_Array_0[3] - (signed_long_int_Array_0[0] - signed_short_int_Array_0[0]))) ? (signed_long_int_Array_0[1] == ((signed long int) ((((-256) < (((((signed_short_int_Array_0[1]) < (((((signed_short_int_Array_0[0]) > (signed_short_int_Array_0[3])) ? (signed_short_int_Array_0[0]) : (signed_short_int_Array_0[3]))))) ? (signed_short_int_Array_0[1]) : (((((signed_short_int_Array_0[0]) > (signed_short_int_Array_0[3])) ? (signed_short_int_Array_0[0]) : (signed_short_int_Array_0[3])))))))) ? (-256) : (((((signed_short_int_Array_0[1]) < (((((signed_short_int_Array_0[0]) > (signed_short_int_Array_0[3])) ? (signed_short_int_Array_0[0]) : (signed_short_int_Array_0[3]))))) ? (signed_short_int_Array_0[1]) : (((((signed_short_int_Array_0[0]) > (signed_short_int_Array_0[3])) ? (signed_short_int_Array_0[0]) : (signed_short_int_Array_0[3]))))))))))) : (signed_long_int_Array_0[1] == ((signed long int) signed_short_int_Array_0[1]))) : (signed_long_int_Array_0[1] == ((signed long int) signed_short_int_Array_0[3]))) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L19] reach_error() VAL [\old(cond)=0, cond=0, float_Array_0={4:0}, isInitial=1, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:01:41,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ --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 d2a0584d4779790e33dcddf636884f56e9964183aa5c7648270a93d40ce062b0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:01:44,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:01:44,310 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:01:44,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:01:44,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:01:44,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:01:44,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:01:44,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:01:44,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:01:44,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:01:44,393 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:01:44,393 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:01:44,394 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:01:44,395 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:01:44,396 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:01:44,396 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:01:44,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:01:44,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:01:44,399 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:01:44,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:01:44,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:01:44,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:01:44,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:01:44,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:01:44,402 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:01:44,403 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:01:44,403 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:01:44,404 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:01:44,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:01:44,405 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:01:44,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:01:44,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:01:44,407 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:01:44,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:44,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:01:44,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:01:44,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:01:44,409 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:01:44,409 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:01:44,410 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:01:44,411 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:01:44,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:01:44,411 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2a0584d4779790e33dcddf636884f56e9964183aa5c7648270a93d40ce062b0 [2023-11-19 05:01:44,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:01:44,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:01:44,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:01:44,897 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:01:44,898 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:01:44,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-39.i [2023-11-19 05:01:48,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:01:48,491 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:01:48,492 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-39.i [2023-11-19 05:01:48,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/data/32156cbf8/f3b97a8c7cdf41ba83d1410431a53ade/FLAGe99a93831 [2023-11-19 05:01:48,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/data/32156cbf8/f3b97a8c7cdf41ba83d1410431a53ade [2023-11-19 05:01:48,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:01:48,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:01:48,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:48,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:01:48,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:01:48,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:48" (1/1) ... [2023-11-19 05:01:48,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5154f1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:48, skipping insertion in model container [2023-11-19 05:01:48,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:48" (1/1) ... [2023-11-19 05:01:48,558 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:01:48,708 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_791aad73-c00e-444c-b828-6d2e35d83759/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-39.i[916,929] [2023-11-19 05:01:48,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:48,807 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:01:48,821 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_791aad73-c00e-444c-b828-6d2e35d83759/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-39.i[916,929] [2023-11-19 05:01:48,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:48,933 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:01:48,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:48 WrapperNode [2023-11-19 05:01:48,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:48,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:48,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:01:48,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:01:48,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:48" (1/1) ... [2023-11-19 05:01:48,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:48" (1/1) ... [2023-11-19 05:01:49,024 INFO L138 Inliner]: procedures = 36, calls = 191, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 515 [2023-11-19 05:01:49,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:49,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:01:49,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:01:49,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:01:49,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:48" (1/1) ... [2023-11-19 05:01:49,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:48" (1/1) ... [2023-11-19 05:01:49,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:48" (1/1) ... [2023-11-19 05:01:49,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:48" (1/1) ... [2023-11-19 05:01:49,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:48" (1/1) ... [2023-11-19 05:01:49,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:48" (1/1) ... [2023-11-19 05:01:49,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:48" (1/1) ... [2023-11-19 05:01:49,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:48" (1/1) ... [2023-11-19 05:01:49,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:01:49,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:01:49,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:01:49,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:01:49,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:48" (1/1) ... [2023-11-19 05:01:49,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:49,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:49,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:01:49,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:01:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:01:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:01:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 05:01:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:01:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 05:01:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 05:01:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:01:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 05:01:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 05:01:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 05:01:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:01:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:01:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:01:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:01:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:01:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 05:01:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:01:49,310 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:01:49,312 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:01:50,777 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:01:50,787 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:01:50,788 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:01:50,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:50 BoogieIcfgContainer [2023-11-19 05:01:50,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:01:50,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:01:50,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:01:50,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:01:50,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:01:48" (1/3) ... [2023-11-19 05:01:50,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ba16b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:50, skipping insertion in model container [2023-11-19 05:01:50,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:48" (2/3) ... [2023-11-19 05:01:50,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ba16b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:50, skipping insertion in model container [2023-11-19 05:01:50,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:50" (3/3) ... [2023-11-19 05:01:50,802 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-39.i [2023-11-19 05:01:50,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:01:50,822 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:01:50,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:01:50,893 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;@7f9ac6a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:01:50,893 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:01:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 95 states have (on average 1.4421052631578948) internal successors, (137), 96 states have internal predecessors, (137), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 05:01:50,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-19 05:01:50,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:50,915 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1] [2023-11-19 05:01:50,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:50,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:50,922 INFO L85 PathProgramCache]: Analyzing trace with hash -607755742, now seen corresponding path program 1 times [2023-11-19 05:01:50,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:01:50,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1750024927] [2023-11-19 05:01:50,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:50,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:01:50,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:01:50,949 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:01:50,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:01:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:51,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:01:51,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:01:51,508 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-11-19 05:01:51,508 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:01:51,509 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:01:51,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1750024927] [2023-11-19 05:01:51,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1750024927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:51,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:51,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:01:51,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308430372] [2023-11-19 05:01:51,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:51,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:01:51,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:01:51,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:01:51,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:01:51,572 INFO L87 Difference]: Start difference. First operand has 114 states, 95 states have (on average 1.4421052631578948) internal successors, (137), 96 states have internal predecessors, (137), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 05:01:51,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:51,638 INFO L93 Difference]: Finished difference Result 221 states and 348 transitions. [2023-11-19 05:01:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:01:51,641 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 126 [2023-11-19 05:01:51,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:51,653 INFO L225 Difference]: With dead ends: 221 [2023-11-19 05:01:51,653 INFO L226 Difference]: Without dead ends: 110 [2023-11-19 05:01:51,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:01:51,663 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:51,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:01:51,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-19 05:01:51,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2023-11-19 05:01:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.4130434782608696) internal successors, (130), 92 states have internal predecessors, (130), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 05:01:51,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 162 transitions. [2023-11-19 05:01:51,724 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 162 transitions. Word has length 126 [2023-11-19 05:01:51,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:51,725 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 162 transitions. [2023-11-19 05:01:51,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 05:01:51,725 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 162 transitions. [2023-11-19 05:01:51,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-19 05:01:51,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:51,732 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1] [2023-11-19 05:01:51,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:01:51,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:01:51,941 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:51,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:51,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1007872186, now seen corresponding path program 1 times [2023-11-19 05:01:51,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:01:51,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647617231] [2023-11-19 05:01:51,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:51,943 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:01:51,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:01:51,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:01:51,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:01:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:52,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 05:01:52,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:01:53,299 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 8 treesize of output 1 [2023-11-19 05:01:53,903 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 38 treesize of output 18 [2023-11-19 05:01:55,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:55,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2023-11-19 05:01:55,814 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:55,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 65 treesize of output 60 [2023-11-19 05:01:56,703 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 69 treesize of output 54 [2023-11-19 05:01:58,112 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:58,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 79 [2023-11-19 05:01:58,446 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:58,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 98 treesize of output 93 [2023-11-19 05:01:59,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 108 [2023-11-19 05:01:59,249 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 49 treesize of output 41 [2023-11-19 05:01:59,566 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:59,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 121 treesize of output 57 [2023-11-19 05:02:00,173 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 211 proven. 204 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-19 05:02:00,173 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:02:01,496 WARN L854 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_step_#t~mem4#1| (_ BitVec 16)) (|ULTIMATE.start_step_#t~ite9#1| (_ BitVec 32)) (|ULTIMATE.start_step_#t~mem10#1| (_ BitVec 16))) (let ((.cse4 (select |c_#memory_int| |c_~#signed_short_int_Array_0~0.base|))) (let ((.cse1 (bvadd |c_~#signed_short_int_Array_0~0.offset| (_ bv2 32))) (.cse3 (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| (store .cse4 (bvadd |c_~#signed_short_int_Array_0~0.offset| (_ bv8 32)) ((_ sign_extend 16) ((_ extract 15 0) (bvadd ((_ sign_extend 16) |ULTIMATE.start_step_#t~mem4#1|) (bvneg (bvadd ((_ sign_extend 16) |ULTIMATE.start_step_#t~mem10#1|) |ULTIMATE.start_step_#t~ite9#1|)) (_ bv16 32)))))))) (or (forall ((|~#signed_long_int_Array_0~0.offset| (_ BitVec 32))) (not (let ((.cse2 ((_ sign_extend 16) ((_ extract 15 0) (select .cse4 .cse1))))) (let ((.cse0 (select (store .cse3 |c_~#signed_long_int_Array_0~0.base| (store (select .cse3 |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv8 32) |~#signed_long_int_Array_0~0.offset|) .cse2)) |c_~#signed_short_int_Array_0~0.base|))) (= (bvadd (bvshl ((_ sign_extend 16) ((_ extract 15 0) (select .cse0 .cse1))) ((_ sign_extend 16) ((_ extract 15 0) (select .cse0 (bvadd |c_~#signed_short_int_Array_0~0.offset| (_ bv6 32)))))) .cse2) ((_ sign_extend 16) ((_ extract 15 0) (select .cse0 |c_~#signed_short_int_Array_0~0.offset|)))))))) (forall ((v_ArrVal_57 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (select (store .cse3 |c_~#signed_long_int_Array_0~0.base| v_ArrVal_57) |c_~#signed_short_int_Array_0~0.base|))) (bvslt ((_ sign_extend 16) ((_ extract 15 0) (select .cse5 .cse1))) ((_ sign_extend 16) ((_ extract 15 0) (select .cse5 |c_~#signed_short_int_Array_0~0.offset|)))))))))) is different from false [2023-11-19 05:02:05,881 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:02:05,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647617231] [2023-11-19 05:02:05,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647617231] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:02:05,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [798587109] [2023-11-19 05:02:05,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:05,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:02:05,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:02:05,888 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:02:05,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:02:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:06,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 05:02:06,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:02:07,866 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 [2023-11-19 05:02:09,513 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 34 treesize of output 18 [2023-11-19 05:02:11,808 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 52 treesize of output 35 [2023-11-19 05:02:12,313 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 52 treesize of output 35 [2023-11-19 05:02:12,782 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 45 treesize of output 34 [2023-11-19 05:02:14,186 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 55 treesize of output 49 [2023-11-19 05:02:14,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 63 [2023-11-19 05:02:15,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 80 [2023-11-19 05:02:15,486 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 43 treesize of output 35 [2023-11-19 05:02:16,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 49 [2023-11-19 05:02:16,576 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 195 proven. 204 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-19 05:02:16,577 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:02:17,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [798587109] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:02:17,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580469909] [2023-11-19 05:02:17,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:17,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:02:17,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:02:17,112 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:02:17,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791aad73-c00e-444c-b828-6d2e35d83759/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 05:02:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:17,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 05:02:17,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:02:18,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:02:18,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 43 [2023-11-19 05:02:25,229 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:02:25,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 57