./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:57:30,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:30,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:57:30,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:30,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:30,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:30,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:30,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:30,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:30,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:30,332 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:30,333 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:30,334 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:30,336 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:57:30,336 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:30,336 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:30,337 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:57:30,337 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:57:30,338 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:30,338 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:57:30,339 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:57:30,339 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:57:30,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:30,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:30,341 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:57:30,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:57:30,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:57:30,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:30,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:30,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:30,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:30,345 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:57:30,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:30,345 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:30,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:30,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:30,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:30,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:30,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:30,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:30,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:30,348 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:57:30,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:57:30,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:30,349 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:30,349 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:30,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:30,349 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_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 [2023-11-24 23:57:30,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:30,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:30,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:30,635 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:30,636 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:30,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2023-11-24 23:57:33,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:34,029 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:34,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2023-11-24 23:57:34,041 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/data/28737b9f2/00b808910f574e7dbe3b180df76c81ec/FLAG620ea7e10 [2023-11-24 23:57:34,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/data/28737b9f2/00b808910f574e7dbe3b180df76c81ec [2023-11-24 23:57:34,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:34,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:34,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:34,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:34,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:34,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:34,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa2f534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34, skipping insertion in model container [2023-11-24 23:57:34,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:34,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:34,266 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_9fe7c72e-c624-4187-9832-66ffd5516533/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i[915,928] [2023-11-24 23:57:34,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:34,375 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:34,396 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_9fe7c72e-c624-4187-9832-66ffd5516533/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i[915,928] [2023-11-24 23:57:34,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:34,480 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:34,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34 WrapperNode [2023-11-24 23:57:34,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:34,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:34,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:34,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:34,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:34,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:34,585 INFO L138 Inliner]: procedures = 29, calls = 111, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 317 [2023-11-24 23:57:34,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:34,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:34,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:34,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:34,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:34,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:34,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:34,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:34,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:34,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:34,672 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:34,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:34,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:34,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:34,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:34,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:34,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:34,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:34,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:34,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:34,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:57:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:57:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:57:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:57:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:57:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:57:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:57:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:57:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:34,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:34,900 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:34,903 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:35,369 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:36,014 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:36,015 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:57:36,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:36 BoogieIcfgContainer [2023-11-24 23:57:36,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:36,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:36,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:36,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:36,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:34" (1/3) ... [2023-11-24 23:57:36,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455d4cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:36, skipping insertion in model container [2023-11-24 23:57:36,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34" (2/3) ... [2023-11-24 23:57:36,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455d4cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:36, skipping insertion in model container [2023-11-24 23:57:36,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:36" (3/3) ... [2023-11-24 23:57:36,033 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-0.i [2023-11-24 23:57:36,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:36,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:57:36,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:36,123 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;@3654b1bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:36,123 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:57:36,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-24 23:57:36,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:57:36,137 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:36,138 INFO L195 NwaCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:36,139 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:36,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:36,145 INFO L85 PathProgramCache]: Analyzing trace with hash -752065548, now seen corresponding path program 1 times [2023-11-24 23:57:36,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:36,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890829295] [2023-11-24 23:57:36,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:36,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:36,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:57:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:37,234 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:57:37,236 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:57:37,238 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:57:37,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:57:37,248 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:57:37,263 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:57:37,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-24 23:57:37,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-24 23:57:37,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-24 23:57:37,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-24 23:57:37,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-24 23:57:37,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-24 23:57:37,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-24 23:57:37,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-24 23:57:37,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-24 23:57:37,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-24 23:57:37,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-24 23:57:37,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-24 23:57:37,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-24 23:57:37,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-24 23:57:37,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-24 23:57:37,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-24 23:57:37,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-24 23:57:37,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-24 23:57:37,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-24 23:57:37,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-24 23:57:37,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-24 23:57:37,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-24 23:57:37,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-24 23:57:37,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-24 23:57:37,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-24 23:57:37,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-24 23:57:37,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-24 23:57:37,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-24 23:57:37,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-24 23:57:37,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-24 23:57:37,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-24 23:57:37,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-24 23:57:37,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-24 23:57:37,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-24 23:57:37,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-24 23:57:37,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-24 23:57:37,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:57:37,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:57:37,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-24 23:57:37,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-24 23:57:37,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:57:37 BoogieIcfgContainer [2023-11-24 23:57:37,381 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:57:37,383 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:57:37,384 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:57:37,384 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:57:37,385 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:36" (3/4) ... [2023-11-24 23:57:37,389 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:57:37,390 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:57:37,392 INFO L158 Benchmark]: Toolchain (without parser) took 3328.10ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 89.2MB in the beginning and 94.5MB in the end (delta: -5.3MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-24 23:57:37,393 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:37,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.82ms. Allocated memory is still 121.6MB. Free memory was 89.2MB in the beginning and 75.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:57:37,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.50ms. Allocated memory is still 121.6MB. Free memory was 75.0MB in the beginning and 71.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:37,397 INFO L158 Benchmark]: Boogie Preprocessor took 95.96ms. Allocated memory is still 121.6MB. Free memory was 71.9MB in the beginning and 69.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:57:37,402 INFO L158 Benchmark]: RCFGBuilder took 1332.89ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 69.2MB in the beginning and 67.7MB in the end (delta: 1.5MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2023-11-24 23:57:37,404 INFO L158 Benchmark]: TraceAbstraction took 1359.16ms. Allocated memory is still 148.9MB. Free memory was 66.8MB in the beginning and 94.5MB in the end (delta: -27.7MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-11-24 23:57:37,405 INFO L158 Benchmark]: Witness Printer took 7.43ms. Allocated memory is still 148.9MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:37,414 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.82ms. Allocated memory is still 121.6MB. Free memory was 89.2MB in the beginning and 75.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.50ms. Allocated memory is still 121.6MB. Free memory was 75.0MB in the beginning and 71.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.96ms. Allocated memory is still 121.6MB. Free memory was 71.9MB in the beginning and 69.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1332.89ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 69.2MB in the beginning and 67.7MB in the end (delta: 1.5MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1359.16ms. Allocated memory is still 148.9MB. Free memory was 66.8MB in the beginning and 94.5MB in the end (delta: -27.7MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Witness Printer took 7.43ms. Allocated memory is still 148.9MB. Free memory is still 94.5MB. 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~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 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 someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L33] unsigned char isInitial = 0; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L45] double last_1_WrapperStruct0_var_1_5 = 5.25; [L46] unsigned char last_1_WrapperStruct0_var_1_10 = 100; [L47] unsigned short int last_1_WrapperStruct0_var_1_13 = 5; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L98] EXPR WrapperStruct0.var_1_5 [L98] last_1_WrapperStruct0_var_1_5 = WrapperStruct0.var_1_5 [L99] EXPR WrapperStruct0.var_1_10 [L99] last_1_WrapperStruct0_var_1_10 = WrapperStruct0.var_1_10 [L100] EXPR WrapperStruct0.var_1_13 [L100] last_1_WrapperStruct0_var_1_13 = WrapperStruct0.var_1_13 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L83] WrapperStruct0.var_1_2 = __VERIFIER_nondet_uchar() [L84] EXPR WrapperStruct0.var_1_2 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L84] CALL assume_abort_if_not(WrapperStruct0.var_1_2 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(WrapperStruct0.var_1_2 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L85] EXPR WrapperStruct0.var_1_2 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L85] CALL assume_abort_if_not(WrapperStruct0.var_1_2 <= 1) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(WrapperStruct0.var_1_2 <= 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L86] WrapperStruct0.var_1_3 = __VERIFIER_nondet_double() [L87] EXPR WrapperStruct0.var_1_3 [L87] EXPR WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F [L87] EXPR (WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F ) [L87] EXPR WrapperStruct0.var_1_3 [L87] EXPR WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F [L87] EXPR WrapperStruct0.var_1_3 [L87] EXPR WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F [L87] EXPR (WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L87] CALL assume_abort_if_not((WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L88] WrapperStruct0.var_1_4 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct0.var_1_4 [L89] EXPR WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F [L89] EXPR WrapperStruct0.var_1_4 [L89] EXPR WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F [L89] EXPR (WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F) || (WrapperStruct0.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L89] CALL assume_abort_if_not((WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F) || (WrapperStruct0.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F) || (WrapperStruct0.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L90] WrapperStruct0.var_1_9 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct0.var_1_9 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L91] CALL assume_abort_if_not(WrapperStruct0.var_1_9 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct0.var_1_9 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L92] EXPR WrapperStruct0.var_1_9 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L92] CALL assume_abort_if_not(WrapperStruct0.var_1_9 <= 1) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct0.var_1_9 <= 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L93] WrapperStruct0.var_1_12 = __VERIFIER_nondet_uchar() [L94] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L94] CALL assume_abort_if_not(WrapperStruct0.var_1_12 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(WrapperStruct0.var_1_12 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L95] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L95] CALL assume_abort_if_not(WrapperStruct0.var_1_12 <= 254) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct0.var_1_12 <= 254) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L111] RET updateVariables() [L112] CALL step() [L51] WrapperStruct0.var_1_9 [L51] COND TRUE WrapperStruct0.var_1_9 [L52] EXPR WrapperStruct0.var_1_4 [L52] EXPR WrapperStruct0.var_1_3 [L52] COND TRUE (WrapperStruct0.var_1_4 * (WrapperStruct0.var_1_3 - 5.3)) <= last_1_WrapperStruct0_var_1_5 [L53] WrapperStruct0.var_1_13 = last_1_WrapperStruct0_var_1_10 [L56] COND FALSE !((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) [L61] EXPR WrapperStruct0.var_1_2 [L61] COND TRUE ! WrapperStruct0.var_1_2 [L62] EXPR WrapperStruct0.var_1_3 [L62] EXPR WrapperStruct0.var_1_4 [L62] WrapperStruct0.var_1_1 = (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4) [L66] EXPR WrapperStruct0.var_1_3 [L66] EXPR WrapperStruct0.var_1_4 [L66] EXPR WrapperStruct0.var_1_1 [L66] EXPR WrapperStruct0.var_1_1 [L66] COND TRUE (WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1 [L67] WrapperStruct0.var_1_2 [L67] COND FALSE !(WrapperStruct0.var_1_2) [L76] EXPR WrapperStruct0.var_1_3 [L76] WrapperStruct0.var_1_5 = WrapperStruct0.var_1_3 [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR WrapperStruct0.var_1_2 [L103] EXPR (! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3))))) [L103] EXPR WrapperStruct0.var_1_1 [L103] EXPR WrapperStruct0.var_1_3 [L103] EXPR WrapperStruct0.var_1_4 [L103] EXPR (! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3))))) [L103] EXPR ((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) [L103] EXPR WrapperStruct0.var_1_3 [L103] EXPR WrapperStruct0.var_1_4 [L103] EXPR WrapperStruct0.var_1_1 [L103] EXPR WrapperStruct0.var_1_1 [L103] EXPR ((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)) [L103] EXPR WrapperStruct0.var_1_2 [L103] EXPR WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)) [L103] EXPR WrapperStruct0.var_1_5 [L103] EXPR WrapperStruct0.var_1_3 [L103] EXPR WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)) [L103] EXPR ((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)) [L103] EXPR ((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) [L103] EXPR (((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1) [L103] EXPR ((((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1)) && (WrapperStruct0.var_1_9 ? (((WrapperStruct0.var_1_4 * (WrapperStruct0.var_1_3 - 5.3)) <= last_1_WrapperStruct0_var_1_5) ? (WrapperStruct0.var_1_13 == ((unsigned short int) last_1_WrapperStruct0_var_1_10)) : 1) : 1) [L103-L104] return ((((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1)) && (WrapperStruct0.var_1_9 ? (((WrapperStruct0.var_1_4 * (WrapperStruct0.var_1_3 - 5.3)) <= last_1_WrapperStruct0_var_1_5) ? (WrapperStruct0.var_1_13 == ((unsigned short int) last_1_WrapperStruct0_var_1_10)) : 1) : 1) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct0={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L19] reach_error() VAL [WrapperStruct0={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 8, 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=25occurred 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: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 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 [2023-11-24 23:57:37,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:57:40,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:40,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:57:40,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:40,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:40,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:40,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:40,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:40,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:40,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:40,546 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:40,547 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:40,547 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:40,549 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:40,550 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:40,550 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:40,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:40,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:40,553 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:57:40,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:57:40,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:40,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:40,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:40,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:40,557 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:57:40,557 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:57:40,557 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:57:40,558 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:57:40,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:40,559 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:40,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:40,561 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:57:40,561 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:40,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:40,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:40,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:40,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:40,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:40,563 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:57:40,564 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:57:40,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:40,565 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:40,565 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:40,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:40,566 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_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 [2023-11-24 23:57:40,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:40,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:40,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:41,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:41,001 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:41,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2023-11-24 23:57:44,351 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:44,628 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:44,628 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2023-11-24 23:57:44,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/data/e9d84563c/34f34934e5ac4475b0ed97f7513d599d/FLAG6029cd22d [2023-11-24 23:57:44,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/data/e9d84563c/34f34934e5ac4475b0ed97f7513d599d [2023-11-24 23:57:44,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:44,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:44,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:44,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:44,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:44,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:44" (1/1) ... [2023-11-24 23:57:44,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6845c4a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:44, skipping insertion in model container [2023-11-24 23:57:44,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:44" (1/1) ... [2023-11-24 23:57:44,734 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:44,963 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_9fe7c72e-c624-4187-9832-66ffd5516533/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i[915,928] [2023-11-24 23:57:45,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:45,075 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:45,095 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_9fe7c72e-c624-4187-9832-66ffd5516533/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i[915,928] [2023-11-24 23:57:45,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:45,194 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:45,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45 WrapperNode [2023-11-24 23:57:45,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:45,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:45,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:45,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:45,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,310 INFO L138 Inliner]: procedures = 33, calls = 111, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 317 [2023-11-24 23:57:45,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:45,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:45,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:45,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:45,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:45,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:45,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:45,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:45,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (1/1) ... [2023-11-24 23:57:45,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:45,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:45,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:45,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:57:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:57:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:57:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-24 23:57:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:57:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 23:57:45,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-24 23:57:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:57:45,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:57:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:45,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:57:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-24 23:57:45,760 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:45,763 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:59,454 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:59,504 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:59,505 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:57:59,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:59 BoogieIcfgContainer [2023-11-24 23:57:59,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:59,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:59,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:59,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:59,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:44" (1/3) ... [2023-11-24 23:57:59,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7cb3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:59, skipping insertion in model container [2023-11-24 23:57:59,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:45" (2/3) ... [2023-11-24 23:57:59,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7cb3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:59, skipping insertion in model container [2023-11-24 23:57:59,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:59" (3/3) ... [2023-11-24 23:57:59,515 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-0.i [2023-11-24 23:57:59,534 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:59,556 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:57:59,608 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:59,615 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;@6246c2b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:59,615 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:57:59,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 67 states have (on average 1.507462686567164) internal successors, (101), 68 states have internal predecessors, (101), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-24 23:57:59,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 23:57:59,631 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:59,632 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:59,633 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:59,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:59,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1937123480, now seen corresponding path program 1 times [2023-11-24 23:57:59,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:59,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979950997] [2023-11-24 23:57:59,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:59,654 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 [2023-11-24 23:57:59,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:59,688 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:57:59,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:58:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:00,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:58:00,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:00,349 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-24 23:58:00,349 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:00,350 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:00,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979950997] [2023-11-24 23:58:00,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1979950997] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:00,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:00,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:58:00,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388344132] [2023-11-24 23:58:00,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:00,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:58:00,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:00,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:58:00,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:58:00,388 INFO L87 Difference]: Start difference. First operand has 78 states, 67 states have (on average 1.507462686567164) internal successors, (101), 68 states have internal predecessors, (101), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-24 23:58:00,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:00,445 INFO L93 Difference]: Finished difference Result 150 states and 235 transitions. [2023-11-24 23:58:00,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:58:00,449 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2023-11-24 23:58:00,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:00,459 INFO L225 Difference]: With dead ends: 150 [2023-11-24 23:58:00,459 INFO L226 Difference]: Without dead ends: 73 [2023-11-24 23:58:00,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:58:00,467 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:00,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:58:00,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-24 23:58:00,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-24 23:58:00,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.380952380952381) internal successors, (87), 63 states have internal predecessors, (87), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-24 23:58:00,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2023-11-24 23:58:00,510 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 73 [2023-11-24 23:58:00,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:00,511 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2023-11-24 23:58:00,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-24 23:58:00,512 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2023-11-24 23:58:00,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 23:58:00,515 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:00,516 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:00,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:58:00,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:58:00,729 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:00,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:00,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1070185116, now seen corresponding path program 1 times [2023-11-24 23:58:00,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:00,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821009003] [2023-11-24 23:58:00,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:00,731 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 [2023-11-24 23:58:00,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:00,739 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:58:00,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:58:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:01,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:58:01,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:01,593 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:58:01,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 173 treesize of output 65 [2023-11-24 23:58:01,673 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-24 23:58:01,674 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:01,674 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:01,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821009003] [2023-11-24 23:58:01,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821009003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:01,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:01,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:58:01,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659437153] [2023-11-24 23:58:01,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:01,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:58:01,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:01,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:58:01,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:58:01,678 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-24 23:58:04,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:06,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:08,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:11,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:13,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:15,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:22,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:24,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:26,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:28,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:30,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:32,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:33,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:33,450 INFO L93 Difference]: Finished difference Result 151 states and 214 transitions. [2023-11-24 23:58:33,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:58:33,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2023-11-24 23:58:33,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:33,498 INFO L225 Difference]: With dead ends: 151 [2023-11-24 23:58:33,498 INFO L226 Difference]: Without dead ends: 79 [2023-11-24 23:58:33,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:58:33,522 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 104 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:33,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 255 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 12 Unknown, 0 Unchecked, 31.6s Time] [2023-11-24 23:58:33,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-24 23:58:33,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2023-11-24 23:58:33,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 63 states have internal predecessors, (86), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-24 23:58:33,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2023-11-24 23:58:33,545 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 73 [2023-11-24 23:58:33,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:33,545 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2023-11-24 23:58:33,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-24 23:58:33,546 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2023-11-24 23:58:33,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 23:58:33,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:33,549 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:33,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/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)] Forceful destruction successful, exit code 0 [2023-11-24 23:58:33,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:58:33,752 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:33,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:33,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1254714198, now seen corresponding path program 1 times [2023-11-24 23:58:33,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:33,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [453997112] [2023-11-24 23:58:33,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:33,754 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 [2023-11-24 23:58:33,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:33,760 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:58:33,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe7c72e-c624-4187-9832-66ffd5516533/bin/utaipan-verify-SwPr7d2a91/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 (4)] Waiting until timeout for monitored process [2023-11-24 23:58:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:34,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:58:34,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:34,730 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:58:34,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 173 treesize of output 65 [2023-11-24 23:58:34,811 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-24 23:58:34,814 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:34,814 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:34,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [453997112] [2023-11-24 23:58:34,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [453997112] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:34,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:34,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:58:34,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889009557] [2023-11-24 23:58:34,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:34,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:58:34,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:34,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:58:34,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:58:34,826 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8)