./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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_d894049c-e13d-400d-9f01-08d0ace8faba/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 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:51,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:51,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:02:51,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:51,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:51,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:51,863 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:51,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:51,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:51,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:51,872 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:51,874 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:51,875 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:51,877 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:02:51,877 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:51,878 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:51,879 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:02:51,879 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:02:51,880 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:51,881 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:02:51,881 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:02:51,882 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:02:51,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:51,884 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:51,885 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:02:51,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:02:51,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:02:51,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:51,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:51,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:51,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:51,890 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:02:51,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:51,891 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:51,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:51,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:02:51,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:51,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:51,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:51,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:51,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:51,894 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:02:51,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:02:51,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:51,896 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:51,896 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:51,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:51,897 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_d894049c-e13d-400d-9f01-08d0ace8faba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 [2023-11-25 00:02:52,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:52,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:52,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:52,339 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:52,339 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:52,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2023-11-25 00:02:55,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:55,888 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:55,890 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2023-11-25 00:02:55,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/data/5b5408eb3/b63e76a431a4448b9b00141eeeaa46e3/FLAG14252bb0b [2023-11-25 00:02:55,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/data/5b5408eb3/b63e76a431a4448b9b00141eeeaa46e3 [2023-11-25 00:02:55,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:55,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:55,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:55,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:55,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:55,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:55" (1/1) ... [2023-11-25 00:02:55,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f82c908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:55, skipping insertion in model container [2023-11-25 00:02:55,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:55" (1/1) ... [2023-11-25 00:02:55,989 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:56,250 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_d894049c-e13d-400d-9f01-08d0ace8faba/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2023-11-25 00:02:56,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:56,347 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:02:56,359 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_d894049c-e13d-400d-9f01-08d0ace8faba/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2023-11-25 00:02:56,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:56,503 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:02:56,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56 WrapperNode [2023-11-25 00:02:56,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:56,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:56,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:02:56,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:02:56,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56" (1/1) ... [2023-11-25 00:02:56,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56" (1/1) ... [2023-11-25 00:02:56,597 INFO L138 Inliner]: procedures = 29, calls = 243, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 666 [2023-11-25 00:02:56,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:56,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:02:56,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:02:56,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:02:56,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56" (1/1) ... [2023-11-25 00:02:56,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56" (1/1) ... [2023-11-25 00:02:56,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56" (1/1) ... [2023-11-25 00:02:56,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56" (1/1) ... [2023-11-25 00:02:56,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56" (1/1) ... [2023-11-25 00:02:56,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56" (1/1) ... [2023-11-25 00:02:56,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56" (1/1) ... [2023-11-25 00:02:56,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56" (1/1) ... [2023-11-25 00:02:56,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:02:56,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:02:56,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:02:56,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:02:56,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56" (1/1) ... [2023-11-25 00:02:56,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:56,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:56,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:02:56,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:02:56,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:02:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-25 00:02:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:02:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-25 00:02:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:02:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-25 00:02:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:02:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:02:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:02:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:02:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:02:57,020 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:02:57,022 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:02:57,816 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:02:58,894 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:02:58,895 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:02:58,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:58 BoogieIcfgContainer [2023-11-25 00:02:58,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:02:58,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:02:58,901 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:02:58,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:02:58,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:02:55" (1/3) ... [2023-11-25 00:02:58,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6049927a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:58, skipping insertion in model container [2023-11-25 00:02:58,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56" (2/3) ... [2023-11-25 00:02:58,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6049927a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:58, skipping insertion in model container [2023-11-25 00:02:58,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:58" (3/3) ... [2023-11-25 00:02:58,911 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-86.i [2023-11-25 00:02:58,930 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:02:58,930 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:02:58,994 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:02:59,002 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;@6a09b583, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:02:59,003 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:02:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 31 states have (on average 1.096774193548387) internal successors, (34), 32 states have internal predecessors, (34), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-25 00:02:59,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-25 00:02:59,021 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:59,022 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:59,023 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:59,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:59,028 INFO L85 PathProgramCache]: Analyzing trace with hash 2111812488, now seen corresponding path program 1 times [2023-11-25 00:02:59,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:59,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093998764] [2023-11-25 00:02:59,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:59,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:03:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:03:06,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:03:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:03:12,993 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:03:12,996 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:03:12,997 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:03:12,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:03:13,004 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:03:13,009 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:03:13,074 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-25 00:03:13,076 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-25 00:03:13,076 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-25 00:03:13,077 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-25 00:03:13,077 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-25 00:03:13,077 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-25 00:03:13,078 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-25 00:03:13,078 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-25 00:03:13,078 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-25 00:03:13,079 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-25 00:03:13,079 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-25 00:03:13,080 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-25 00:03:13,080 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-25 00:03:13,080 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-25 00:03:13,081 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-25 00:03:13,081 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-25 00:03:13,082 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-25 00:03:13,083 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-25 00:03:13,083 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-25 00:03:13,085 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-25 00:03:13,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short104 could not be translated [2023-11-25 00:03:13,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-25 00:03:13,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-25 00:03:13,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-25 00:03:13,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-25 00:03:13,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-25 00:03:13,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-25 00:03:13,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-25 00:03:13,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short104 could not be translated [2023-11-25 00:03:13,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-25 00:03:13,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-25 00:03:13,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-25 00:03:13,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-25 00:03:13,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-25 00:03:13,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated [2023-11-25 00:03:13,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem110 could not be translated [2023-11-25 00:03:13,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated [2023-11-25 00:03:13,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-25 00:03:13,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated [2023-11-25 00:03:13,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short111 could not be translated [2023-11-25 00:03:13,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-25 00:03:13,098 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-25 00:03:13,098 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated [2023-11-25 00:03:13,098 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated [2023-11-25 00:03:13,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem110 could not be translated [2023-11-25 00:03:13,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated [2023-11-25 00:03:13,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short111 could not be translated [2023-11-25 00:03:13,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-25 00:03:13,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short119 could not be translated [2023-11-25 00:03:13,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated [2023-11-25 00:03:13,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated [2023-11-25 00:03:13,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-25 00:03:13,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short116 could not be translated [2023-11-25 00:03:13,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-25 00:03:13,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated [2023-11-25 00:03:13,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-25 00:03:13,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-25 00:03:13,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short116 could not be translated [2023-11-25 00:03:13,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated [2023-11-25 00:03:13,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated [2023-11-25 00:03:13,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated [2023-11-25 00:03:13,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short119 could not be translated [2023-11-25 00:03:13,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem122 could not be translated [2023-11-25 00:03:13,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem122 could not be translated [2023-11-25 00:03:13,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated [2023-11-25 00:03:13,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated [2023-11-25 00:03:13,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated [2023-11-25 00:03:13,109 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated [2023-11-25 00:03:13,109 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated [2023-11-25 00:03:13,110 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated [2023-11-25 00:03:13,110 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem128 could not be translated [2023-11-25 00:03:13,112 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem128 could not be translated [2023-11-25 00:03:13,113 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated [2023-11-25 00:03:13,114 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated [2023-11-25 00:03:13,114 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem131 could not be translated [2023-11-25 00:03:13,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem131 could not be translated [2023-11-25 00:03:13,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem132 could not be translated [2023-11-25 00:03:13,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem132 could not be translated [2023-11-25 00:03:13,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem134 could not be translated [2023-11-25 00:03:13,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem134 could not be translated [2023-11-25 00:03:13,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem135 could not be translated [2023-11-25 00:03:13,120 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem135 could not be translated [2023-11-25 00:03:13,122 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem137 could not be translated [2023-11-25 00:03:13,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem137 could not be translated [2023-11-25 00:03:13,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem138 could not be translated [2023-11-25 00:03:13,124 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem138 could not be translated [2023-11-25 00:03:13,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:03:13 BoogieIcfgContainer [2023-11-25 00:03:13,155 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:03:13,156 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:03:13,156 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:03:13,156 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:03:13,157 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:58" (3/4) ... [2023-11-25 00:03:13,160 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:03:13,161 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:03:13,163 INFO L158 Benchmark]: Toolchain (without parser) took 17243.31ms. Allocated memory was 172.0MB in the beginning and 612.4MB in the end (delta: 440.4MB). Free memory was 135.6MB in the beginning and 544.1MB in the end (delta: -408.5MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2023-11-25 00:03:13,163 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:03:13,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.71ms. Allocated memory is still 172.0MB. Free memory was 135.6MB in the beginning and 123.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-25 00:03:13,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.62ms. Allocated memory is still 172.0MB. Free memory was 123.9MB in the beginning and 117.7MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-25 00:03:13,165 INFO L158 Benchmark]: Boogie Preprocessor took 153.60ms. Allocated memory is still 172.0MB. Free memory was 117.7MB in the beginning and 113.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:03:13,166 INFO L158 Benchmark]: RCFGBuilder took 2145.28ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 112.4MB in the beginning and 122.1MB in the end (delta: -9.6MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. [2023-11-25 00:03:13,167 INFO L158 Benchmark]: TraceAbstraction took 14254.57ms. Allocated memory was 207.6MB in the beginning and 612.4MB in the end (delta: 404.8MB). Free memory was 121.0MB in the beginning and 545.2MB in the end (delta: -424.1MB). Peak memory consumption was 322.8MB. Max. memory is 16.1GB. [2023-11-25 00:03:13,168 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 612.4MB. Free memory was 545.2MB in the beginning and 544.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:03:13,172 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.71ms. Allocated memory is still 172.0MB. Free memory was 135.6MB in the beginning and 123.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.62ms. Allocated memory is still 172.0MB. Free memory was 123.9MB in the beginning and 117.7MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.60ms. Allocated memory is still 172.0MB. Free memory was 117.7MB in the beginning and 113.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2145.28ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 112.4MB in the beginning and 122.1MB in the end (delta: -9.6MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14254.57ms. Allocated memory was 207.6MB in the beginning and 612.4MB in the end (delta: 404.8MB). Free memory was 121.0MB in the beginning and 545.2MB in the end (delta: -424.1MB). Peak memory consumption was 322.8MB. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 612.4MB. Free memory was 545.2MB in the beginning and 544.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem115 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem131 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem131 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem132 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem132 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem134 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem134 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem135 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem135 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem137 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem137 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem138 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem138 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of shiftLeft at line 79, overapproximation of someBinaryArithmeticFLOAToperation at line 73. Possible FailurePath: [L42] unsigned char isInitial = 0; [L43-L62] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 2, 256, -256, 2, 255.8, 127.8, 128.5, 499.3, 10, 1, 8, 256, 1, 16, 57705, 64 }; [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] FCALL updateLastVariables() [L138] CALL updateVariables() [L87] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L88] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] WrapperStruct00.var_1_3 = __VERIFIER_nondet_short() [L91] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= -16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= -16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] WrapperStruct00.var_1_4 = __VERIFIER_nondet_short() [L94] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -8191) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -8191) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 8192) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 8192) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] WrapperStruct00.var_1_5 = __VERIFIER_nondet_short() [L97] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= -8191) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= -8191) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 8191) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 8191) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_6 = __VERIFIER_nondet_short() [L100] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= -32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= -32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 32766) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 32766) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_8 = __VERIFIER_nondet_float() [L103] EXPR WrapperStruct00.var_1_8 [L103] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L103] EXPR WrapperStruct00.var_1_8 [L103] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L103] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L105] EXPR WrapperStruct00.var_1_9 [L105] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F [L105] EXPR (WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) [L105] EXPR WrapperStruct00.var_1_9 [L105] EXPR WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F [L105] EXPR WrapperStruct00.var_1_9 [L105] EXPR WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F [L105] EXPR (WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L107] EXPR WrapperStruct00.var_1_10 [L107] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F [L107] EXPR WrapperStruct00.var_1_10 [L107] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F [L107] EXPR (WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L109] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ushort() [L112] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] WrapperStruct00.var_1_14 = __VERIFIER_nondet_ushort() [L115] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L116] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] WrapperStruct00.var_1_15 = __VERIFIER_nondet_ushort() [L118] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L119] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] WrapperStruct00.var_1_16 = __VERIFIER_nondet_ushort() [L121] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L121] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L122] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L123] WrapperStruct00.var_1_17 = __VERIFIER_nondet_ushort() [L124] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L124] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L125] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L125] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] RET updateVariables() [L139] CALL step() [L66] EXPR WrapperStruct00.var_1_2 [L66] COND FALSE !(! WrapperStruct00.var_1_2) [L69] EXPR WrapperStruct00.var_1_5 [L69] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_5 [L71] EXPR WrapperStruct00.var_1_5 [L71] signed short int stepLocal_0 = WrapperStruct00.var_1_5; [L72] COND TRUE stepLocal_0 > 2 [L73] EXPR WrapperStruct00.var_1_8 [L73] EXPR WrapperStruct00.var_1_9 [L73] EXPR WrapperStruct00.var_1_10 [L73] WrapperStruct00.var_1_7 = ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10) [L75] EXPR WrapperStruct00.var_1_17 [L75] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_17 [L76] EXPR WrapperStruct00.var_1_2 [L76] WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12 [L76] EXPR WrapperStruct00.var_1_12 [L76] WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12 [L76] COND TRUE WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12 [L77] EXPR WrapperStruct00.var_1_13 [L77] EXPR WrapperStruct00.var_1_14 [L77] EXPR WrapperStruct00.var_1_15 [L77] EXPR ((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15) [L77] EXPR WrapperStruct00.var_1_14 [L77] EXPR ((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15) [L77] EXPR WrapperStruct00.var_1_16 [L77] EXPR ((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16) [L77] EXPR WrapperStruct00.var_1_16 [L77] EXPR ((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16) [L77] WrapperStruct00.var_1_11 = (WrapperStruct00.var_1_13 + ((((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16)))) [L139] RET step() [L140] CALL, EXPR property() [L130] EXPR WrapperStruct00.var_1_2 [L130] EXPR (! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) [L130] EXPR WrapperStruct00.var_1_1 [L130] EXPR WrapperStruct00.var_1_5 [L130] EXPR (! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) [L130] EXPR ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1) [L130] EXPR WrapperStruct00.var_1_5 [L130] EXPR (WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1 [L130] EXPR WrapperStruct00.var_1_7 [L130] EXPR WrapperStruct00.var_1_8 [L130] EXPR WrapperStruct00.var_1_9 [L130] EXPR WrapperStruct00.var_1_10 [L130] EXPR (WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1 [L130] EXPR ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1) [L130] EXPR (((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_13 + ((((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16)))))) : ((WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_11 == ((unsigned short int) ((((((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) < 0 ) ? -(((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) : (((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))))))) : (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15))))) [L130] EXPR ((((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_13 + ((((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16)))))) : ((WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_11 == ((unsigned short int) ((((((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) < 0 ) ? -(((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) : (((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))))))) : (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_18 == ((unsigned long int) WrapperStruct00.var_1_17)) [L130-L131] return ((((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_13 + ((((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16)))))) : ((WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_11 == ((unsigned short int) ((((((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) < 0 ) ? -(((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) : (((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))))))) : (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_18 == ((unsigned long int) WrapperStruct00.var_1_17)) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.0s, OverallIterations: 1, TraceHistogramMax: 25, 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=59occurred 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, 6.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 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 [2023-11-25 00:03:13,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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_d894049c-e13d-400d-9f01-08d0ace8faba/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 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:03:15,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:03:16,058 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:03:16,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:03:16,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:03:16,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:03:16,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:03:16,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:03:16,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:03:16,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:03:16,126 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:03:16,127 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:03:16,127 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:03:16,129 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:03:16,129 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:03:16,130 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:03:16,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:03:16,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:03:16,132 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:03:16,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:03:16,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:03:16,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:03:16,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:03:16,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:03:16,135 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:03:16,135 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:03:16,136 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:03:16,136 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:03:16,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:03:16,137 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:03:16,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:03:16,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:03:16,139 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:03:16,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:03:16,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:16,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:03:16,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:03:16,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:03:16,141 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:03:16,142 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:03:16,142 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:03:16,143 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:03:16,143 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:03:16,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:03:16,144 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_d894049c-e13d-400d-9f01-08d0ace8faba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 [2023-11-25 00:03:16,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:03:16,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:03:16,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:03:16,577 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:03:16,577 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:03:16,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2023-11-25 00:03:19,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:03:19,991 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:03:19,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2023-11-25 00:03:20,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/data/1a21bd9ad/dfb25445e6ce4c7290115c80913b0d96/FLAG30a706407 [2023-11-25 00:03:20,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/data/1a21bd9ad/dfb25445e6ce4c7290115c80913b0d96 [2023-11-25 00:03:20,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:03:20,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:03:20,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:20,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:03:20,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:03:20,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:20" (1/1) ... [2023-11-25 00:03:20,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4357b696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:20, skipping insertion in model container [2023-11-25 00:03:20,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:20" (1/1) ... [2023-11-25 00:03:20,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:03:20,251 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_d894049c-e13d-400d-9f01-08d0ace8faba/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2023-11-25 00:03:20,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:20,419 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:03:20,435 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_d894049c-e13d-400d-9f01-08d0ace8faba/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2023-11-25 00:03:20,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:20,529 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:03:20,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:20 WrapperNode [2023-11-25 00:03:20,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:20,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:20,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:03:20,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:03:20,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:20" (1/1) ... [2023-11-25 00:03:20,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:20" (1/1) ... [2023-11-25 00:03:20,618 INFO L138 Inliner]: procedures = 36, calls = 243, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 653 [2023-11-25 00:03:20,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:20,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:03:20,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:03:20,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:03:20,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:20" (1/1) ... [2023-11-25 00:03:20,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:20" (1/1) ... [2023-11-25 00:03:20,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:20" (1/1) ... [2023-11-25 00:03:20,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:20" (1/1) ... [2023-11-25 00:03:20,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:20" (1/1) ... [2023-11-25 00:03:20,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:20" (1/1) ... [2023-11-25 00:03:20,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:20" (1/1) ... [2023-11-25 00:03:20,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:20" (1/1) ... [2023-11-25 00:03:20,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:03:20,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:03:20,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:03:20,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:03:20,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:20" (1/1) ... [2023-11-25 00:03:20,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:20,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:03:20,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:03:20,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:03:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:03:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-25 00:03:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-25 00:03:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:03:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-25 00:03:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-25 00:03:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-25 00:03:20,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-25 00:03:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-25 00:03:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-25 00:03:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:03:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:03:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:03:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:03:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-25 00:03:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-25 00:03:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-25 00:03:21,009 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:03:21,015 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:03:22,540 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:03:22,585 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:03:22,586 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:03:22,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:22 BoogieIcfgContainer [2023-11-25 00:03:22,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:03:22,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:03:22,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:03:22,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:03:22,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:03:20" (1/3) ... [2023-11-25 00:03:22,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68858a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:22, skipping insertion in model container [2023-11-25 00:03:22,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:20" (2/3) ... [2023-11-25 00:03:22,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68858a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:22, skipping insertion in model container [2023-11-25 00:03:22,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:22" (3/3) ... [2023-11-25 00:03:22,596 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-86.i [2023-11-25 00:03:22,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:03:22,615 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:03:22,670 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:03:22,678 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;@4beb684e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:03:22,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:03:22,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 148 states, 120 states have (on average 1.4583333333333333) internal successors, (175), 121 states have internal predecessors, (175), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-25 00:03:22,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-25 00:03:22,704 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:22,705 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:03:22,706 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:22,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:22,713 INFO L85 PathProgramCache]: Analyzing trace with hash 646539576, now seen corresponding path program 1 times [2023-11-25 00:03:22,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:03:22,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479105248] [2023-11-25 00:03:22,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:22,729 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 [2023-11-25 00:03:22,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:03:22,731 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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) [2023-11-25 00:03:22,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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 [2023-11-25 00:03:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:23,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:03:23,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:23,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2023-11-25 00:03:23,383 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:03:23,384 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:03:23,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479105248] [2023-11-25 00:03:23,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479105248] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:23,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:03:23,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:03:23,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136778654] [2023-11-25 00:03:23,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:23,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:03:23,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:03:23,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:03:23,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:03:23,462 INFO L87 Difference]: Start difference. First operand has 148 states, 120 states have (on average 1.4583333333333333) internal successors, (175), 121 states have internal predecessors, (175), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-25 00:03:23,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:03:23,571 INFO L93 Difference]: Finished difference Result 293 states and 473 transitions. [2023-11-25 00:03:23,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:03:23,575 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 179 [2023-11-25 00:03:23,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:03:23,591 INFO L225 Difference]: With dead ends: 293 [2023-11-25 00:03:23,592 INFO L226 Difference]: Without dead ends: 146 [2023-11-25 00:03:23,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:03:23,607 INFO L413 NwaCegarLoop]: 216 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, 216 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 [2023-11-25 00:03:23,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:03:23,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-25 00:03:23,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2023-11-25 00:03:23,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 119 states have (on average 1.4285714285714286) internal successors, (170), 119 states have internal predecessors, (170), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-25 00:03:23,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 220 transitions. [2023-11-25 00:03:23,697 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 220 transitions. Word has length 179 [2023-11-25 00:03:23,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:03:23,698 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 220 transitions. [2023-11-25 00:03:23,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-25 00:03:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 220 transitions. [2023-11-25 00:03:23,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-25 00:03:23,705 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:23,706 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:03:23,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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 [2023-11-25 00:03:23,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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 [2023-11-25 00:03:23,915 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:23,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:23,916 INFO L85 PathProgramCache]: Analyzing trace with hash 733936946, now seen corresponding path program 1 times [2023-11-25 00:03:23,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:03:23,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942159491] [2023-11-25 00:03:23,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:23,920 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 [2023-11-25 00:03:23,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:03:23,921 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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) [2023-11-25 00:03:23,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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 [2023-11-25 00:03:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:24,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:03:24,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-11-25 00:03:24,555 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:03:24,555 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:03:24,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942159491] [2023-11-25 00:03:24,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1942159491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:24,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:03:24,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:03:24,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948333871] [2023-11-25 00:03:24,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:24,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:03:24,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:03:24,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:03:24,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:03:24,566 INFO L87 Difference]: Start difference. First operand 146 states and 220 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-25 00:03:24,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:03:24,693 INFO L93 Difference]: Finished difference Result 297 states and 448 transitions. [2023-11-25 00:03:24,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-25 00:03:24,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 179 [2023-11-25 00:03:24,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:03:24,697 INFO L225 Difference]: With dead ends: 297 [2023-11-25 00:03:24,697 INFO L226 Difference]: Without dead ends: 152 [2023-11-25 00:03:24,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:03:24,700 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 10 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:03:24,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 640 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:03:24,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2023-11-25 00:03:24,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 148. [2023-11-25 00:03:24,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 121 states have (on average 1.421487603305785) internal successors, (172), 121 states have internal predecessors, (172), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-25 00:03:24,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 222 transitions. [2023-11-25 00:03:24,727 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 222 transitions. Word has length 179 [2023-11-25 00:03:24,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:03:24,728 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 222 transitions. [2023-11-25 00:03:24,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-25 00:03:24,729 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 222 transitions. [2023-11-25 00:03:24,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-25 00:03:24,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:24,735 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:03:24,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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 [2023-11-25 00:03:24,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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 [2023-11-25 00:03:24,947 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:24,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:24,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1839027664, now seen corresponding path program 1 times [2023-11-25 00:03:24,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:03:24,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756369780] [2023-11-25 00:03:24,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:24,949 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 [2023-11-25 00:03:24,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:03:24,951 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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) [2023-11-25 00:03:24,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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 [2023-11-25 00:03:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:25,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:03:25,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-25 00:03:25,630 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:03:25,631 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:03:25,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756369780] [2023-11-25 00:03:25,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756369780] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:25,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:03:25,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:03:25,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390693698] [2023-11-25 00:03:25,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:25,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:03:25,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:03:25,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:03:25,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:03:25,645 INFO L87 Difference]: Start difference. First operand 148 states and 222 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-25 00:03:25,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:03:25,826 INFO L93 Difference]: Finished difference Result 304 states and 455 transitions. [2023-11-25 00:03:25,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:03:25,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 179 [2023-11-25 00:03:25,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:03:25,831 INFO L225 Difference]: With dead ends: 304 [2023-11-25 00:03:25,831 INFO L226 Difference]: Without dead ends: 157 [2023-11-25 00:03:25,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:03:25,834 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 10 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:03:25,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 840 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:03:25,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-25 00:03:25,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 152. [2023-11-25 00:03:25,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 125 states have (on average 1.408) internal successors, (176), 125 states have internal predecessors, (176), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-25 00:03:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 226 transitions. [2023-11-25 00:03:25,853 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 226 transitions. Word has length 179 [2023-11-25 00:03:25,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:03:25,855 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 226 transitions. [2023-11-25 00:03:25,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-25 00:03:25,856 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 226 transitions. [2023-11-25 00:03:25,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-25 00:03:25,859 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:25,860 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:03:25,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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)] Forceful destruction successful, exit code 0 [2023-11-25 00:03:26,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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 [2023-11-25 00:03:26,070 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:26,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:26,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1838968082, now seen corresponding path program 1 times [2023-11-25 00:03:26,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:03:26,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1763769014] [2023-11-25 00:03:26,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:26,073 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 [2023-11-25 00:03:26,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:03:26,074 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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) [2023-11-25 00:03:26,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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 (5)] Waiting until timeout for monitored process [2023-11-25 00:03:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:26,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:03:26,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:26,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-25 00:03:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-11-25 00:03:26,952 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:03:26,952 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:03:26,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1763769014] [2023-11-25 00:03:26,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1763769014] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:26,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:03:26,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:03:26,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317623522] [2023-11-25 00:03:26,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:26,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:03:26,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:03:26,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:03:26,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:03:26,955 INFO L87 Difference]: Start difference. First operand 152 states and 226 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-25 00:03:29,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:03:29,691 INFO L93 Difference]: Finished difference Result 307 states and 457 transitions. [2023-11-25 00:03:29,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:03:29,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 179 [2023-11-25 00:03:29,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:03:29,694 INFO L225 Difference]: With dead ends: 307 [2023-11-25 00:03:29,694 INFO L226 Difference]: Without dead ends: 156 [2023-11-25 00:03:29,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-25 00:03:29,696 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 210 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:03:29,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 643 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-25 00:03:29,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-25 00:03:29,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 150. [2023-11-25 00:03:29,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 123 states have (on average 1.4065040650406504) internal successors, (173), 123 states have internal predecessors, (173), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-25 00:03:29,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 223 transitions. [2023-11-25 00:03:29,710 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 223 transitions. Word has length 179 [2023-11-25 00:03:29,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:03:29,710 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 223 transitions. [2023-11-25 00:03:29,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-25 00:03:29,711 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 223 transitions. [2023-11-25 00:03:29,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-25 00:03:29,713 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:29,714 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:03:29,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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 (5)] Ended with exit code 0 [2023-11-25 00:03:29,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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 [2023-11-25 00:03:29,922 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:29,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:29,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1333681526, now seen corresponding path program 1 times [2023-11-25 00:03:29,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:03:29,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593920536] [2023-11-25 00:03:29,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:29,924 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 [2023-11-25 00:03:29,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:03:29,925 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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) [2023-11-25 00:03:29,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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 (6)] Waiting until timeout for monitored process [2023-11-25 00:03:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:30,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-25 00:03:30,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:30,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2023-11-25 00:03:30,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 616 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-25 00:03:30,973 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:03:31,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2023-11-25 00:03:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-25 00:03:31,483 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:03:31,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593920536] [2023-11-25 00:03:31,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593920536] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:03:31,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [699347918] [2023-11-25 00:03:31,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:31,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:03:31,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:03:31,488 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:03:31,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-25 00:03:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:32,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-25 00:03:32,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:33,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 51 [2023-11-25 00:03:33,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 616 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-25 00:03:33,461 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:03:34,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 34 [2023-11-25 00:03:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-25 00:03:34,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [699347918] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:03:34,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762448858] [2023-11-25 00:03:34,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:34,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:03:34,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:03:34,045 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:03:34,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-25 00:03:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:34,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-25 00:03:34,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:34,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-25 00:03:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-25 00:03:34,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:03:34,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762448858] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:34,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-11-25 00:03:34,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 8, 10, 9] total 19 [2023-11-25 00:03:34,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774409221] [2023-11-25 00:03:34,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:34,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:03:34,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:03:34,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:03:34,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2023-11-25 00:03:34,684 INFO L87 Difference]: Start difference. First operand 150 states and 223 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-25 00:03:38,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:03:38,312 INFO L93 Difference]: Finished difference Result 406 states and 606 transitions. [2023-11-25 00:03:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-25 00:03:38,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 181 [2023-11-25 00:03:38,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:03:38,319 INFO L225 Difference]: With dead ends: 406 [2023-11-25 00:03:38,323 INFO L226 Difference]: Without dead ends: 257 [2023-11-25 00:03:38,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 902 GetRequests, 883 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2023-11-25 00:03:38,349 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 209 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-25 00:03:38,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 633 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-25 00:03:38,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2023-11-25 00:03:38,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 170. [2023-11-25 00:03:38,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 143 states have (on average 1.4265734265734267) internal successors, (204), 143 states have internal predecessors, (204), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-25 00:03:38,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 254 transitions. [2023-11-25 00:03:38,379 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 254 transitions. Word has length 181 [2023-11-25 00:03:38,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:03:38,380 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 254 transitions. [2023-11-25 00:03:38,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-25 00:03:38,381 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 254 transitions. [2023-11-25 00:03:38,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-25 00:03:38,384 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:38,385 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:03:38,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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 (6)] Forceful destruction successful, exit code 0 [2023-11-25 00:03:38,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-25 00:03:38,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-25 00:03:38,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-25 00:03:38,996 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:38,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:38,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1950168520, now seen corresponding path program 1 times [2023-11-25 00:03:38,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:03:38,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829636358] [2023-11-25 00:03:38,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:38,997 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 [2023-11-25 00:03:38,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:03:38,999 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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) [2023-11-25 00:03:39,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d894049c-e13d-400d-9f01-08d0ace8faba/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 (9)] Waiting until timeout for monitored process [2023-11-25 00:03:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:39,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-25 00:03:39,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:39,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2023-11-25 00:03:39,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 616 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-25 00:03:39,953 INFO L327 TraceCheckSpWp]: Computing backward predicates...