./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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_ca03c61f-d25b-4fab-8a57-5f5415d03406/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 9f2b0f6d9423f5a6deebebe280416f53043b6503d16a3708a82805a986909614 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:51:58,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:51:58,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:51:58,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:51:58,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:51:58,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:51:58,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:51:58,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:51:58,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:51:58,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:51:58,758 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:51:58,759 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:51:58,759 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:51:58,760 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:51:58,760 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:51:58,761 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:51:58,761 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:51:58,762 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:51:58,762 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:51:58,763 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:51:58,763 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:51:58,765 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:51:58,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:51:58,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:51:58,766 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:51:58,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:51:58,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:51:58,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:51:58,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:51:58,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:51:58,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:51:58,770 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:51:58,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:51:58,770 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:51:58,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:51:58,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:51:58,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:51:58,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:51:58,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:51:58,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:51:58,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:51:58,780 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:51:58,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:51:58,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:51:58,781 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:51:58,781 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:51:58,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:51:58,782 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_ca03c61f-d25b-4fab-8a57-5f5415d03406/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f2b0f6d9423f5a6deebebe280416f53043b6503d16a3708a82805a986909614 [2023-11-24 23:51:59,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:51:59,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:51:59,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:51:59,110 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:51:59,110 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:51:59,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i [2023-11-24 23:52:02,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:52:02,518 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:52:02,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i [2023-11-24 23:52:02,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/data/ddc6e5da4/a581a1d9a2c24a0d83f4c3b0a50b19fe/FLAG440d2fe60 [2023-11-24 23:52:02,550 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/data/ddc6e5da4/a581a1d9a2c24a0d83f4c3b0a50b19fe [2023-11-24 23:52:02,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:52:02,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:52:02,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:52:02,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:52:02,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:52:02,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:52:02" (1/1) ... [2023-11-24 23:52:02,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75872068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:02, skipping insertion in model container [2023-11-24 23:52:02,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:52:02" (1/1) ... [2023-11-24 23:52:02,596 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:52:02,784 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_ca03c61f-d25b-4fab-8a57-5f5415d03406/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i[916,929] [2023-11-24 23:52:02,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:52:02,858 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:52:02,870 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_ca03c61f-d25b-4fab-8a57-5f5415d03406/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i[916,929] [2023-11-24 23:52:02,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:52:02,949 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:52:02,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:02 WrapperNode [2023-11-24 23:52:02,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:52:02,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:52:02,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:52:02,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:52:02,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:02" (1/1) ... [2023-11-24 23:52:02,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:02" (1/1) ... [2023-11-24 23:52:03,030 INFO L138 Inliner]: procedures = 29, calls = 161, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 433 [2023-11-24 23:52:03,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:52:03,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:52:03,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:52:03,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:52:03,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:02" (1/1) ... [2023-11-24 23:52:03,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:02" (1/1) ... [2023-11-24 23:52:03,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:02" (1/1) ... [2023-11-24 23:52:03,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:02" (1/1) ... [2023-11-24 23:52:03,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:02" (1/1) ... [2023-11-24 23:52:03,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:02" (1/1) ... [2023-11-24 23:52:03,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:02" (1/1) ... [2023-11-24 23:52:03,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:02" (1/1) ... [2023-11-24 23:52:03,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:52:03,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:52:03,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:52:03,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:52:03,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:02" (1/1) ... [2023-11-24 23:52:03,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:52:03,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:52:03,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:52:03,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:52:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:52:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:52:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:52:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:52:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:52:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:52:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:52:03,238 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:52:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:52:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:52:03,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:52:03,397 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:52:03,400 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:52:03,970 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:52:04,664 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:52:04,665 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:52:04,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:52:04 BoogieIcfgContainer [2023-11-24 23:52:04,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:52:04,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:52:04,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:52:04,677 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:52:04,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:52:02" (1/3) ... [2023-11-24 23:52:04,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb22dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:52:04, skipping insertion in model container [2023-11-24 23:52:04,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:02" (2/3) ... [2023-11-24 23:52:04,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb22dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:52:04, skipping insertion in model container [2023-11-24 23:52:04,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:52:04" (3/3) ... [2023-11-24 23:52:04,685 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-73.i [2023-11-24 23:52:04,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:52:04,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:52:04,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:52:04,755 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;@2b79ff5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:52:04,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:52:04,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:52:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:52:04,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:04,767 INFO L195 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:04,768 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:04,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:04,773 INFO L85 PathProgramCache]: Analyzing trace with hash 330332006, now seen corresponding path program 1 times [2023-11-24 23:52:04,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:52:04,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329966196] [2023-11-24 23:52:04,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:04,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:52:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:52:06,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:52:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:52:07,657 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:52:07,659 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:52:07,661 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:52:07,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:52:07,668 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:52:07,678 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:52:07,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-24 23:52:07,727 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-24 23:52:07,728 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-24 23:52:07,729 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-24 23:52:07,730 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-24 23:52:07,730 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-24 23:52:07,730 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:52:07,730 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-24 23:52:07,731 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-24 23:52:07,731 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:52:07,731 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-24 23:52:07,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:52:07,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-24 23:52:07,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-24 23:52:07,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-24 23:52:07,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:52:07,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-24 23:52:07,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-24 23:52:07,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:52:07,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:52:07,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-24 23:52:07,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-24 23:52:07,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-24 23:52:07,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-24 23:52:07,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:52:07,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:52:07,738 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-24 23:52:07,738 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:52:07,738 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-24 23:52:07,738 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-24 23:52:07,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:52:07,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:52:07,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-24 23:52:07,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:52:07,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:52:07,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:52:07,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-24 23:52:07,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-24 23:52:07,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-24 23:52:07,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-24 23:52:07,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:52:07,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:52:07,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-24 23:52:07,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-24 23:52:07,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-24 23:52:07,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-24 23:52:07,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-24 23:52:07,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-24 23:52:07,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:52:07,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-24 23:52:07,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-24 23:52:07,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-24 23:52:07,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-24 23:52:07,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-24 23:52:07,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-24 23:52:07,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-24 23:52:07,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-24 23:52:07,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:52:07,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-24 23:52:07,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-24 23:52:07,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-24 23:52:07,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-24 23:52:07,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-24 23:52:07,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-24 23:52:07,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-24 23:52:07,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-24 23:52:07,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:52:07 BoogieIcfgContainer [2023-11-24 23:52:07,793 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:52:07,796 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:52:07,797 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:52:07,797 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:52:07,798 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:52:04" (3/4) ... [2023-11-24 23:52:07,802 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:52:07,803 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:52:07,805 INFO L158 Benchmark]: Toolchain (without parser) took 5250.20ms. Allocated memory was 184.5MB in the beginning and 302.0MB in the end (delta: 117.4MB). Free memory was 135.4MB in the beginning and 152.6MB in the end (delta: -17.2MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. [2023-11-24 23:52:07,807 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 184.5MB. Free memory was 154.2MB in the beginning and 154.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:52:07,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.04ms. Allocated memory is still 184.5MB. Free memory was 134.7MB in the beginning and 118.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:52:07,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.46ms. Allocated memory is still 184.5MB. Free memory was 118.6MB in the beginning and 114.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:52:07,815 INFO L158 Benchmark]: Boogie Preprocessor took 63.17ms. Allocated memory is still 184.5MB. Free memory was 114.4MB in the beginning and 110.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:52:07,815 INFO L158 Benchmark]: RCFGBuilder took 1566.17ms. Allocated memory was 184.5MB in the beginning and 241.2MB in the end (delta: 56.6MB). Free memory was 110.9MB in the beginning and 128.8MB in the end (delta: -17.9MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2023-11-24 23:52:07,817 INFO L158 Benchmark]: TraceAbstraction took 3119.68ms. Allocated memory was 241.2MB in the beginning and 302.0MB in the end (delta: 60.8MB). Free memory was 127.7MB in the beginning and 152.6MB in the end (delta: -24.8MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2023-11-24 23:52:07,817 INFO L158 Benchmark]: Witness Printer took 6.99ms. Allocated memory is still 302.0MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:52:07,826 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 184.5MB. Free memory was 154.2MB in the beginning and 154.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.04ms. Allocated memory is still 184.5MB. Free memory was 134.7MB in the beginning and 118.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.46ms. Allocated memory is still 184.5MB. Free memory was 118.6MB in the beginning and 114.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.17ms. Allocated memory is still 184.5MB. Free memory was 114.4MB in the beginning and 110.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1566.17ms. Allocated memory was 184.5MB in the beginning and 241.2MB in the end (delta: 56.6MB). Free memory was 110.9MB in the beginning and 128.8MB in the end (delta: -17.9MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3119.68ms. Allocated memory was 241.2MB in the beginning and 302.0MB in the end (delta: 60.8MB). Free memory was 127.7MB in the beginning and 152.6MB in the end (delta: -24.8MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. * Witness Printer took 6.99ms. Allocated memory is still 302.0MB. Free memory is still 152.6MB. 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~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 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 120, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 69. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 5.5, 1, -0.41, 25, 100, 1, 15.75, 1.6, 0, 0, 16.5, 10, -10, -16 }; [L55] float last_1_WrapperStruct00_var_1_12 = 15.75; [L124] isInitial = 1 [L125] FCALL initially() [L126] COND TRUE 1 [L127] CALL updateLastVariables() [L117] EXPR WrapperStruct00.var_1_12 [L117] last_1_WrapperStruct00_var_1_12 = WrapperStruct00.var_1_12 [L127] RET updateLastVariables() [L128] CALL updateVariables() [L91] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L93] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L94] WrapperStruct00.var_1_7 = __VERIFIER_nondet_double() [L95] EXPR WrapperStruct00.var_1_7 [L95] EXPR WrapperStruct00.var_1_7 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F [L95] EXPR WrapperStruct00.var_1_7 [L95] EXPR WrapperStruct00.var_1_7 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F [L95] EXPR (WrapperStruct00.var_1_7 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L95] CALL assume_abort_if_not((WrapperStruct00.var_1_7 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((WrapperStruct00.var_1_7 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L96] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L97] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L98] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L99] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L100] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L101] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L102] WrapperStruct00.var_1_13 = __VERIFIER_nondet_float() [L103] EXPR WrapperStruct00.var_1_13 [L103] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L103] EXPR WrapperStruct00.var_1_13 [L103] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L103] EXPR (WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L103] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L104] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L105] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L106] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L107] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L108] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L109] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L110] WrapperStruct00.var_1_16 = __VERIFIER_nondet_float() [L111] EXPR WrapperStruct00.var_1_16 [L111] EXPR WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F [L111] EXPR WrapperStruct00.var_1_16 [L111] EXPR WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F [L111] EXPR (WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L111] CALL assume_abort_if_not((WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L112] WrapperStruct00.var_1_18 = __VERIFIER_nondet_char() [L113] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_18 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(WrapperStruct00.var_1_18 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L114] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_18 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(WrapperStruct00.var_1_18 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L128] RET updateVariables() [L129] CALL step() [L59] WrapperStruct00.var_1_6 [L59] COND TRUE WrapperStruct00.var_1_6 [L60] EXPR WrapperStruct00.var_1_9 [L60] EXPR WrapperStruct00.var_1_10 [L60] EXPR ((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10) [L60] EXPR WrapperStruct00.var_1_9 [L60] EXPR ((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10) [L60] WrapperStruct00.var_1_8 = ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))) [L66] EXPR WrapperStruct00.var_1_8 [L66] WrapperStruct00.var_1_19 = WrapperStruct00.var_1_8 [L67] EXPR WrapperStruct00.var_1_19 [L67] EXPR WrapperStruct00.var_1_9 [L67] COND FALSE !(WrapperStruct00.var_1_19 > WrapperStruct00.var_1_9) [L78] EXPR WrapperStruct00.var_1_13 [L78] WrapperStruct00.var_1_12 = WrapperStruct00.var_1_13 [L80] EXPR WrapperStruct00.var_1_8 [L80] EXPR WrapperStruct00.var_1_8 [L80] EXPR WrapperStruct00.var_1_19 [L80] EXPR ((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19)) [L80] EXPR WrapperStruct00.var_1_8 [L80] EXPR WrapperStruct00.var_1_19 [L80] EXPR ((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19)) [L80] signed long int stepLocal_0 = (((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))); [L81] EXPR WrapperStruct00.var_1_8 [L81] COND TRUE WrapperStruct00.var_1_8 <= stepLocal_0 [L82] EXPR WrapperStruct00.var_1_6 [L82] COND FALSE !(! WrapperStruct00.var_1_6) [L85] EXPR WrapperStruct00.var_1_7 [L85] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_7 [L88] EXPR WrapperStruct00.var_1_18 [L88] WrapperStruct00.var_1_17 = WrapperStruct00.var_1_18 [L129] RET step() [L130] CALL, EXPR property() [L120] EXPR WrapperStruct00.var_1_8 [L120] EXPR WrapperStruct00.var_1_8 [L120] EXPR WrapperStruct00.var_1_8 [L120] EXPR WrapperStruct00.var_1_19 [L120] EXPR ((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19)) [L120] EXPR WrapperStruct00.var_1_8 [L120] EXPR WrapperStruct00.var_1_19 [L120] EXPR ((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19)) [L120] EXPR (WrapperStruct00.var_1_8 <= ((((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))))) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7))) : 1 [L120] EXPR WrapperStruct00.var_1_6 [L120] EXPR (! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) [L120] EXPR WrapperStruct00.var_1_1 [L120] EXPR WrapperStruct00.var_1_7 [L120] EXPR (! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) [L120] EXPR (WrapperStruct00.var_1_8 <= ((((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))))) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7))) : 1 [L120] EXPR ((WrapperStruct00.var_1_8 <= ((((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))))) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7))) : 1) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : ((last_1_WrapperStruct00_var_1_12 < (last_1_WrapperStruct00_var_1_12 + WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1)) [L120] EXPR (((WrapperStruct00.var_1_8 <= ((((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))))) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7))) : 1) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : ((last_1_WrapperStruct00_var_1_12 < (last_1_WrapperStruct00_var_1_12 + WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))))) : ((WrapperStruct00.var_1_14 && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_13))) [L120] EXPR ((((WrapperStruct00.var_1_8 <= ((((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))))) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7))) : 1) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : ((last_1_WrapperStruct00_var_1_12 < (last_1_WrapperStruct00_var_1_12 + WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))))) : ((WrapperStruct00.var_1_14 && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_13)))) && (WrapperStruct00.var_1_17 == ((signed char) WrapperStruct00.var_1_18)) [L120] EXPR (((((WrapperStruct00.var_1_8 <= ((((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))))) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7))) : 1) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : ((last_1_WrapperStruct00_var_1_12 < (last_1_WrapperStruct00_var_1_12 + WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))))) : ((WrapperStruct00.var_1_14 && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_13)))) && (WrapperStruct00.var_1_17 == ((signed char) WrapperStruct00.var_1_18))) && (WrapperStruct00.var_1_19 == ((signed long int) WrapperStruct00.var_1_8)) [L120-L121] return (((((WrapperStruct00.var_1_8 <= ((((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))))) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7))) : 1) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : ((last_1_WrapperStruct00_var_1_12 < (last_1_WrapperStruct00_var_1_12 + WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))))) : ((WrapperStruct00.var_1_14 && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_13)))) && (WrapperStruct00.var_1_17 == ((signed char) WrapperStruct00.var_1_18))) && (WrapperStruct00.var_1_19 == ((signed long int) WrapperStruct00.var_1_8)) ; [L130] RET, EXPR property() [L130] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 1, TraceHistogramMax: 15, 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=39occurred 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, 1.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:52:07,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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_ca03c61f-d25b-4fab-8a57-5f5415d03406/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 9f2b0f6d9423f5a6deebebe280416f53043b6503d16a3708a82805a986909614 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:52:10,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:52:10,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:52:10,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:52:10,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:52:10,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:52:10,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:52:10,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:52:10,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:52:10,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:52:10,794 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:52:10,795 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:52:10,795 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:52:10,796 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:52:10,797 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:52:10,797 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:52:10,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:52:10,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:52:10,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:52:10,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:52:10,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:52:10,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:52:10,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:52:10,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:52:10,817 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:52:10,818 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:52:10,818 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:52:10,819 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:52:10,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:52:10,820 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:52:10,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:52:10,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:52:10,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:52:10,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:52:10,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:52:10,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:52:10,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:52:10,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:52:10,824 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:52:10,825 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:52:10,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:52:10,826 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:52:10,826 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:52:10,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:52:10,827 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_ca03c61f-d25b-4fab-8a57-5f5415d03406/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f2b0f6d9423f5a6deebebe280416f53043b6503d16a3708a82805a986909614 [2023-11-24 23:52:11,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:52:11,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:52:11,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:52:11,320 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:52:11,320 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:52:11,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i [2023-11-24 23:52:14,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:52:14,753 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:52:14,753 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i [2023-11-24 23:52:14,763 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/data/a52092bb3/29c34e07b2314062ad452955d42c3811/FLAG5935e890b [2023-11-24 23:52:14,775 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/data/a52092bb3/29c34e07b2314062ad452955d42c3811 [2023-11-24 23:52:14,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:52:14,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:52:14,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:52:14,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:52:14,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:52:14,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:52:14" (1/1) ... [2023-11-24 23:52:14,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e90271a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:14, skipping insertion in model container [2023-11-24 23:52:14,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:52:14" (1/1) ... [2023-11-24 23:52:14,823 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:52:15,004 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_ca03c61f-d25b-4fab-8a57-5f5415d03406/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i[916,929] [2023-11-24 23:52:15,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:52:15,133 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:52:15,149 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_ca03c61f-d25b-4fab-8a57-5f5415d03406/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i[916,929] [2023-11-24 23:52:15,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:52:15,277 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:52:15,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:15 WrapperNode [2023-11-24 23:52:15,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:52:15,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:52:15,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:52:15,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:52:15,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:15" (1/1) ... [2023-11-24 23:52:15,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:15" (1/1) ... [2023-11-24 23:52:15,379 INFO L138 Inliner]: procedures = 36, calls = 161, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 432 [2023-11-24 23:52:15,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:52:15,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:52:15,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:52:15,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:52:15,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:15" (1/1) ... [2023-11-24 23:52:15,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:15" (1/1) ... [2023-11-24 23:52:15,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:15" (1/1) ... [2023-11-24 23:52:15,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:15" (1/1) ... [2023-11-24 23:52:15,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:15" (1/1) ... [2023-11-24 23:52:15,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:15" (1/1) ... [2023-11-24 23:52:15,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:15" (1/1) ... [2023-11-24 23:52:15,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:15" (1/1) ... [2023-11-24 23:52:15,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:52:15,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:52:15,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:52:15,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:52:15,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:15" (1/1) ... [2023-11-24 23:52:15,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:52:15,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:52:15,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:52:15,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:52:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:52:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:52:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:52:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:52:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:52:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:52:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:52:15,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 23:52:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:52:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:52:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-24 23:52:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:52:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:52:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:52:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:52:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:52:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:52:15,719 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:52:15,721 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:52:19,094 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:52:19,187 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:52:19,189 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:52:19,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:52:19 BoogieIcfgContainer [2023-11-24 23:52:19,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:52:19,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:52:19,196 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:52:19,199 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:52:19,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:52:14" (1/3) ... [2023-11-24 23:52:19,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487324c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:52:19, skipping insertion in model container [2023-11-24 23:52:19,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:15" (2/3) ... [2023-11-24 23:52:19,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487324c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:52:19, skipping insertion in model container [2023-11-24 23:52:19,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:52:19" (3/3) ... [2023-11-24 23:52:19,205 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-73.i [2023-11-24 23:52:19,226 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:52:19,227 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:52:19,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:52:19,300 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;@402951d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:52:19,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:52:19,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 84 states have (on average 1.4761904761904763) internal successors, (124), 85 states have internal predecessors, (124), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:52:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-24 23:52:19,329 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:19,330 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:19,330 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:19,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:19,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1173027293, now seen corresponding path program 1 times [2023-11-24 23:52:19,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:19,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309303946] [2023-11-24 23:52:19,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:19,358 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:19,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:19,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:52:19,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 23:52:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:19,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:52:19,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2023-11-24 23:52:19,825 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:19,825 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:19,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309303946] [2023-11-24 23:52:19,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1309303946] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:19,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:19,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:52:19,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582622125] [2023-11-24 23:52:19,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:19,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:52:19,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:19,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:52:19,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:52:19,868 INFO L87 Difference]: Start difference. First operand has 102 states, 84 states have (on average 1.4761904761904763) internal successors, (124), 85 states have internal predecessors, (124), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:52:19,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:19,979 INFO L93 Difference]: Finished difference Result 201 states and 321 transitions. [2023-11-24 23:52:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:52:20,001 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 123 [2023-11-24 23:52:20,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:20,009 INFO L225 Difference]: With dead ends: 201 [2023-11-24 23:52:20,010 INFO L226 Difference]: Without dead ends: 100 [2023-11-24 23:52:20,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:52:20,017 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:20,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:52:20,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-24 23:52:20,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-11-24 23:52:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 83 states have (on average 1.4337349397590362) internal successors, (119), 83 states have internal predecessors, (119), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:52:20,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 149 transitions. [2023-11-24 23:52:20,069 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 149 transitions. Word has length 123 [2023-11-24 23:52:20,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:20,070 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 149 transitions. [2023-11-24 23:52:20,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:52:20,070 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 149 transitions. [2023-11-24 23:52:20,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-24 23:52:20,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:20,074 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:20,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:52:20,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:20,284 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:20,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:20,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1520614689, now seen corresponding path program 1 times [2023-11-24 23:52:20,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:20,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091266925] [2023-11-24 23:52:20,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:20,287 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:20,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:20,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:52:20,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-24 23:52:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:20,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:52:20,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:20,841 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-11-24 23:52:20,841 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:20,841 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:20,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091266925] [2023-11-24 23:52:20,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091266925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:20,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:20,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:52:20,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444035095] [2023-11-24 23:52:20,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:20,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:52:20,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:20,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:52:20,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:52:20,847 INFO L87 Difference]: Start difference. First operand 100 states and 149 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:52:21,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:21,010 INFO L93 Difference]: Finished difference Result 205 states and 306 transitions. [2023-11-24 23:52:21,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:52:21,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 123 [2023-11-24 23:52:21,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:21,013 INFO L225 Difference]: With dead ends: 205 [2023-11-24 23:52:21,013 INFO L226 Difference]: Without dead ends: 106 [2023-11-24 23:52:21,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:52:21,016 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 10 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:21,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 421 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:52:21,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-24 23:52:21,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2023-11-24 23:52:21,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 85 states have (on average 1.423529411764706) internal successors, (121), 85 states have internal predecessors, (121), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:52:21,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 151 transitions. [2023-11-24 23:52:21,049 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 151 transitions. Word has length 123 [2023-11-24 23:52:21,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:21,052 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 151 transitions. [2023-11-24 23:52:21,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:52:21,053 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 151 transitions. [2023-11-24 23:52:21,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-24 23:52:21,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:21,062 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:21,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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)] Ended with exit code 0 [2023-11-24 23:52:21,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:21,271 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:21,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:21,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1735768033, now seen corresponding path program 1 times [2023-11-24 23:52:21,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:21,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879761457] [2023-11-24 23:52:21,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:21,285 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:21,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:21,287 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:52:21,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-24 23:52:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:21,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:52:21,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-24 23:52:21,761 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:21,761 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:21,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879761457] [2023-11-24 23:52:21,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879761457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:21,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:21,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:52:21,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234803104] [2023-11-24 23:52:21,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:21,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:52:21,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:21,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:52:21,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:52:21,764 INFO L87 Difference]: Start difference. First operand 102 states and 151 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:52:21,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:21,869 INFO L93 Difference]: Finished difference Result 227 states and 337 transitions. [2023-11-24 23:52:21,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:52:21,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 123 [2023-11-24 23:52:21,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:21,875 INFO L225 Difference]: With dead ends: 227 [2023-11-24 23:52:21,875 INFO L226 Difference]: Without dead ends: 126 [2023-11-24 23:52:21,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:52:21,883 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 57 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:21,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 450 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:52:21,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-24 23:52:21,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 104. [2023-11-24 23:52:21,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 87 states have (on average 1.4137931034482758) internal successors, (123), 87 states have internal predecessors, (123), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:52:21,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 153 transitions. [2023-11-24 23:52:21,898 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 153 transitions. Word has length 123 [2023-11-24 23:52:21,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:21,899 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 153 transitions. [2023-11-24 23:52:21,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:52:21,900 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2023-11-24 23:52:21,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-24 23:52:21,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:21,902 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:21,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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 [2023-11-24 23:52:22,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:22,109 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:22,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:22,109 INFO L85 PathProgramCache]: Analyzing trace with hash 319707748, now seen corresponding path program 1 times [2023-11-24 23:52:22,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:22,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174076266] [2023-11-24 23:52:22,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:22,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:22,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:22,112 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:52:22,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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 [2023-11-24 23:52:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:22,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:52:22,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:22,598 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-24 23:52:22,606 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:22,606 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:22,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174076266] [2023-11-24 23:52:22,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174076266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:22,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:22,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:52:22,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689813341] [2023-11-24 23:52:22,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:22,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:52:22,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:22,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:52:22,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:52:22,612 INFO L87 Difference]: Start difference. First operand 104 states and 153 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:52:22,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:22,752 INFO L93 Difference]: Finished difference Result 222 states and 326 transitions. [2023-11-24 23:52:22,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:52:22,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 125 [2023-11-24 23:52:22,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:22,755 INFO L225 Difference]: With dead ends: 222 [2023-11-24 23:52:22,755 INFO L226 Difference]: Without dead ends: 119 [2023-11-24 23:52:22,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:52:22,757 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 28 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:22,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 554 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:52:22,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-24 23:52:22,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 108. [2023-11-24 23:52:22,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 91 states have internal predecessors, (127), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:52:22,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2023-11-24 23:52:22,771 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 125 [2023-11-24 23:52:22,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:22,772 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2023-11-24 23:52:22,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:52:22,772 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2023-11-24 23:52:22,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-24 23:52:22,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:22,775 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:22,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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)] Forceful destruction successful, exit code 0 [2023-11-24 23:52:22,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:22,985 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:22,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:22,986 INFO L85 PathProgramCache]: Analyzing trace with hash 376966050, now seen corresponding path program 1 times [2023-11-24 23:52:22,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:22,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69253011] [2023-11-24 23:52:22,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:22,987 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:22,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:22,988 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:52:22,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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 [2023-11-24 23:52:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:23,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:52:23,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:23,704 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 [2023-11-24 23:52:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-24 23:52:23,753 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:23,753 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:23,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69253011] [2023-11-24 23:52:23,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69253011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:23,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:23,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:52:23,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253690491] [2023-11-24 23:52:23,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:23,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:52:23,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:23,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:52:23,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:52:23,758 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:52:26,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:26,341 INFO L93 Difference]: Finished difference Result 221 states and 322 transitions. [2023-11-24 23:52:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:52:26,343 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 125 [2023-11-24 23:52:26,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:26,344 INFO L225 Difference]: With dead ends: 221 [2023-11-24 23:52:26,344 INFO L226 Difference]: Without dead ends: 114 [2023-11-24 23:52:26,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:52:26,346 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 131 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:26,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 403 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-24 23:52:26,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-24 23:52:26,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 108. [2023-11-24 23:52:26,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 91 states have (on average 1.3846153846153846) internal successors, (126), 91 states have internal predecessors, (126), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:52:26,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 156 transitions. [2023-11-24 23:52:26,358 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 156 transitions. Word has length 125 [2023-11-24 23:52:26,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:26,359 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 156 transitions. [2023-11-24 23:52:26,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:52:26,360 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 156 transitions. [2023-11-24 23:52:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-24 23:52:26,361 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:26,362 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:26,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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 [2023-11-24 23:52:26,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:26,569 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:26,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:26,569 INFO L85 PathProgramCache]: Analyzing trace with hash 2066107100, now seen corresponding path program 1 times [2023-11-24 23:52:26,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:26,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192837705] [2023-11-24 23:52:26,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:26,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:26,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:26,571 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:52:26,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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 (7)] Waiting until timeout for monitored process [2023-11-24 23:52:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:26,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:52:26,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:27,259 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 [2023-11-24 23:52:27,292 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-24 23:52:27,292 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:27,292 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:27,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192837705] [2023-11-24 23:52:27,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192837705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:27,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:27,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:52:27,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044065056] [2023-11-24 23:52:27,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:27,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:52:27,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:27,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:52:27,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:52:27,295 INFO L87 Difference]: Start difference. First operand 108 states and 156 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:52:30,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:30,066 INFO L93 Difference]: Finished difference Result 221 states and 320 transitions. [2023-11-24 23:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:52:30,067 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 127 [2023-11-24 23:52:30,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:30,069 INFO L225 Difference]: With dead ends: 221 [2023-11-24 23:52:30,069 INFO L226 Difference]: Without dead ends: 114 [2023-11-24 23:52:30,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:52:30,071 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 111 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:30,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 398 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-24 23:52:30,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-24 23:52:30,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 108. [2023-11-24 23:52:30,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 91 states have (on average 1.3736263736263736) internal successors, (125), 91 states have internal predecessors, (125), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:52:30,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2023-11-24 23:52:30,093 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 127 [2023-11-24 23:52:30,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:30,096 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2023-11-24 23:52:30,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:52:30,097 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2023-11-24 23:52:30,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-24 23:52:30,100 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:30,101 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:30,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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 (7)] Forceful destruction successful, exit code 0 [2023-11-24 23:52:30,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:30,308 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:30,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:30,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1166190562, now seen corresponding path program 1 times [2023-11-24 23:52:30,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:30,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758614225] [2023-11-24 23:52:30,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:30,310 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:30,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:30,311 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:52:30,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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)] Waiting until timeout for monitored process [2023-11-24 23:52:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:30,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:52:30,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:30,774 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 22 treesize of output 10 [2023-11-24 23:52:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-24 23:52:30,812 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:30,812 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:30,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [758614225] [2023-11-24 23:52:30,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [758614225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:30,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:30,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:52:30,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664879323] [2023-11-24 23:52:30,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:30,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:52:30,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:30,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:52:30,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:52:30,815 INFO L87 Difference]: Start difference. First operand 108 states and 155 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:52:32,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:32,671 INFO L93 Difference]: Finished difference Result 217 states and 312 transitions. [2023-11-24 23:52:32,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:52:32,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 129 [2023-11-24 23:52:32,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:32,678 INFO L225 Difference]: With dead ends: 217 [2023-11-24 23:52:32,678 INFO L226 Difference]: Without dead ends: 110 [2023-11-24 23:52:32,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:52:32,680 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:32,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 351 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-24 23:52:32,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-24 23:52:32,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2023-11-24 23:52:32,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 93 states have (on average 1.3655913978494623) internal successors, (127), 93 states have internal predecessors, (127), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:52:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 157 transitions. [2023-11-24 23:52:32,702 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 157 transitions. Word has length 129 [2023-11-24 23:52:32,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:32,703 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 157 transitions. [2023-11-24 23:52:32,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:52:32,703 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 157 transitions. [2023-11-24 23:52:32,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-24 23:52:32,705 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:32,706 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:32,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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)] Forceful destruction successful, exit code 0 [2023-11-24 23:52:32,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:32,906 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:32,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:32,907 INFO L85 PathProgramCache]: Analyzing trace with hash -522753180, now seen corresponding path program 1 times [2023-11-24 23:52:32,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:32,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853434296] [2023-11-24 23:52:32,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:32,911 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:32,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:32,913 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:52:32,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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 [2023-11-24 23:52:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:33,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:52:33,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:33,494 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:33,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 22 [2023-11-24 23:52:33,544 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-24 23:52:33,545 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:33,545 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:33,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853434296] [2023-11-24 23:52:33,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [853434296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:33,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:33,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:52:33,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243375636] [2023-11-24 23:52:33,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:33,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:52:33,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:33,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:52:33,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:52:33,548 INFO L87 Difference]: Start difference. First operand 110 states and 157 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:52:35,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:35,335 INFO L93 Difference]: Finished difference Result 219 states and 313 transitions. [2023-11-24 23:52:35,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:52:35,337 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 129 [2023-11-24 23:52:35,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:35,338 INFO L225 Difference]: With dead ends: 219 [2023-11-24 23:52:35,339 INFO L226 Difference]: Without dead ends: 110 [2023-11-24 23:52:35,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:52:35,340 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 2 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:35,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 417 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-24 23:52:35,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-24 23:52:35,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2023-11-24 23:52:35,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 91 states have (on average 1.3626373626373627) internal successors, (124), 91 states have internal predecessors, (124), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:52:35,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2023-11-24 23:52:35,349 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 129 [2023-11-24 23:52:35,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:35,350 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2023-11-24 23:52:35,351 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-24 23:52:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2023-11-24 23:52:35,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-24 23:52:35,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:35,353 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:35,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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)] Forceful destruction successful, exit code 0 [2023-11-24 23:52:35,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:35,563 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:35,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:35,563 INFO L85 PathProgramCache]: Analyzing trace with hash -2110155660, now seen corresponding path program 1 times [2023-11-24 23:52:35,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:35,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62703301] [2023-11-24 23:52:35,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:35,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:35,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:35,566 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:52:35,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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 (10)] Waiting until timeout for monitored process [2023-11-24 23:52:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:36,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:52:36,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:36,068 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 25 treesize of output 24 [2023-11-24 23:52:36,293 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:36,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 47 [2023-11-24 23:52:38,683 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:38,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2023-11-24 23:52:39,230 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:39,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 76 [2023-11-24 23:52:39,856 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:39,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 79 [2023-11-24 23:52:40,341 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:40,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 79 [2023-11-24 23:52:40,905 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:40,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 75 treesize of output 89 [2023-11-24 23:52:41,655 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:41,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 92 [2023-11-24 23:52:42,248 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:42,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 85 treesize of output 102 [2023-11-24 23:52:43,407 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:43,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 102 treesize of output 116 [2023-11-24 23:52:43,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:43,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 112 treesize of output 120 [2023-11-24 23:52:43,843 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:43,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 122 treesize of output 50 [2023-11-24 23:52:43,929 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-24 23:52:43,933 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:52:43,933 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:52:43,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62703301] [2023-11-24 23:52:43,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [62703301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:43,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:43,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-24 23:52:43,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887702108] [2023-11-24 23:52:43,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:43,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-24 23:52:43,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:52:43,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-24 23:52:43,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=62, Unknown=1, NotChecked=0, Total=110 [2023-11-24 23:52:43,939 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2023-11-24 23:52:51,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:51,795 INFO L93 Difference]: Finished difference Result 381 states and 544 transitions. [2023-11-24 23:52:51,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:52:51,796 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 130 [2023-11-24 23:52:51,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:51,799 INFO L225 Difference]: With dead ends: 381 [2023-11-24 23:52:51,800 INFO L226 Difference]: Without dead ends: 274 [2023-11-24 23:52:51,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=58, Invalid=73, Unknown=1, NotChecked=0, Total=132 [2023-11-24 23:52:51,802 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 240 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:51,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 467 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-11-24 23:52:51,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-11-24 23:52:51,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 209. [2023-11-24 23:52:51,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 176 states have (on average 1.3579545454545454) internal successors, (239), 176 states have internal predecessors, (239), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-24 23:52:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 299 transitions. [2023-11-24 23:52:51,839 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 299 transitions. Word has length 130 [2023-11-24 23:52:51,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:51,840 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 299 transitions. [2023-11-24 23:52:51,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2023-11-24 23:52:51,841 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 299 transitions. [2023-11-24 23:52:51,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-24 23:52:51,843 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:51,843 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:51,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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 (10)] Forceful destruction successful, exit code 0 [2023-11-24 23:52:52,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:52,057 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:52:52,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:52,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1367163186, now seen corresponding path program 1 times [2023-11-24 23:52:52,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:52:52,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670463560] [2023-11-24 23:52:52,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:52,058 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:52:52,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:52:52,060 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:52:52,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca03c61f-d25b-4fab-8a57-5f5415d03406/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 (11)] Waiting until timeout for monitored process [2023-11-24 23:52:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:52,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 23:52:52,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:52:52,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:52:53,337 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:52:53,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 59