./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E --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 4e8a5c4063538a4dcf229465482ca721f86e7f33293608e4514c59ac5276800d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:42:24,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:42:24,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 02:42:24,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:42:24,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:42:24,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:42:24,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:42:24,610 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:42:24,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:42:24,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:42:24,611 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:42:24,611 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:42:24,611 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:42:24,611 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:42:24,611 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:42:24,612 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:42:24,612 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:42:24,612 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:42:24,612 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:42:24,612 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:42:24,612 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:42:24,612 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:42:24,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:42:24,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:42:24,613 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:42:24,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:42:24,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:42:24,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:42:24,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:42:24,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:42:24,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:42:24,614 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:42:24,614 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:42:24,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:42:24,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:42:24,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:42:24,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:42:24,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:42:24,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:24,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:42:24,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:42:24,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:42:24,616 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:42:24,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:42:24,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:42:24,616 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:42:24,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:42:24,616 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E 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 -> 4e8a5c4063538a4dcf229465482ca721f86e7f33293608e4514c59ac5276800d [2024-11-14 02:42:24,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:42:24,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:42:24,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:42:24,969 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:42:24,970 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:42:24,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-16.i Unable to find full path for "g++" [2024-11-14 02:42:26,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:42:27,233 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:42:27,235 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-16.i [2024-11-14 02:42:27,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/data/af68993ce/c0ee78215af34a39929caf735d4ca9bf/FLAGd8eec5cc7 [2024-11-14 02:42:27,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/data/af68993ce/c0ee78215af34a39929caf735d4ca9bf [2024-11-14 02:42:27,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:42:27,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:42:27,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:27,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:42:27,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:42:27,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:27" (1/1) ... [2024-11-14 02:42:27,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5313d1e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:27, skipping insertion in model container [2024-11-14 02:42:27,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:27" (1/1) ... [2024-11-14 02:42:27,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:42:27,439 WARN L250 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_0771f18a-0fef-475c-bb9b-4a3a20984c16/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-16.i[916,929] [2024-11-14 02:42:27,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:27,568 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:42:27,580 WARN L250 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_0771f18a-0fef-475c-bb9b-4a3a20984c16/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-16.i[916,929] [2024-11-14 02:42:27,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:27,676 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:42:27,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:27 WrapperNode [2024-11-14 02:42:27,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:27,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:27,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:42:27,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:42:27,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:27" (1/1) ... [2024-11-14 02:42:27,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:27" (1/1) ... [2024-11-14 02:42:27,770 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 237 [2024-11-14 02:42:27,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:27,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:42:27,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:42:27,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:42:27,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:27" (1/1) ... [2024-11-14 02:42:27,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:27" (1/1) ... [2024-11-14 02:42:27,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:27" (1/1) ... [2024-11-14 02:42:27,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:27" (1/1) ... [2024-11-14 02:42:27,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:27" (1/1) ... [2024-11-14 02:42:27,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:27" (1/1) ... [2024-11-14 02:42:27,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:27" (1/1) ... [2024-11-14 02:42:27,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:27" (1/1) ... [2024-11-14 02:42:27,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:42:27,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:42:27,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:42:27,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:42:27,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:27" (1/1) ... [2024-11-14 02:42:27,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:27,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:27,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:42:27,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:42:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:42:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:42:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:42:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:42:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:42:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:42:28,016 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:42:28,018 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:42:28,800 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-14 02:42:28,800 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:42:29,429 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:42:29,430 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:42:29,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:29 BoogieIcfgContainer [2024-11-14 02:42:29,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:42:29,434 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:42:29,434 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:42:29,441 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:42:29,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:42:27" (1/3) ... [2024-11-14 02:42:29,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be14642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:29, skipping insertion in model container [2024-11-14 02:42:29,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:27" (2/3) ... [2024-11-14 02:42:29,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be14642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:29, skipping insertion in model container [2024-11-14 02:42:29,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:29" (3/3) ... [2024-11-14 02:42:29,445 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-16.i [2024-11-14 02:42:29,462 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:42:29,465 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount100_file-16.i that has 2 procedures, 42 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:42:29,531 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:42:29,548 INFO L333 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, 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;@6a60a2bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:42:29,550 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:42:29,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-14 02:42:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-14 02:42:29,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:29,565 INFO L215 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:29,566 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:42:29,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:29,571 INFO L85 PathProgramCache]: Analyzing trace with hash -2115149017, now seen corresponding path program 1 times [2024-11-14 02:42:29,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:29,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890835776] [2024-11-14 02:42:29,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:29,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:42:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:42:30,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [168085002] [2024-11-14 02:42:30,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:30,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:42:30,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:30,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:42:30,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 02:42:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:31,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:42:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:42:31,362 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:42:31,364 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:42:31,366 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:42:31,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 02:42:31,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 02:42:31,573 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:42:31,678 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:42:31,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:42:31 BoogieIcfgContainer [2024-11-14 02:42:31,681 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:42:31,682 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:42:31,682 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:42:31,682 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:42:31,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:29" (3/4) ... [2024-11-14 02:42:31,686 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:42:31,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:42:31,689 INFO L158 Benchmark]: Toolchain (without parser) took 4424.41ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.4MB in the beginning and 193.2MB in the end (delta: -100.8MB). Peak memory consumption was 133.4MB. Max. memory is 16.1GB. [2024-11-14 02:42:31,689 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:31,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.95ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 76.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 02:42:31,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.27ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 71.4MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:31,692 INFO L158 Benchmark]: Boogie Preprocessor took 58.58ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 69.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:42:31,692 INFO L158 Benchmark]: RCFGBuilder took 1600.08ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 69.1MB in the beginning and 296.5MB in the end (delta: -227.4MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-14 02:42:31,694 INFO L158 Benchmark]: TraceAbstraction took 2247.85ms. Allocated memory is still 352.3MB. Free memory was 295.9MB in the beginning and 193.2MB in the end (delta: 102.7MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2024-11-14 02:42:31,694 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 352.3MB. Free memory is still 193.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:42:31,696 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.95ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 76.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.27ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 71.4MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.58ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 69.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1600.08ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 69.1MB in the beginning and 296.5MB in the end (delta: -227.4MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2247.85ms. Allocated memory is still 352.3MB. Free memory was 295.9MB in the beginning and 193.2MB in the end (delta: 102.7MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 352.3MB. Free memory is still 193.2MB. There was no memory consumed. Max. memory is 16.1GB. * 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 154, overapproximation of someBinaryFLOATComparisonOperation at line 156, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseAnd at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 164, overapproximation of someBinaryDOUBLEComparisonOperation at line 166, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someUnaryFLOAToperation at line 89. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] signed char var_1_7 = -25; [L24] signed char var_1_9 = 50; [L25] signed char var_1_10 = -128; [L26] signed char var_1_11 = 0; [L27] signed char var_1_12 = -32; [L28] signed long int var_1_13 = 16; [L29] unsigned char var_1_14 = 1; [L30] unsigned long int var_1_15 = 16; [L31] unsigned char var_1_18 = 0; [L32] unsigned char var_1_19 = 0; [L33] unsigned char var_1_20 = 0; [L34] float var_1_21 = 127.25; [L35] float var_1_23 = 1.5; [L36] float var_1_24 = 100.5; [L37] signed char var_1_25 = 0; [L38] signed char var_1_26 = -2; [L39] signed char var_1_27 = 0; [L40] signed long int var_1_28 = -128; [L41] float var_1_30 = 9.375; [L42] double var_1_31 = 99999999.875; [L43] double var_1_32 = 4.8; [L44] unsigned short int var_1_33 = 0; [L45] unsigned short int var_1_35 = 54252; [L46] unsigned short int var_1_37 = 5; [L47] unsigned char var_1_38 = 4; [L48] signed char var_1_39 = -64; [L49] signed char last_1_var_1_10 = -128; [L50] unsigned char last_1_var_1_18 = 0; [L51] signed char last_1_var_1_25 = 0; [L52] unsigned short int last_1_var_1_33 = 0; [L53] signed char last_1_var_1_39 = -64; [L183] isInitial = 1 [L184] FCALL initially() [L185] COND TRUE 1 [L186] CALL updateLastVariables() [L172] last_1_var_1_10 = var_1_10 [L173] last_1_var_1_18 = var_1_18 [L174] last_1_var_1_25 = var_1_25 [L175] last_1_var_1_33 = var_1_33 [L176] last_1_var_1_39 = var_1_39 [L186] RET updateLastVariables() [L187] CALL updateVariables() [L137] var_1_9 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L139] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L140] var_1_11 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L142] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L143] var_1_13 = __VERIFIER_nondet_long() [L144] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L146] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L147] var_1_19 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L149] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L150] var_1_20 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L152] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L153] var_1_23 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L155] var_1_24 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L157] var_1_26 = __VERIFIER_nondet_char() [L158] CALL assume_abort_if_not(var_1_26 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_26 >= -63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L159] CALL assume_abort_if_not(var_1_26 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_26 <= 63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L160] var_1_27 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L162] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L163] var_1_31 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L165] var_1_32 = __VERIFIER_nondet_double() [L166] CALL assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L167] var_1_35 = __VERIFIER_nondet_ushort() [L168] CALL assume_abort_if_not(var_1_35 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=-16386, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_35 >= 49150) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=-16386, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L169] CALL assume_abort_if_not(var_1_35 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=-16386, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_35 <= 65534) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=1, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=-16386, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=0] [L187] RET updateVariables() [L188] CALL step() [L57] unsigned char stepLocal_3 = last_1_var_1_18; [L58] COND FALSE !(stepLocal_3 || var_1_20) [L61] COND FALSE !(\read(var_1_20)) [L65] var_1_18 = (! (var_1_19 || var_1_20)) [L66] COND FALSE !((- var_1_24) < var_1_23) [L69] var_1_37 = var_1_11 [L70] var_1_38 = var_1_11 [L71] var_1_39 = var_1_11 [L72] COND TRUE \read(var_1_18) [L73] var_1_7 = var_1_9 [L75] signed char stepLocal_1 = var_1_9; [L76] COND FALSE !((last_1_var_1_10 + var_1_7) > stepLocal_1) [L79] COND TRUE (var_1_7 / var_1_13) == var_1_25 [L80] var_1_12 = var_1_9 [L88] COND TRUE (var_1_11 - var_1_37) != -256 [L89] var_1_21 = ((((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) < (var_1_24)) ? (((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) : (var_1_24))) [L93] signed long int stepLocal_4 = var_1_28; [L94] COND FALSE !(((var_1_31 - var_1_32) + var_1_24) != var_1_23) [L97] COND TRUE stepLocal_4 <= var_1_10 [L98] var_1_30 = var_1_23 [L101] COND TRUE var_1_28 < var_1_37 [L102] var_1_33 = (((26262 - var_1_11) + 18571) - var_1_38) [L122] signed long int stepLocal_0 = var_1_28; [L123] COND TRUE stepLocal_0 >= (var_1_37 * (10u * var_1_33)) [L124] var_1_1 = (var_1_10 + var_1_10) [L128] unsigned long int stepLocal_2 = 1u; [L129] COND FALSE !((((((var_1_13) < (25u)) ? (var_1_13) : (25u))) + var_1_33) == stepLocal_2) [L132] COND TRUE var_1_1 <= var_1_33 [L133] var_1_15 = ((((var_1_11) > (var_1_37)) ? (var_1_11) : (var_1_37))) [L188] RET step() [L189] CALL, EXPR property() [L179] EXPR ((((((((((((var_1_28 >= (var_1_37 * (10u * var_1_33))) ? (var_1_1 == ((signed short int) (var_1_10 + var_1_10))) : (var_1_1 == ((signed short int) var_1_10))) && (var_1_18 ? (var_1_7 == ((signed char) var_1_9)) : 1)) && (((last_1_var_1_10 + var_1_7) > var_1_9) ? (var_1_10 == ((signed char) (1 - var_1_11))) : 1)) && (((var_1_7 / var_1_13) == var_1_25) ? (var_1_12 == ((signed char) var_1_9)) : ((var_1_13 >= var_1_11) ? (var_1_12 == ((signed char) var_1_11)) : (var_1_12 == ((signed char) var_1_9))))) && (((((((var_1_13) < (25u)) ? (var_1_13) : (25u))) + var_1_33) == 1u) ? (var_1_14 == ((unsigned char) (! 0))) : 1)) && ((var_1_1 <= var_1_33) ? (var_1_15 == ((unsigned long int) ((((var_1_11) > (var_1_37)) ? (var_1_11) : (var_1_37))))) : 1)) && (var_1_18 == ((unsigned char) (! (var_1_19 || var_1_20))))) && (((var_1_11 - var_1_37) != -256) ? (var_1_21 == ((float) ((((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) < (var_1_24)) ? (((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) : (var_1_24))))) : (var_1_21 == ((float) var_1_23)))) && (((- var_1_24) < var_1_23) ? (var_1_25 == ((signed char) (((((-10) < (var_1_26)) ? (-10) : (var_1_26))) + var_1_27))) : 1)) && ((last_1_var_1_18 || var_1_20) ? (var_1_28 == ((signed long int) (((((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) > (last_1_var_1_25)) ? ((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) : (last_1_var_1_25))))) : (var_1_20 ? (var_1_28 == ((signed long int) ((((last_1_var_1_33) > ((last_1_var_1_39 + last_1_var_1_25))) ? (last_1_var_1_33) : ((last_1_var_1_39 + last_1_var_1_25)))))) : 1))) && ((((var_1_31 - var_1_32) + var_1_24) != var_1_23) ? (var_1_30 == ((float) ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))))) : ((var_1_28 <= var_1_10) ? (var_1_30 == ((float) var_1_23)) : 1))) && ((var_1_28 < var_1_37) ? (var_1_33 == ((unsigned short int) (((26262 - var_1_11) + 18571) - var_1_38))) : ((! var_1_18) ? ((var_1_10 != (var_1_38 & (var_1_11 - 32))) ? (var_1_33 == ((unsigned short int) ((((((var_1_35 - var_1_11) - var_1_38)) < (var_1_38)) ? (((var_1_35 - var_1_11) - var_1_38)) : (var_1_38))))) : (var_1_33 == ((unsigned short int) (var_1_35 - var_1_38)))) : ((128u > var_1_38) ? (((var_1_38 * var_1_38) == (var_1_38 & var_1_28)) ? (var_1_33 == ((unsigned short int) var_1_11)) : (var_1_33 == ((unsigned short int) ((((((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) < (var_1_38)) ? (((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) : (var_1_38)))))) : (var_1_33 == ((unsigned short int) var_1_38))))) [L179-L180] return (((((((((((((((var_1_28 >= (var_1_37 * (10u * var_1_33))) ? (var_1_1 == ((signed short int) (var_1_10 + var_1_10))) : (var_1_1 == ((signed short int) var_1_10))) && (var_1_18 ? (var_1_7 == ((signed char) var_1_9)) : 1)) && (((last_1_var_1_10 + var_1_7) > var_1_9) ? (var_1_10 == ((signed char) (1 - var_1_11))) : 1)) && (((var_1_7 / var_1_13) == var_1_25) ? (var_1_12 == ((signed char) var_1_9)) : ((var_1_13 >= var_1_11) ? (var_1_12 == ((signed char) var_1_11)) : (var_1_12 == ((signed char) var_1_9))))) && (((((((var_1_13) < (25u)) ? (var_1_13) : (25u))) + var_1_33) == 1u) ? (var_1_14 == ((unsigned char) (! 0))) : 1)) && ((var_1_1 <= var_1_33) ? (var_1_15 == ((unsigned long int) ((((var_1_11) > (var_1_37)) ? (var_1_11) : (var_1_37))))) : 1)) && (var_1_18 == ((unsigned char) (! (var_1_19 || var_1_20))))) && (((var_1_11 - var_1_37) != -256) ? (var_1_21 == ((float) ((((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) < (var_1_24)) ? (((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) : (var_1_24))))) : (var_1_21 == ((float) var_1_23)))) && (((- var_1_24) < var_1_23) ? (var_1_25 == ((signed char) (((((-10) < (var_1_26)) ? (-10) : (var_1_26))) + var_1_27))) : 1)) && ((last_1_var_1_18 || var_1_20) ? (var_1_28 == ((signed long int) (((((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) > (last_1_var_1_25)) ? ((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) : (last_1_var_1_25))))) : (var_1_20 ? (var_1_28 == ((signed long int) ((((last_1_var_1_33) > ((last_1_var_1_39 + last_1_var_1_25))) ? (last_1_var_1_33) : ((last_1_var_1_39 + last_1_var_1_25)))))) : 1))) && ((((var_1_31 - var_1_32) + var_1_24) != var_1_23) ? (var_1_30 == ((float) ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))))) : ((var_1_28 <= var_1_10) ? (var_1_30 == ((float) var_1_23)) : 1))) && ((var_1_28 < var_1_37) ? (var_1_33 == ((unsigned short int) (((26262 - var_1_11) + 18571) - var_1_38))) : ((! var_1_18) ? ((var_1_10 != (var_1_38 & (var_1_11 - 32))) ? (var_1_33 == ((unsigned short int) ((((((var_1_35 - var_1_11) - var_1_38)) < (var_1_38)) ? (((var_1_35 - var_1_11) - var_1_38)) : (var_1_38))))) : (var_1_33 == ((unsigned short int) (var_1_35 - var_1_38)))) : ((128u > var_1_38) ? (((var_1_38 * var_1_38) == (var_1_38 & var_1_28)) ? (var_1_33 == ((unsigned short int) var_1_11)) : (var_1_33 == ((unsigned short int) ((((((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) < (var_1_38)) ? (((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) : (var_1_38)))))) : (var_1_33 == ((unsigned short int) var_1_38)))))) && (var_1_37 == ((unsigned short int) var_1_11))) && (var_1_38 == ((unsigned char) var_1_11))) && (var_1_39 == ((signed char) var_1_11)) ; [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_18=1, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=3, var_1_23=2, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=2, var_1_33=44833, var_1_35=-16386, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_18=1, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=3, var_1_23=2, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=2, var_1_33=44833, var_1_35=-16386, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 21, 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=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 2 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 [2024-11-14 02:42:31,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E --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 4e8a5c4063538a4dcf229465482ca721f86e7f33293608e4514c59ac5276800d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:42:34,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:42:34,522 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 02:42:34,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:42:34,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:42:34,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:42:34,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:42:34,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:42:34,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:42:34,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:42:34,566 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:42:34,567 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:42:34,567 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:42:34,567 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:42:34,567 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:42:34,567 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:42:34,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:42:34,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:42:34,569 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:42:34,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:42:34,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:42:34,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:42:34,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:42:34,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:42:34,570 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:42:34,570 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:42:34,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:42:34,571 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:42:34,571 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:42:34,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:42:34,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:42:34,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:42:34,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:42:34,571 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:42:34,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:42:34,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:34,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:42:34,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:42:34,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:42:34,573 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:42:34,573 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:42:34,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:42:34,573 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:42:34,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E 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 -> 4e8a5c4063538a4dcf229465482ca721f86e7f33293608e4514c59ac5276800d [2024-11-14 02:42:34,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:42:34,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:42:34,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:42:34,916 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:42:34,919 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:42:34,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-16.i Unable to find full path for "g++" [2024-11-14 02:42:36,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:42:37,156 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:42:37,160 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-16.i [2024-11-14 02:42:37,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/data/dc0fe9586/f196ffc67b584686b6a4e4f01dd978be/FLAGda8068746 [2024-11-14 02:42:37,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/data/dc0fe9586/f196ffc67b584686b6a4e4f01dd978be [2024-11-14 02:42:37,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:42:37,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:42:37,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:37,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:42:37,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:42:37,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:37" (1/1) ... [2024-11-14 02:42:37,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b13f25c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:37, skipping insertion in model container [2024-11-14 02:42:37,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:37" (1/1) ... [2024-11-14 02:42:37,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:42:37,398 WARN L250 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_0771f18a-0fef-475c-bb9b-4a3a20984c16/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-16.i[916,929] [2024-11-14 02:42:37,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:37,532 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:42:37,546 WARN L250 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_0771f18a-0fef-475c-bb9b-4a3a20984c16/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-16.i[916,929] [2024-11-14 02:42:37,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:37,630 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:42:37,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:37 WrapperNode [2024-11-14 02:42:37,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:37,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:37,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:42:37,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:42:37,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:37" (1/1) ... [2024-11-14 02:42:37,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:37" (1/1) ... [2024-11-14 02:42:37,691 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2024-11-14 02:42:37,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:37,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:42:37,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:42:37,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:42:37,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:37" (1/1) ... [2024-11-14 02:42:37,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:37" (1/1) ... [2024-11-14 02:42:37,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:37" (1/1) ... [2024-11-14 02:42:37,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:37" (1/1) ... [2024-11-14 02:42:37,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:37" (1/1) ... [2024-11-14 02:42:37,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:37" (1/1) ... [2024-11-14 02:42:37,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:37" (1/1) ... [2024-11-14 02:42:37,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:37" (1/1) ... [2024-11-14 02:42:37,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:42:37,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:42:37,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:42:37,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:42:37,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:37" (1/1) ... [2024-11-14 02:42:37,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:37,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:37,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:42:37,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:42:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:42:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:42:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:42:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:42:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:42:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:42:37,910 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:42:37,912 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:42:44,667 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-14 02:42:44,667 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:42:44,685 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:42:44,685 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:42:44,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:44 BoogieIcfgContainer [2024-11-14 02:42:44,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:42:44,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:42:44,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:42:44,694 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:42:44,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:42:37" (1/3) ... [2024-11-14 02:42:44,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685b906c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:44, skipping insertion in model container [2024-11-14 02:42:44,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:37" (2/3) ... [2024-11-14 02:42:44,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685b906c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:44, skipping insertion in model container [2024-11-14 02:42:44,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:44" (3/3) ... [2024-11-14 02:42:44,697 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-16.i [2024-11-14 02:42:44,713 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:42:44,714 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount100_file-16.i that has 2 procedures, 76 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:42:44,768 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:42:44,781 INFO L333 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, 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;@503e9087, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:42:44,781 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:42:44,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-14 02:42:44,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-14 02:42:44,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:44,798 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:44,799 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:42:44,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:44,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1471129366, now seen corresponding path program 1 times [2024-11-14 02:42:44,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:42:44,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811631266] [2024-11-14 02:42:44,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:44,818 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 [2024-11-14 02:42:44,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:42:44,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:42:44,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:42:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:45,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 02:42:45,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:45,318 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-14 02:42:45,319 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:42:45,320 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:42:45,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811631266] [2024-11-14 02:42:45,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811631266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:45,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:42:45,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:42:45,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300173621] [2024-11-14 02:42:45,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:45,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:42:45,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:42:45,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:42:45,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:42:45,357 INFO L87 Difference]: Start difference. First operand has 76 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-14 02:42:45,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:42:45,384 INFO L93 Difference]: Finished difference Result 145 states and 249 transitions. [2024-11-14 02:42:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:42:45,386 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 143 [2024-11-14 02:42:45,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:42:45,396 INFO L225 Difference]: With dead ends: 145 [2024-11-14 02:42:45,397 INFO L226 Difference]: Without dead ends: 72 [2024-11-14 02:42:45,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:42:45,403 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:42:45,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:42:45,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-14 02:42:45,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-14 02:42:45,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 49 states have internal predecessors, (68), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-14 02:42:45,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 110 transitions. [2024-11-14 02:42:45,449 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 110 transitions. Word has length 143 [2024-11-14 02:42:45,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:42:45,450 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 110 transitions. [2024-11-14 02:42:45,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-14 02:42:45,450 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2024-11-14 02:42:45,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-14 02:42:45,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:45,454 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:42:45,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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)] Ended with exit code 0 [2024-11-14 02:42:45,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:42:45,655 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:42:45,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:45,657 INFO L85 PathProgramCache]: Analyzing trace with hash -116728800, now seen corresponding path program 1 times [2024-11-14 02:42:45,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:42:45,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564878793] [2024-11-14 02:42:45,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:45,658 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 [2024-11-14 02:42:45,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:42:45,663 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:42:45,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:42:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:46,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 02:42:46,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:47,783 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-14 02:42:47,783 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:42:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-14 02:42:48,882 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:42:48,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564878793] [2024-11-14 02:42:48,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564878793] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:42:48,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [254753029] [2024-11-14 02:42:48,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:48,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 02:42:48,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 02:42:48,887 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 02:42:48,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 02:42:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:42:49,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 02:42:49,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:42:50,951 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-14 02:42:50,951 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:42:50,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [254753029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:42:50,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:42:50,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 8] total 12 [2024-11-14 02:42:50,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66043220] [2024-11-14 02:42:50,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:42:50,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:42:50,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:42:50,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:42:50,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-14 02:42:50,955 INFO L87 Difference]: Start difference. First operand 72 states and 110 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-14 02:42:53,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:42:55,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:42:57,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:43:00,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:43:02,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:43:02,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:43:02,133 INFO L93 Difference]: Finished difference Result 326 states and 498 transitions. [2024-11-14 02:43:02,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 02:43:02,155 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 143 [2024-11-14 02:43:02,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:43:02,158 INFO L225 Difference]: With dead ends: 326 [2024-11-14 02:43:02,159 INFO L226 Difference]: Without dead ends: 257 [2024-11-14 02:43:02,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 415 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-14 02:43:02,160 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 296 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 70 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2024-11-14 02:43:02,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 648 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 48 Invalid, 4 Unknown, 0 Unchecked, 10.9s Time] [2024-11-14 02:43:02,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-14 02:43:02,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 173. [2024-11-14 02:43:02,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 118 states have (on average 1.3728813559322033) internal successors, (162), 119 states have internal predecessors, (162), 51 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-14 02:43:02,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 264 transitions. [2024-11-14 02:43:02,208 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 264 transitions. Word has length 143 [2024-11-14 02:43:02,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:43:02,210 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 264 transitions. [2024-11-14 02:43:02,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-14 02:43:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 264 transitions. [2024-11-14 02:43:02,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-14 02:43:02,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:43:02,213 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:43:02,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-14 02:43:02,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 02:43:02,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 02:43:02,617 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:43:02,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:43:02,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1705076702, now seen corresponding path program 1 times [2024-11-14 02:43:02,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:43:02,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990806065] [2024-11-14 02:43:02,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:02,619 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 [2024-11-14 02:43:02,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:43:02,622 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:43:02,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:43:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:02,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 02:43:02,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:43:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-14 02:43:04,542 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:43:05,562 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-14 02:43:05,562 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:43:05,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990806065] [2024-11-14 02:43:05,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990806065] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:43:05,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [725721191] [2024-11-14 02:43:05,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:05,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 02:43:05,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 02:43:05,566 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 02:43:05,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-14 02:43:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:06,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 02:43:06,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:43:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-14 02:43:08,493 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:43:08,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [725721191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:43:08,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:43:08,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 8] total 12 [2024-11-14 02:43:08,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458018816] [2024-11-14 02:43:08,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:43:08,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:43:08,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:43:08,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:43:08,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-14 02:43:08,496 INFO L87 Difference]: Start difference. First operand 173 states and 264 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-14 02:43:10,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:43:11,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:43:11,386 INFO L93 Difference]: Finished difference Result 452 states and 690 transitions. [2024-11-14 02:43:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:43:11,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 143 [2024-11-14 02:43:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:43:11,391 INFO L225 Difference]: With dead ends: 452 [2024-11-14 02:43:11,391 INFO L226 Difference]: Without dead ends: 282 [2024-11-14 02:43:11,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 415 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-14 02:43:11,393 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 93 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-14 02:43:11,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 295 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 29 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2024-11-14 02:43:11,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-14 02:43:11,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 280. [2024-11-14 02:43:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 193 states have (on average 1.3575129533678756) internal successors, (262), 195 states have internal predecessors, (262), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 79 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-14 02:43:11,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 424 transitions. [2024-11-14 02:43:11,441 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 424 transitions. Word has length 143 [2024-11-14 02:43:11,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:43:11,441 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 424 transitions. [2024-11-14 02:43:11,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-14 02:43:11,442 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 424 transitions. [2024-11-14 02:43:11,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-14 02:43:11,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:43:11,444 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:43:11,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 02:43:11,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-14 02:43:11,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 02:43:11,845 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:43:11,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:43:11,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1310026916, now seen corresponding path program 1 times [2024-11-14 02:43:11,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:43:11,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653371654] [2024-11-14 02:43:11,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:11,847 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 [2024-11-14 02:43:11,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:43:11,849 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:43:11,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:43:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:12,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 02:43:12,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:43:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-14 02:43:13,397 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:43:14,281 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-14 02:43:14,281 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:43:14,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653371654] [2024-11-14 02:43:14,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [653371654] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:43:14,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [414548559] [2024-11-14 02:43:14,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:14,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 02:43:14,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 02:43:14,285 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 02:43:14,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-14 02:43:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:15,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 02:43:15,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:43:15,906 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-14 02:43:15,906 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:43:16,245 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-14 02:43:16,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [414548559] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 02:43:16,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:43:16,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 8, 6] total 15 [2024-11-14 02:43:16,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457784429] [2024-11-14 02:43:16,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:43:16,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:43:16,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:43:16,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:43:16,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-14 02:43:16,247 INFO L87 Difference]: Start difference. First operand 280 states and 424 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-14 02:43:18,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:43:18,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:43:18,461 INFO L93 Difference]: Finished difference Result 577 states and 860 transitions. [2024-11-14 02:43:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:43:18,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 143 [2024-11-14 02:43:18,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:43:18,483 INFO L225 Difference]: With dead ends: 577 [2024-11-14 02:43:18,483 INFO L226 Difference]: Without dead ends: 300 [2024-11-14 02:43:18,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 554 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-14 02:43:18,485 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 46 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:43:18,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 151 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2024-11-14 02:43:18,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-14 02:43:18,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2024-11-14 02:43:18,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 208 states have (on average 1.3076923076923077) internal successors, (272), 210 states have internal predecessors, (272), 81 states have call successors, (81), 10 states have call predecessors, (81), 10 states have return successors, (81), 79 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-14 02:43:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 434 transitions. [2024-11-14 02:43:18,532 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 434 transitions. Word has length 143 [2024-11-14 02:43:18,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:43:18,533 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 434 transitions. [2024-11-14 02:43:18,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-14 02:43:18,533 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 434 transitions. [2024-11-14 02:43:18,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-14 02:43:18,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:43:18,535 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:43:18,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:43:18,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-14 02:43:18,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 02:43:18,936 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:43:18,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:43:18,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1896832930, now seen corresponding path program 1 times [2024-11-14 02:43:18,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:43:18,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694913583] [2024-11-14 02:43:18,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:18,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:43:18,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:43:18,940 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:43:18,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:43:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:19,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 02:43:19,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:43:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-14 02:43:20,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:43:21,294 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-14 02:43:21,294 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:43:21,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694913583] [2024-11-14 02:43:21,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [694913583] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:43:21,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [429185865] [2024-11-14 02:43:21,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:21,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 02:43:21,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 02:43:21,296 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 02:43:21,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-14 02:43:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:22,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 02:43:22,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:43:23,114 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-14 02:43:23,114 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:43:23,745 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-14 02:43:23,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [429185865] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:43:23,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299752167] [2024-11-14 02:43:23,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:23,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:43:23,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:43:23,747 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:43:23,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 02:43:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:23,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 02:43:23,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:43:24,928 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-14 02:43:24,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:43:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-14 02:43:25,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299752167] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:43:25,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 02:43:25,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7, 8, 7, 8] total 10 [2024-11-14 02:43:25,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966249290] [2024-11-14 02:43:25,563 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 02:43:25,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 02:43:25,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:43:25,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 02:43:25,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-14 02:43:25,565 INFO L87 Difference]: Start difference. First operand 300 states and 434 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-14 02:43:28,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:43:30,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:43:33,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:43:34,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:43:35,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:43:35,135 INFO L93 Difference]: Finished difference Result 657 states and 947 transitions. [2024-11-14 02:43:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-14 02:43:35,136 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 143 [2024-11-14 02:43:35,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:43:35,139 INFO L225 Difference]: With dead ends: 657 [2024-11-14 02:43:35,139 INFO L226 Difference]: Without dead ends: 360 [2024-11-14 02:43:35,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 864 GetRequests, 843 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2024-11-14 02:43:35,145 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 368 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 177 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:43:35,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 580 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 363 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2024-11-14 02:43:35,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-14 02:43:35,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 315. [2024-11-14 02:43:35,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 222 states have (on average 1.3198198198198199) internal successors, (293), 224 states have internal predecessors, (293), 81 states have call successors, (81), 11 states have call predecessors, (81), 11 states have return successors, (81), 79 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-14 02:43:35,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 455 transitions. [2024-11-14 02:43:35,194 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 455 transitions. Word has length 143 [2024-11-14 02:43:35,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:43:35,195 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 455 transitions. [2024-11-14 02:43:35,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-14 02:43:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 455 transitions. [2024-11-14 02:43:35,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-14 02:43:35,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:43:35,197 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:43:35,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-14 02:43:35,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 02:43:35,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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)] Ended with exit code 0 [2024-11-14 02:43:35,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:43:35,798 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:43:35,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:43:35,799 INFO L85 PathProgramCache]: Analyzing trace with hash 642547452, now seen corresponding path program 1 times [2024-11-14 02:43:35,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:43:35,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242007085] [2024-11-14 02:43:35,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:35,799 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 [2024-11-14 02:43:35,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:43:35,801 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:43:35,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 (12)] Waiting until timeout for monitored process [2024-11-14 02:43:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:36,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 02:43:36,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:43:36,256 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-14 02:43:36,256 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:43:36,256 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:43:36,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [242007085] [2024-11-14 02:43:36,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [242007085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:43:36,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:43:36,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:43:36,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019746408] [2024-11-14 02:43:36,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:43:36,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 02:43:36,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:43:36,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 02:43:36,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:43:36,258 INFO L87 Difference]: Start difference. First operand 315 states and 455 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-14 02:43:38,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 02:43:40,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 02:43:41,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:43:41,205 INFO L93 Difference]: Finished difference Result 948 states and 1369 transitions. [2024-11-14 02:43:41,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:43:41,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 144 [2024-11-14 02:43:41,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:43:41,210 INFO L225 Difference]: With dead ends: 948 [2024-11-14 02:43:41,211 INFO L226 Difference]: Without dead ends: 636 [2024-11-14 02:43:41,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:43:41,212 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 152 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-14 02:43:41,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 510 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 137 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-14 02:43:41,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-11-14 02:43:41,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 340. [2024-11-14 02:43:41,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 247 states have (on average 1.3076923076923077) internal successors, (323), 249 states have internal predecessors, (323), 81 states have call successors, (81), 11 states have call predecessors, (81), 11 states have return successors, (81), 79 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-14 02:43:41,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 485 transitions. [2024-11-14 02:43:41,276 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 485 transitions. Word has length 144 [2024-11-14 02:43:41,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:43:41,277 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 485 transitions. [2024-11-14 02:43:41,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-14 02:43:41,277 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 485 transitions. [2024-11-14 02:43:41,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-14 02:43:41,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:43:41,279 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:43:41,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 (12)] Ended with exit code 0 [2024-11-14 02:43:41,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:43:41,480 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:43:41,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:43:41,480 INFO L85 PathProgramCache]: Analyzing trace with hash 699805754, now seen corresponding path program 1 times [2024-11-14 02:43:41,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:43:41,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [52109814] [2024-11-14 02:43:41,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:41,481 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 [2024-11-14 02:43:41,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:43:41,482 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:43:41,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 (13)] Waiting until timeout for monitored process [2024-11-14 02:43:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:41,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:43:41,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:43:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-14 02:43:42,603 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:43:42,603 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:43:42,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [52109814] [2024-11-14 02:43:42,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [52109814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:43:42,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:43:42,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:43:42,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095537183] [2024-11-14 02:43:42,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:43:42,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:43:42,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:43:42,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:43:42,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:43:42,605 INFO L87 Difference]: Start difference. First operand 340 states and 485 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-14 02:43:45,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:43:48,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:43:50,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:43:51,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:43:51,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:43:51,976 INFO L93 Difference]: Finished difference Result 958 states and 1374 transitions. [2024-11-14 02:43:52,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:43:52,007 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 144 [2024-11-14 02:43:52,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:43:52,011 INFO L225 Difference]: With dead ends: 958 [2024-11-14 02:43:52,012 INFO L226 Difference]: Without dead ends: 699 [2024-11-14 02:43:52,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-14 02:43:52,013 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 227 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 46 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:43:52,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 394 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 142 Invalid, 3 Unknown, 0 Unchecked, 9.2s Time] [2024-11-14 02:43:52,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2024-11-14 02:43:52,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 597. [2024-11-14 02:43:52,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 436 states have (on average 1.3096330275229358) internal successors, (571), 440 states have internal predecessors, (571), 141 states have call successors, (141), 19 states have call predecessors, (141), 19 states have return successors, (141), 137 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-14 02:43:52,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 853 transitions. [2024-11-14 02:43:52,112 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 853 transitions. Word has length 144 [2024-11-14 02:43:52,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:43:52,112 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 853 transitions. [2024-11-14 02:43:52,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-14 02:43:52,113 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 853 transitions. [2024-11-14 02:43:52,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-14 02:43:52,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:43:52,114 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:43:52,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 (13)] Forceful destruction successful, exit code 0 [2024-11-14 02:43:52,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:43:52,315 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:43:52,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:43:52,315 INFO L85 PathProgramCache]: Analyzing trace with hash -580057924, now seen corresponding path program 1 times [2024-11-14 02:43:52,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:43:52,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671093399] [2024-11-14 02:43:52,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:52,316 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 [2024-11-14 02:43:52,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:43:52,322 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:43:52,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0771f18a-0fef-475c-bb9b-4a3a20984c16/bin/utaipan-verify-sOmjnqqW8E/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 (14)] Waiting until timeout for monitored process [2024-11-14 02:43:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:52,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-14 02:43:52,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:45:37,943 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (.cse1 (fp.neg .cse3))) (and (let ((.cse0 (= (_ bv0 8) c_~var_1_19~0))) (or (and (= (_ bv1 8) c_~var_1_18~0) .cse0) (and (= (_ bv0 8) c_~var_1_18~0) (not .cse0)))) (not (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_31~0 c_~var_1_32~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_24~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_23~0))) (= c_~last_1_var_1_18~0 (_ bv0 8)) (or (and (fp.leq c_~var_1_24~0 .cse1) (fp.geq c_~var_1_24~0 .cse2)) (fp.geq c_~var_1_24~0 .cse3)) (= c_~var_1_21~0 c_~var_1_24~0) (= (_ bv0 32) (bvadd (_ bv128 32) c_~var_1_28~0)) (or (and (fp.geq c_~var_1_23~0 .cse2) (fp.leq c_~var_1_23~0 .cse1)) (fp.geq c_~var_1_23~0 .cse3)) (= c_~var_1_39~0 c_~var_1_11~0) (= c_~var_1_12~0 c_~var_1_9~0) (let ((.cse4 (fp.lt c_~var_1_23~0 c_~var_1_24~0))) (or (and (not .cse4) (= c_~var_1_30~0 c_~var_1_24~0)) (and .cse4 (= c_~var_1_30~0 c_~var_1_23~0)))) (= c_~var_1_7~0 c_~var_1_9~0) (= c_~var_1_37~0 ((_ sign_extend 8) c_~var_1_11~0)) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv0 32)) (= (_ bv1 8) c_~var_1_14~0) (= (bvsdiv ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_13~0) ((_ sign_extend 24) c_~var_1_25~0)) (not (fp.lt (fp.neg c_~var_1_24~0) c_~var_1_23~0)) (= (bvadd (_ bv128 8) c_~var_1_10~0) (_ bv0 8)) (= (_ bv128 8) c_~last_1_var_1_10~0) (= c_~var_1_38~0 c_~var_1_11~0) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge ((_ sign_extend 24) c_~var_1_11~0) (_ bv0 32))))) is different from false [2024-11-14 02:45:39,965 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (.cse1 (fp.neg .cse3))) (and (let ((.cse0 (= (_ bv0 8) c_~var_1_19~0))) (or (and (= (_ bv1 8) c_~var_1_18~0) .cse0) (and (= (_ bv0 8) c_~var_1_18~0) (not .cse0)))) (not (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_31~0 c_~var_1_32~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_24~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_23~0))) (= c_~last_1_var_1_18~0 (_ bv0 8)) (or (and (fp.leq c_~var_1_24~0 .cse1) (fp.geq c_~var_1_24~0 .cse2)) (fp.geq c_~var_1_24~0 .cse3)) (= c_~var_1_21~0 c_~var_1_24~0) (= (_ bv0 32) (bvadd (_ bv128 32) c_~var_1_28~0)) (or (and (fp.geq c_~var_1_23~0 .cse2) (fp.leq c_~var_1_23~0 .cse1)) (fp.geq c_~var_1_23~0 .cse3)) (= c_~var_1_39~0 c_~var_1_11~0) (= c_~var_1_12~0 c_~var_1_9~0) (let ((.cse4 (fp.lt c_~var_1_23~0 c_~var_1_24~0))) (or (and (not .cse4) (= c_~var_1_30~0 c_~var_1_24~0)) (and .cse4 (= c_~var_1_30~0 c_~var_1_23~0)))) (= c_~var_1_7~0 c_~var_1_9~0) (= c_~var_1_37~0 ((_ sign_extend 8) c_~var_1_11~0)) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv0 32)) (= (_ bv1 8) c_~var_1_14~0) (= (bvsdiv ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_13~0) ((_ sign_extend 24) c_~var_1_25~0)) (not (fp.lt (fp.neg c_~var_1_24~0) c_~var_1_23~0)) (= (bvadd (_ bv128 8) c_~var_1_10~0) (_ bv0 8)) (= (_ bv128 8) c_~last_1_var_1_10~0) (= c_~var_1_38~0 c_~var_1_11~0) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge ((_ sign_extend 24) c_~var_1_11~0) (_ bv0 32))))) is different from true [2024-11-14 02:46:57,836 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (.cse1 (fp.neg .cse3)) (.cse5 ((_ sign_extend 24) c_~var_1_11~0))) (and (let ((.cse0 (= (_ bv0 8) c_~var_1_19~0))) (or (and (= (_ bv1 8) c_~var_1_18~0) .cse0) (and (= (_ bv0 8) c_~var_1_18~0) (not .cse0)))) (not (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_31~0 c_~var_1_32~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_24~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_23~0))) (= c_~last_1_var_1_18~0 (_ bv0 8)) (or (and (fp.leq c_~var_1_24~0 .cse1) (fp.geq c_~var_1_24~0 .cse2)) (fp.geq c_~var_1_24~0 .cse3)) (= c_~var_1_21~0 c_~var_1_24~0) (= (_ bv0 32) (bvadd (_ bv128 32) c_~var_1_28~0)) (or (and (fp.geq c_~var_1_23~0 .cse2) (fp.leq c_~var_1_23~0 .cse1)) (fp.geq c_~var_1_23~0 .cse3)) (= c_~var_1_39~0 c_~var_1_11~0) (= c_~var_1_12~0 c_~var_1_9~0) (let ((.cse4 (fp.lt c_~var_1_23~0 c_~var_1_24~0))) (or (and (not .cse4) (= c_~var_1_30~0 c_~var_1_24~0)) (and .cse4 (= c_~var_1_30~0 c_~var_1_23~0)))) (= c_~var_1_7~0 c_~var_1_9~0) (= c_~var_1_37~0 ((_ sign_extend 8) c_~var_1_11~0)) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv0 32)) (= (_ bv1 8) c_~var_1_14~0) (= ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_38~0)) (_ bv44833 32) (bvneg .cse5))) c_~var_1_33~0) (= (bvsdiv ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_13~0) ((_ sign_extend 24) c_~var_1_25~0)) (not (fp.lt (fp.neg c_~var_1_24~0) c_~var_1_23~0)) (= (bvadd (_ bv128 8) c_~var_1_10~0) (_ bv0 8)) (= (_ bv128 8) c_~last_1_var_1_10~0) (= c_~var_1_38~0 c_~var_1_11~0) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge .cse5 (_ bv0 32))))) is different from false [2024-11-14 02:46:59,859 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (.cse1 (fp.neg .cse3)) (.cse5 ((_ sign_extend 24) c_~var_1_11~0))) (and (let ((.cse0 (= (_ bv0 8) c_~var_1_19~0))) (or (and (= (_ bv1 8) c_~var_1_18~0) .cse0) (and (= (_ bv0 8) c_~var_1_18~0) (not .cse0)))) (not (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_31~0 c_~var_1_32~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_24~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_23~0))) (= c_~last_1_var_1_18~0 (_ bv0 8)) (or (and (fp.leq c_~var_1_24~0 .cse1) (fp.geq c_~var_1_24~0 .cse2)) (fp.geq c_~var_1_24~0 .cse3)) (= c_~var_1_21~0 c_~var_1_24~0) (= (_ bv0 32) (bvadd (_ bv128 32) c_~var_1_28~0)) (or (and (fp.geq c_~var_1_23~0 .cse2) (fp.leq c_~var_1_23~0 .cse1)) (fp.geq c_~var_1_23~0 .cse3)) (= c_~var_1_39~0 c_~var_1_11~0) (= c_~var_1_12~0 c_~var_1_9~0) (let ((.cse4 (fp.lt c_~var_1_23~0 c_~var_1_24~0))) (or (and (not .cse4) (= c_~var_1_30~0 c_~var_1_24~0)) (and .cse4 (= c_~var_1_30~0 c_~var_1_23~0)))) (= c_~var_1_7~0 c_~var_1_9~0) (= c_~var_1_37~0 ((_ sign_extend 8) c_~var_1_11~0)) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv0 32)) (= (_ bv1 8) c_~var_1_14~0) (= ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_38~0)) (_ bv44833 32) (bvneg .cse5))) c_~var_1_33~0) (= (bvsdiv ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_13~0) ((_ sign_extend 24) c_~var_1_25~0)) (not (fp.lt (fp.neg c_~var_1_24~0) c_~var_1_23~0)) (= (bvadd (_ bv128 8) c_~var_1_10~0) (_ bv0 8)) (= (_ bv128 8) c_~last_1_var_1_10~0) (= c_~var_1_38~0 c_~var_1_11~0) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge .cse5 (_ bv0 32))))) is different from true [2024-11-14 02:49:53,267 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (.cse1 (fp.neg .cse3)) (.cse5 ((_ sign_extend 24) c_~var_1_11~0))) (and (let ((.cse0 (= (_ bv0 8) c_~var_1_19~0))) (or (and (= (_ bv1 8) c_~var_1_18~0) .cse0) (and (= (_ bv0 8) c_~var_1_18~0) (not .cse0)))) (= c_~var_1_1~0 ((_ extract 15 0) (bvmul (_ bv2 32) ((_ sign_extend 24) (_ bv128 8))))) (not (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_31~0 c_~var_1_32~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_24~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_23~0))) (= c_~last_1_var_1_18~0 (_ bv0 8)) (or (and (fp.leq c_~var_1_24~0 .cse1) (fp.geq c_~var_1_24~0 .cse2)) (fp.geq c_~var_1_24~0 .cse3)) (= c_~var_1_21~0 c_~var_1_24~0) (= (_ bv0 32) (bvadd (_ bv128 32) c_~var_1_28~0)) (or (and (fp.geq c_~var_1_23~0 .cse2) (fp.leq c_~var_1_23~0 .cse1)) (fp.geq c_~var_1_23~0 .cse3)) (= c_~var_1_39~0 c_~var_1_11~0) (= c_~var_1_12~0 c_~var_1_9~0) (let ((.cse4 (fp.lt c_~var_1_23~0 c_~var_1_24~0))) (or (and (not .cse4) (= c_~var_1_30~0 c_~var_1_24~0)) (and .cse4 (= c_~var_1_30~0 c_~var_1_23~0)))) (= c_~var_1_7~0 c_~var_1_9~0) (= c_~var_1_37~0 ((_ sign_extend 8) c_~var_1_11~0)) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv0 32)) (= (_ bv1 8) c_~var_1_14~0) (= ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_38~0)) (_ bv44833 32) (bvneg .cse5))) c_~var_1_33~0) (= (bvsdiv ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_13~0) ((_ sign_extend 24) c_~var_1_25~0)) (not (fp.lt (fp.neg c_~var_1_24~0) c_~var_1_23~0)) (= (bvadd (_ bv128 8) c_~var_1_10~0) (_ bv0 8)) (= (_ bv128 8) c_~last_1_var_1_10~0) (= c_~var_1_38~0 c_~var_1_11~0) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge .cse5 (_ bv0 32))))) is different from false [2024-11-14 02:54:06,105 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (.cse1 (fp.neg .cse3)) (.cse5 ((_ sign_extend 24) c_~var_1_11~0))) (and (let ((.cse0 (= (_ bv0 8) c_~var_1_19~0))) (or (and (= (_ bv1 8) c_~var_1_18~0) .cse0) (and (= (_ bv0 8) c_~var_1_18~0) (not .cse0)))) (= c_~var_1_1~0 ((_ extract 15 0) (bvmul (_ bv2 32) ((_ sign_extend 24) (_ bv128 8))))) (not (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_31~0 c_~var_1_32~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_24~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_23~0))) (= c_~last_1_var_1_18~0 (_ bv0 8)) (or (and (fp.leq c_~var_1_24~0 .cse1) (fp.geq c_~var_1_24~0 .cse2)) (fp.geq c_~var_1_24~0 .cse3)) (= c_~var_1_21~0 c_~var_1_24~0) (= (_ bv0 32) (bvadd (_ bv128 32) c_~var_1_28~0)) (or (and (fp.geq c_~var_1_23~0 .cse2) (fp.leq c_~var_1_23~0 .cse1)) (fp.geq c_~var_1_23~0 .cse3)) (= c_~var_1_39~0 c_~var_1_11~0) (= c_~var_1_15~0 ((_ zero_extend 16) c_~var_1_37~0)) (= c_~var_1_12~0 c_~var_1_9~0) (let ((.cse4 (fp.lt c_~var_1_23~0 c_~var_1_24~0))) (or (and (not .cse4) (= c_~var_1_30~0 c_~var_1_24~0)) (and .cse4 (= c_~var_1_30~0 c_~var_1_23~0)))) (= c_~var_1_7~0 c_~var_1_9~0) (= c_~var_1_37~0 ((_ sign_extend 8) c_~var_1_11~0)) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv0 32)) (= (_ bv1 8) c_~var_1_14~0) (= ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_38~0)) (_ bv44833 32) (bvneg .cse5))) c_~var_1_33~0) (= (bvsdiv ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_13~0) ((_ sign_extend 24) c_~var_1_25~0)) (not (fp.lt (fp.neg c_~var_1_24~0) c_~var_1_23~0)) (= (bvadd (_ bv128 8) c_~var_1_10~0) (_ bv0 8)) (= (_ bv128 8) c_~last_1_var_1_10~0) (= c_~var_1_38~0 c_~var_1_11~0) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge .cse5 (_ bv0 32))))) is different from false [2024-11-14 02:54:08,133 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (.cse1 (fp.neg .cse3)) (.cse5 ((_ sign_extend 24) c_~var_1_11~0))) (and (let ((.cse0 (= (_ bv0 8) c_~var_1_19~0))) (or (and (= (_ bv1 8) c_~var_1_18~0) .cse0) (and (= (_ bv0 8) c_~var_1_18~0) (not .cse0)))) (= c_~var_1_1~0 ((_ extract 15 0) (bvmul (_ bv2 32) ((_ sign_extend 24) (_ bv128 8))))) (not (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_31~0 c_~var_1_32~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_24~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_23~0))) (= c_~last_1_var_1_18~0 (_ bv0 8)) (or (and (fp.leq c_~var_1_24~0 .cse1) (fp.geq c_~var_1_24~0 .cse2)) (fp.geq c_~var_1_24~0 .cse3)) (= c_~var_1_21~0 c_~var_1_24~0) (= (_ bv0 32) (bvadd (_ bv128 32) c_~var_1_28~0)) (or (and (fp.geq c_~var_1_23~0 .cse2) (fp.leq c_~var_1_23~0 .cse1)) (fp.geq c_~var_1_23~0 .cse3)) (= c_~var_1_39~0 c_~var_1_11~0) (= c_~var_1_15~0 ((_ zero_extend 16) c_~var_1_37~0)) (= c_~var_1_12~0 c_~var_1_9~0) (let ((.cse4 (fp.lt c_~var_1_23~0 c_~var_1_24~0))) (or (and (not .cse4) (= c_~var_1_30~0 c_~var_1_24~0)) (and .cse4 (= c_~var_1_30~0 c_~var_1_23~0)))) (= c_~var_1_7~0 c_~var_1_9~0) (= c_~var_1_37~0 ((_ sign_extend 8) c_~var_1_11~0)) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv0 32)) (= (_ bv1 8) c_~var_1_14~0) (= ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_38~0)) (_ bv44833 32) (bvneg .cse5))) c_~var_1_33~0) (= (bvsdiv ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_13~0) ((_ sign_extend 24) c_~var_1_25~0)) (not (fp.lt (fp.neg c_~var_1_24~0) c_~var_1_23~0)) (= (bvadd (_ bv128 8) c_~var_1_10~0) (_ bv0 8)) (= (_ bv128 8) c_~last_1_var_1_10~0) (= c_~var_1_38~0 c_~var_1_11~0) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge .cse5 (_ bv0 32))))) is different from true