./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.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_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:45:14,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:45:14,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:45:14,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:45:14,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:45:14,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:45:14,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:45:14,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:45:14,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:45:14,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:45:14,849 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:45:14,849 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:45:14,849 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:45:14,849 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:45:14,850 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:45:14,850 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:45:14,850 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:45:14,850 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:45:14,850 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:45:14,850 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:45:14,850 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:45:14,850 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:45:14,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:45:14,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:45:14,851 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:45:14,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:45:14,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:45:14,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:45:14,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:45:14,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:45:14,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:45:14,852 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:45:14,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:45:14,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:45:14,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:45:14,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:45:14,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:45:14,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:45:14,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:45:14,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:45:14,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:45:14,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:45:14,854 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:45:14,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:45:14,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:45:14,855 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:45:14,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:45:14,855 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_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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 -> 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc [2024-11-14 04:45:15,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:45:15,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:45:15,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:45:15,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:45:15,199 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:45:15,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i Unable to find full path for "g++" [2024-11-14 04:45:17,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:45:17,299 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:45:17,300 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i [2024-11-14 04:45:17,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/data/8a02e6545/2ca40dfc516a4053be9cb9f5350a2de8/FLAG7ae457e4f [2024-11-14 04:45:17,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/data/8a02e6545/2ca40dfc516a4053be9cb9f5350a2de8 [2024-11-14 04:45:17,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:45:17,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:45:17,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:45:17,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:45:17,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:45:17,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:45:17" (1/1) ... [2024-11-14 04:45:17,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155f9ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:17, skipping insertion in model container [2024-11-14 04:45:17,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:45:17" (1/1) ... [2024-11-14 04:45:17,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:45:17,554 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_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i[915,928] [2024-11-14 04:45:17,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:45:17,603 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:45:17,616 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_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i[915,928] [2024-11-14 04:45:17,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:45:17,659 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:45:17,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:17 WrapperNode [2024-11-14 04:45:17,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:45:17,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:45:17,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:45:17,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:45:17,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:17" (1/1) ... [2024-11-14 04:45:17,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:17" (1/1) ... [2024-11-14 04:45:17,706 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 71 [2024-11-14 04:45:17,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:45:17,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:45:17,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:45:17,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:45:17,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:17" (1/1) ... [2024-11-14 04:45:17,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:17" (1/1) ... [2024-11-14 04:45:17,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:17" (1/1) ... [2024-11-14 04:45:17,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:17" (1/1) ... [2024-11-14 04:45:17,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:17" (1/1) ... [2024-11-14 04:45:17,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:17" (1/1) ... [2024-11-14 04:45:17,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:17" (1/1) ... [2024-11-14 04:45:17,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:17" (1/1) ... [2024-11-14 04:45:17,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:45:17,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:45:17,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:45:17,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:45:17,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:17" (1/1) ... [2024-11-14 04:45:17,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:45:17,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:45:17,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:45:17,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:45:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:45:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:45:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:45:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:45:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:45:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:45:17,874 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:45:17,876 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:45:18,053 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 04:45:18,053 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:45:18,137 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:45:18,138 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:45:18,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:45:18 BoogieIcfgContainer [2024-11-14 04:45:18,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:45:18,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:45:18,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:45:18,148 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:45:18,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:45:17" (1/3) ... [2024-11-14 04:45:18,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2819be9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:45:18, skipping insertion in model container [2024-11-14 04:45:18,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:17" (2/3) ... [2024-11-14 04:45:18,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2819be9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:45:18, skipping insertion in model container [2024-11-14 04:45:18,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:45:18" (3/3) ... [2024-11-14 04:45:18,152 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-14.i [2024-11-14 04:45:18,168 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:45:18,170 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-14.i that has 2 procedures, 21 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:45:18,235 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:45:18,252 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;@1f6b7363, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:45:18,253 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:45:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-14 04:45:18,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-14 04:45:18,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:45:18,266 INFO L215 NwaCegarLoop]: trace histogram [7, 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 04:45:18,267 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:45:18,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:45:18,273 INFO L85 PathProgramCache]: Analyzing trace with hash 61256976, now seen corresponding path program 1 times [2024-11-14 04:45:18,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:45:18,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930784464] [2024-11-14 04:45:18,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:45:18,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:45:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:45:18,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:45:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:45:18,546 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:45:18,547 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:45:18,548 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:45:18,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:45:18,558 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:45:18,584 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:45:18,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:45:18 BoogieIcfgContainer [2024-11-14 04:45:18,587 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:45:18,587 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:45:18,588 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:45:18,588 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:45:18,588 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:45:18" (3/4) ... [2024-11-14 04:45:18,590 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:45:18,591 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:45:18,592 INFO L158 Benchmark]: Toolchain (without parser) took 1233.22ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 72.3MB in the end (delta: 46.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-14 04:45:18,593 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:45:18,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.79ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:45:18,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.45ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 105.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:45:18,595 INFO L158 Benchmark]: Boogie Preprocessor took 21.64ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 105.1MB in the end (delta: 797.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:45:18,595 INFO L158 Benchmark]: RCFGBuilder took 409.53ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 90.6MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:45:18,595 INFO L158 Benchmark]: TraceAbstraction took 444.85ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 72.6MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:45:18,596 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 72.3MB in the end (delta: 260.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:45:18,598 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.79ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.45ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 105.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.64ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 105.1MB in the end (delta: 797.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 409.53ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 90.6MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 444.85ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 72.6MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 72.3MB in the end (delta: 260.8kB). 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 someBinaryArithmeticDOUBLEoperation at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 16.75; [L23] double var_1_5 = 2.05; [L24] double var_1_6 = 9.375; [L25] double var_1_7 = 64.4; [L26] double var_1_8 = 10000.25; [L27] signed short int var_1_9 = -2; [L28] signed short int var_1_10 = 0; [L29] unsigned short int var_1_11 = 4; [L30] unsigned short int var_1_12 = 128; [L63] isInitial = 1 [L64] FCALL initially() [L65] COND TRUE 1 [L66] FCALL updateLastVariables() [L67] CALL updateVariables() [L43] var_1_5 = __VERIFIER_nondet_double() [L44] CALL assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L45] var_1_6 = __VERIFIER_nondet_double() [L46] CALL assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L47] var_1_7 = __VERIFIER_nondet_double() [L48] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L49] var_1_10 = __VERIFIER_nondet_short() [L50] CALL assume_abort_if_not(var_1_10 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_10 >= -32767) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L51] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L52] var_1_12 = __VERIFIER_nondet_ushort() [L53] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L54] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=-65536, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_12=-65536, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L67] RET updateVariables() [L68] CALL step() [L34] var_1_8 = var_1_5 [L35] var_1_9 = var_1_10 [L36] var_1_11 = var_1_12 [L37] signed short int stepLocal_0 = var_1_9; [L38] COND TRUE stepLocal_0 <= (var_1_11 + ((((50) > (var_1_9)) ? (50) : (var_1_9)))) [L39] var_1_1 = ((var_1_5 + var_1_6) + var_1_7) [L68] RET step() [L69] CALL, EXPR property() [L59-L60] return ((((var_1_9 <= (var_1_11 + ((((50) > (var_1_9)) ? (50) : (var_1_9))))) ? (var_1_1 == ((double) ((var_1_5 + var_1_6) + var_1_7))) : 1) && (var_1_8 == ((double) var_1_5))) && (var_1_9 == ((signed short int) var_1_10))) && (var_1_11 == ((unsigned short int) var_1_12)) ; [L69] RET, EXPR property() [L69] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=50, var_1_11=-65536, var_1_12=-65536, var_1_1=67/4, var_1_5=10005, var_1_8=10005, var_1_9=50] [L19] reach_error() VAL [isInitial=1, var_1_10=50, var_1_11=-65536, var_1_12=-65536, var_1_1=67/4, var_1_5=10005, var_1_8=10005, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 7, 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=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:45:18,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:45:21,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:45:21,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:45:21,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:45:21,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:45:21,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:45:21,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:45:21,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:45:21,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:45:21,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:45:21,365 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:45:21,365 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:45:21,365 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:45:21,365 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:45:21,365 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:45:21,366 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:45:21,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:45:21,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:45:21,367 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:45:21,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:45:21,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:45:21,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:45:21,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:45:21,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:45:21,367 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:45:21,367 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:45:21,367 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:45:21,368 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:45:21,368 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:45:21,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:45:21,368 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:45:21,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:45:21,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:45:21,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:45:21,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:45:21,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:45:21,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:45:21,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:45:21,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:45:21,370 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:45:21,370 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:45:21,370 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:45:21,370 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:45:21,371 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_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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 -> 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc [2024-11-14 04:45:21,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:45:21,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:45:21,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:45:21,702 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:45:21,702 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:45:21,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i Unable to find full path for "g++" [2024-11-14 04:45:23,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:45:23,880 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:45:23,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i [2024-11-14 04:45:23,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/data/564bb9a0a/4d1747161ec14c13b1b206c05cab0d12/FLAGc7b0187c0 [2024-11-14 04:45:24,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/data/564bb9a0a/4d1747161ec14c13b1b206c05cab0d12 [2024-11-14 04:45:24,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:45:24,205 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:45:24,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:45:24,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:45:24,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:45:24,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:45:24" (1/1) ... [2024-11-14 04:45:24,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25fabb5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:24, skipping insertion in model container [2024-11-14 04:45:24,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:45:24" (1/1) ... [2024-11-14 04:45:24,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:45:24,415 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_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i[915,928] [2024-11-14 04:45:24,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:45:24,478 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:45:24,491 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_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i[915,928] [2024-11-14 04:45:24,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:45:24,539 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:45:24,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:24 WrapperNode [2024-11-14 04:45:24,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:45:24,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:45:24,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:45:24,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:45:24,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:24" (1/1) ... [2024-11-14 04:45:24,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:24" (1/1) ... [2024-11-14 04:45:24,573 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2024-11-14 04:45:24,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:45:24,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:45:24,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:45:24,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:45:24,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:24" (1/1) ... [2024-11-14 04:45:24,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:24" (1/1) ... [2024-11-14 04:45:24,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:24" (1/1) ... [2024-11-14 04:45:24,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:24" (1/1) ... [2024-11-14 04:45:24,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:24" (1/1) ... [2024-11-14 04:45:24,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:24" (1/1) ... [2024-11-14 04:45:24,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:24" (1/1) ... [2024-11-14 04:45:24,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:24" (1/1) ... [2024-11-14 04:45:24,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:45:24,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:45:24,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:45:24,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:45:24,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:24" (1/1) ... [2024-11-14 04:45:24,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:45:24,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:45:24,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:45:24,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:45:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:45:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:45:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:45:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:45:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:45:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:45:24,744 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:45:24,746 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:45:25,992 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 04:45:25,993 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:45:26,002 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:45:26,003 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:45:26,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:45:26 BoogieIcfgContainer [2024-11-14 04:45:26,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:45:26,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:45:26,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:45:26,012 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:45:26,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:45:24" (1/3) ... [2024-11-14 04:45:26,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25718660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:45:26, skipping insertion in model container [2024-11-14 04:45:26,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:45:24" (2/3) ... [2024-11-14 04:45:26,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25718660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:45:26, skipping insertion in model container [2024-11-14 04:45:26,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:45:26" (3/3) ... [2024-11-14 04:45:26,015 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-14.i [2024-11-14 04:45:26,032 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:45:26,034 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-14.i that has 2 procedures, 32 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:45:26,104 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:45:26,122 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;@6c59bae5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:45:26,123 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:45:26,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-14 04:45:26,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-14 04:45:26,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:45:26,135 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 04:45:26,136 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:45:26,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:45:26,140 INFO L85 PathProgramCache]: Analyzing trace with hash -809313889, now seen corresponding path program 1 times [2024-11-14 04:45:26,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:45:26,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [913234210] [2024-11-14 04:45:26,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:45:26,151 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 04:45:26,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:45:26,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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 04:45:26,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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 04:45:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:45:26,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:45:26,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:45:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-14 04:45:26,423 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:45:26,424 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:45:26,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [913234210] [2024-11-14 04:45:26,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [913234210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:45:26,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:45:26,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:45:26,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917651606] [2024-11-14 04:45:26,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:45:26,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:45:26,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:45:26,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:45:26,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:45:26,450 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-14 04:45:26,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:45:26,468 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2024-11-14 04:45:26,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:45:26,470 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-11-14 04:45:26,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:45:26,476 INFO L225 Difference]: With dead ends: 57 [2024-11-14 04:45:26,476 INFO L226 Difference]: Without dead ends: 28 [2024-11-14 04:45:26,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 49 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 04:45:26,481 INFO L432 NwaCegarLoop]: 35 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, 35 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 04:45:26,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:45:26,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-14 04:45:26,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-14 04:45:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-14 04:45:26,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-14 04:45:26,525 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2024-11-14 04:45:26,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:45:26,526 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-14 04:45:26,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-14 04:45:26,527 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-14 04:45:26,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-14 04:45:26,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:45:26,530 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 04:45:26,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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 04:45:26,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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 04:45:26,732 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:45:26,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:45:26,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1353734491, now seen corresponding path program 1 times [2024-11-14 04:45:26,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:45:26,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [224129131] [2024-11-14 04:45:26,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:45:26,734 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 04:45:26,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:45:26,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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 04:45:26,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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 04:45:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:45:26,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:45:26,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:45:27,050 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-14 04:45:27,051 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:45:27,051 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:45:27,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [224129131] [2024-11-14 04:45:27,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [224129131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:45:27,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:45:27,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:45:27,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640352722] [2024-11-14 04:45:27,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:45:27,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:45:27,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:45:27,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:45:27,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:45:27,054 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-14 04:45:28,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:45:28,408 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2024-11-14 04:45:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:45:28,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 50 [2024-11-14 04:45:28,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:45:28,419 INFO L225 Difference]: With dead ends: 53 [2024-11-14 04:45:28,419 INFO L226 Difference]: Without dead ends: 28 [2024-11-14 04:45:28,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:45:28,420 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:45:28,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-14 04:45:28,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-14 04:45:28,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-14 04:45:28,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-14 04:45:28,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2024-11-14 04:45:28,426 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 50 [2024-11-14 04:45:28,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:45:28,428 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2024-11-14 04:45:28,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-14 04:45:28,428 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-11-14 04:45:28,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-14 04:45:28,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:45:28,429 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 04:45:28,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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 04:45:28,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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 04:45:28,630 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:45:28,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:45:28,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1355581533, now seen corresponding path program 1 times [2024-11-14 04:45:28,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:45:28,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075224859] [2024-11-14 04:45:28,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:45:28,631 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 04:45:28,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:45:28,633 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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 04:45:28,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/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)] Waiting until timeout for monitored process [2024-11-14 04:45:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:45:28,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-14 04:45:28,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:46:07,999 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse5))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse6))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse6)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode .cse5))) (and (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.leq c_~var_1_7~0 .cse0) (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))) (and (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1)) (fp.geq c_~var_1_7~0 .cse2)))) (or (and (fp.geq c_~var_1_5~0 .cse3) (fp.leq c_~var_1_5~0 .cse0)) (and (fp.geq c_~var_1_5~0 .cse2) (fp.leq c_~var_1_5~0 .cse4))) (= c_~var_1_8~0 c_~var_1_5~0) (= c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0) c_~var_1_7~0)) (= c_~var_1_12~0 c_~var_1_11~0) (= c_~var_1_9~0 c_~var_1_10~0) (or (and (fp.geq c_~var_1_6~0 .cse3) (fp.leq c_~var_1_6~0 .cse0)) (and (fp.geq c_~var_1_6~0 .cse2) (fp.leq c_~var_1_6~0 .cse4))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-11-14 04:51:47,906 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse13 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse11 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse12 ((_ to_fp 8 24) roundNearestTiesToEven 2305843009213691390.0))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse12))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven .cse11)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven .cse13)) (.cse0 (= |c_ULTIMATE.start_property_#res#1| (_ bv0 32))) (.cse6 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse13))) (.cse8 ((_ to_fp 11 53) roundNearestTiesToEven .cse12)) (.cse9 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse11)))) (or (and .cse0 (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse1) (not (let ((.cse2 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse2 .cse2))) (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse1) (fp.geq ~var_1_8~0 .cse4)))) (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)) (and .cse0 (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse4) (fp.geq ~var_1_8~0 .cse1) (not (let ((.cse5 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse5 .cse5))) (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse1)))) (and .cse0 (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_8~0 .cse6) (fp.geq ~var_1_6~0 .cse1) (fp.leq ~var_1_7~0 .cse6) (not (let ((.cse7 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse7 .cse7))) (fp.leq ~var_1_6~0 .cse8) (fp.geq ~var_1_7~0 .cse9)))) (and .cse0 (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_6~0 .cse6) (fp.leq ~var_1_7~0 .cse6) (fp.leq ~var_1_8~0 .cse8) (not (let ((.cse10 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse10 .cse10))) (fp.geq ~var_1_7~0 .cse9))))))) is different from false [2024-11-14 04:53:06,550 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse13 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse11 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse12 ((_ to_fp 8 24) roundNearestTiesToEven 2305843009213691390.0))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse12))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven .cse11)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven .cse13)) (.cse0 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse13))) (.cse7 ((_ to_fp 11 53) roundNearestTiesToEven .cse12)) (.cse8 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse11)))) (or (and .cse0 (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse1) (not (let ((.cse2 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse2 .cse2))) (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse1) (fp.geq ~var_1_8~0 .cse4)))) (and .cse0 (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_8~0 .cse5) (fp.leq ~var_1_7~0 .cse5) (not (let ((.cse6 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse6 .cse6))) (fp.leq ~var_1_6~0 .cse7) (fp.geq ~var_1_7~0 .cse8)))) (and (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse4) (fp.geq ~var_1_8~0 .cse1) (not (let ((.cse9 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse9 .cse9))) (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse1))) .cse0) (and .cse0 (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_6~0 .cse5) (fp.leq ~var_1_7~0 .cse5) (fp.leq ~var_1_8~0 .cse7) (not (let ((.cse10 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse10 .cse10))) (fp.geq ~var_1_7~0 .cse8)))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))))) is different from false [2024-11-14 04:54:21,457 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ to_fp 8 24) roundNearestTiesToEven 2305843009213691390.0)) (.cse12 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven .cse10)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven .cse12)) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse11))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse12))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven .cse11)) (.cse7 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse10)))) (or (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse0) (fp.geq ~var_1_8~0 .cse1) (not (let ((.cse2 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse2 .cse2))) (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse1))) (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_6~0 .cse4) (fp.leq ~var_1_7~0 .cse4) (fp.leq ~var_1_8~0 .cse5) (not (let ((.cse6 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse6 .cse6))) (fp.geq ~var_1_7~0 .cse7))) (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse1) (not (let ((.cse8 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse8 .cse8))) (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse1) (fp.geq ~var_1_8~0 .cse0))) (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_8~0 .cse4) (fp.leq ~var_1_7~0 .cse4) (not (let ((.cse9 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse9 .cse9))) (fp.leq ~var_1_6~0 .cse5) (fp.geq ~var_1_7~0 .cse7)))))) is different from false [2024-11-14 04:54:23,479 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ to_fp 8 24) roundNearestTiesToEven 2305843009213691390.0)) (.cse12 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven .cse10)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven .cse12)) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse11))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse12))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven .cse11)) (.cse7 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse10)))) (or (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse0) (fp.geq ~var_1_8~0 .cse1) (not (let ((.cse2 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse2 .cse2))) (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse1))) (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_6~0 .cse4) (fp.leq ~var_1_7~0 .cse4) (fp.leq ~var_1_8~0 .cse5) (not (let ((.cse6 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse6 .cse6))) (fp.geq ~var_1_7~0 .cse7))) (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse1) (not (let ((.cse8 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse8 .cse8))) (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse1) (fp.geq ~var_1_8~0 .cse0))) (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_8~0 .cse4) (fp.leq ~var_1_7~0 .cse4) (not (let ((.cse9 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse9 .cse9))) (fp.leq ~var_1_6~0 .cse5) (fp.geq ~var_1_7~0 .cse7)))))) is different from true [2024-11-14 04:54:23,481 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 04:54:23,481 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:54:57,850 WARN L286 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:56:39,926 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.add c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (and (forall ((~var_1_7~0 (_ FloatingPoint 11 53))) (or (let ((.cse0 (fp.add c_currentRoundingMode .cse1 ~var_1_7~0))) (fp.eq .cse0 .cse0)) (not (fp.leq ~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2))) (not (fp.geq ~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))))) (forall ((~var_1_7~0 (_ FloatingPoint 11 53))) (or (let ((.cse4 (fp.add c_currentRoundingMode .cse1 ~var_1_7~0))) (fp.eq .cse4 .cse4)) (not (fp.leq ~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3)))) (not (fp.geq ~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))))) is different from true [2024-11-14 04:56:39,928 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:56:39,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2075224859] [2024-11-14 04:56:39,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2075224859] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:56:39,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1365603300] [2024-11-14 04:56:39,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:39,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:56:39,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:56:39,934 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:56:39,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa2c86d-2239-4651-99e5-d63cf4f9bccc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-14 04:56:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:56:40,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 04:56:40,645 INFO L278 TraceCheckSpWp]: Computing forward predicates...