./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.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_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/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_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/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_fa2854a2-61ad-4225-babc-1430128769bb/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 6768dd66a63438b97c4000afe1975121b113cc0e56ca3e7c3bb97c4a3e086311 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:29:39,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:29:39,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:29:39,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:29:39,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:29:39,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:29:39,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:29:39,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:29:39,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:29:39,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:29:39,181 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:29:39,182 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:29:39,182 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:29:39,182 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:29:39,183 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:29:39,183 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:29:39,183 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:29:39,183 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:29:39,183 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:29:39,183 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:29:39,183 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:29:39,183 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:29:39,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:29:39,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:29:39,184 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:29:39,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:29:39,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:29:39,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:29:39,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:29:39,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:29:39,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:29:39,186 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:29:39,186 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:29:39,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:29:39,187 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:29:39,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:29:39,187 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:29:39,187 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:29:39,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:29:39,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:29:39,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:29:39,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:29:39,188 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:29:39,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:29:39,189 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:29:39,189 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:29:39,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:29:39,189 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_fa2854a2-61ad-4225-babc-1430128769bb/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 -> 6768dd66a63438b97c4000afe1975121b113cc0e56ca3e7c3bb97c4a3e086311 [2024-11-14 03:29:39,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:29:39,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:29:39,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:29:39,545 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:29:39,545 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:29:39,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i Unable to find full path for "g++" [2024-11-14 03:29:41,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:29:41,997 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:29:41,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i [2024-11-14 03:29:42,037 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/data/c29a12784/92d011c154c542f0907980402b4df59c/FLAGa46bf04de [2024-11-14 03:29:42,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/data/c29a12784/92d011c154c542f0907980402b4df59c [2024-11-14 03:29:42,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:29:42,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:29:42,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:29:42,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:29:42,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:29:42,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:29:42" (1/1) ... [2024-11-14 03:29:42,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b85fb4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:42, skipping insertion in model container [2024-11-14 03:29:42,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:29:42" (1/1) ... [2024-11-14 03:29:42,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:29:42,340 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_fa2854a2-61ad-4225-babc-1430128769bb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i[915,928] [2024-11-14 03:29:42,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:29:42,434 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:29:42,444 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_fa2854a2-61ad-4225-babc-1430128769bb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i[915,928] [2024-11-14 03:29:42,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:29:42,488 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:29:42,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:42 WrapperNode [2024-11-14 03:29:42,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:29:42,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:29:42,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:29:42,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:29:42,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:42" (1/1) ... [2024-11-14 03:29:42,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:42" (1/1) ... [2024-11-14 03:29:42,548 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-14 03:29:42,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:29:42,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:29:42,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:29:42,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:29:42,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:42" (1/1) ... [2024-11-14 03:29:42,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:42" (1/1) ... [2024-11-14 03:29:42,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:42" (1/1) ... [2024-11-14 03:29:42,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:42" (1/1) ... [2024-11-14 03:29:42,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:42" (1/1) ... [2024-11-14 03:29:42,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:42" (1/1) ... [2024-11-14 03:29:42,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:42" (1/1) ... [2024-11-14 03:29:42,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:42" (1/1) ... [2024-11-14 03:29:42,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:29:42,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:29:42,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:29:42,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:29:42,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:42" (1/1) ... [2024-11-14 03:29:42,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:29:42,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:29:42,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:29:42,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:29:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:29:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:29:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:29:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:29:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:29:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:29:42,778 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:29:42,780 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:29:43,103 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 03:29:43,103 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:29:43,250 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:29:43,250 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:29:43,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:29:43 BoogieIcfgContainer [2024-11-14 03:29:43,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:29:43,254 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:29:43,254 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:29:43,260 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:29:43,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:29:42" (1/3) ... [2024-11-14 03:29:43,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4a923d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:29:43, skipping insertion in model container [2024-11-14 03:29:43,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:42" (2/3) ... [2024-11-14 03:29:43,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4a923d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:29:43, skipping insertion in model container [2024-11-14 03:29:43,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:29:43" (3/3) ... [2024-11-14 03:29:43,263 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-11.i [2024-11-14 03:29:43,282 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:29:43,284 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-11.i that has 2 procedures, 38 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:29:43,347 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:29:43,362 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;@5a7b6efb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:29:43,362 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:29:43,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 03:29:43,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-14 03:29:43,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:29:43,378 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:29:43,379 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:29:43,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:29:43,385 INFO L85 PathProgramCache]: Analyzing trace with hash 993785957, now seen corresponding path program 1 times [2024-11-14 03:29:43,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:29:43,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160458483] [2024-11-14 03:29:43,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:43,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:29:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:29:43,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1753791865] [2024-11-14 03:29:43,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:43,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:29:43,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:29:43,722 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:29:43,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:29:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:29:43,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:29:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:29:44,151 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:29:44,154 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:29:44,156 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:29:44,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 03:29:44,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:29:44,362 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:29:44,453 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:29:44,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:29:44 BoogieIcfgContainer [2024-11-14 03:29:44,457 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:29:44,457 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:29:44,458 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:29:44,458 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:29:44,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:29:43" (3/4) ... [2024-11-14 03:29:44,461 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:29:44,461 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:29:44,463 INFO L158 Benchmark]: Toolchain (without parser) took 2376.63ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 113.0MB in the end (delta: 6.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-11-14 03:29:44,463 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:29:44,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.86ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 106.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:29:44,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.32ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 104.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:29:44,465 INFO L158 Benchmark]: Boogie Preprocessor took 30.58ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.8MB in the end (delta: 836.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:29:44,465 INFO L158 Benchmark]: RCFGBuilder took 667.37ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 79.5MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:29:44,466 INFO L158 Benchmark]: TraceAbstraction took 1203.10ms. Allocated memory is still 142.6MB. Free memory was 78.9MB in the beginning and 113.0MB in the end (delta: -34.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-11-14 03:29:44,466 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 113.0MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:29:44,469 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.86ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 106.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.32ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 104.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.58ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.8MB in the end (delta: 836.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 667.37ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 79.5MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1203.10ms. Allocated memory is still 142.6MB. Free memory was 78.9MB in the beginning and 113.0MB in the end (delta: -34.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 113.0MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 42, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 65. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] double var_1_2 = 50.75; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] signed char var_1_7 = 10; [L27] float var_1_8 = 32.5; [L28] float var_1_9 = 1000000.7; [L29] float var_1_10 = 1.2; [L30] unsigned short int var_1_11 = 256; [L31] signed long int var_1_12 = -64; [L32] signed long int var_1_13 = -16; [L33] unsigned short int var_1_14 = 56281; [L34] unsigned short int var_1_15 = 32; [L35] float last_1_var_1_8 = 32.5; [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L95] last_1_var_1_8 = var_1_8 [L105] RET updateLastVariables() [L106] CALL updateVariables() [L64] var_1_2 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L66] var_1_5 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L68] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L69] var_1_6 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L71] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L72] var_1_7 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2, var_1_9=10000007/10] [L74] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2, var_1_9=10000007/10] [L75] var_1_9 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L77] var_1_10 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L79] var_1_12 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_12 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_12 >= -2147483648) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L81] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L82] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L83] var_1_13 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L85] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L86] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L87] var_1_14 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_14 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_14 >= 32767) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L89] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L90] var_1_15 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L92] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=0, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=0, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L106] RET updateVariables() [L107] CALL step() [L39] COND TRUE last_1_var_1_8 >= var_1_2 [L40] COND TRUE \read(var_1_6) [L41] COND FALSE !(! var_1_5) [L44] var_1_8 = var_1_9 [L48] unsigned char stepLocal_0 = var_1_5; [L49] COND FALSE !((var_1_2 - 5.25) < (var_1_8 * (var_1_8 * 199.4))) [L58] signed long int stepLocal_1 = var_1_1 / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))); [L59] COND FALSE !(stepLocal_1 < var_1_7) [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((var_1_2 - 5.25) < (var_1_8 * (var_1_8 * 199.4))) ? ((var_1_5 && var_1_6) ? ((var_1_8 < var_1_8) ? (var_1_1 == ((signed char) var_1_7)) : (var_1_1 == ((signed char) var_1_7))) : 1) : 1) && ((last_1_var_1_8 >= var_1_2) ? (var_1_6 ? ((! var_1_5) ? (var_1_8 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))))) : (var_1_8 == ((float) var_1_9))) : 1) : 1)) && (((var_1_1 / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13)))) < var_1_7) ? (var_1_11 == ((unsigned short int) (var_1_14 - var_1_15))) : 1) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=0, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=0, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2, var_1_9=65/2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=0, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=0, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2, var_1_9=65/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 19, 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=38occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 03:29:44,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/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_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/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_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/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_fa2854a2-61ad-4225-babc-1430128769bb/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 6768dd66a63438b97c4000afe1975121b113cc0e56ca3e7c3bb97c4a3e086311 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:29:47,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:29:47,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:29:47,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:29:47,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:29:47,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:29:47,825 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:29:47,825 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:29:47,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:29:47,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:29:47,826 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:29:47,826 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:29:47,827 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:29:47,827 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:29:47,827 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:29:47,829 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:29:47,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:29:47,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:29:47,830 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:29:47,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:29:47,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:29:47,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:29:47,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:29:47,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:29:47,830 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:29:47,830 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:29:47,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:29:47,830 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:29:47,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:29:47,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:29:47,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:29:47,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:29:47,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:29:47,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:29:47,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:29:47,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:29:47,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:29:47,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:29:47,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:29:47,834 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:29:47,834 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:29:47,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:29:47,834 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:29:47,834 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_fa2854a2-61ad-4225-babc-1430128769bb/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 -> 6768dd66a63438b97c4000afe1975121b113cc0e56ca3e7c3bb97c4a3e086311 [2024-11-14 03:29:48,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:29:48,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:29:48,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:29:48,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:29:48,166 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:29:48,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i Unable to find full path for "g++" [2024-11-14 03:29:50,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:29:50,855 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:29:50,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i [2024-11-14 03:29:50,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/data/9120dbfab/daa154e4693f4e358c284520cbbe7a1e/FLAGce760307e [2024-11-14 03:29:51,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/data/9120dbfab/daa154e4693f4e358c284520cbbe7a1e [2024-11-14 03:29:51,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:29:51,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:29:51,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:29:51,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:29:51,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:29:51,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:29:51" (1/1) ... [2024-11-14 03:29:51,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebe7064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:51, skipping insertion in model container [2024-11-14 03:29:51,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:29:51" (1/1) ... [2024-11-14 03:29:51,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:29:51,346 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_fa2854a2-61ad-4225-babc-1430128769bb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i[915,928] [2024-11-14 03:29:51,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:29:51,462 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:29:51,480 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_fa2854a2-61ad-4225-babc-1430128769bb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i[915,928] [2024-11-14 03:29:51,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:29:51,550 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:29:51,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:51 WrapperNode [2024-11-14 03:29:51,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:29:51,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:29:51,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:29:51,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:29:51,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:51" (1/1) ... [2024-11-14 03:29:51,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:51" (1/1) ... [2024-11-14 03:29:51,626 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-14 03:29:51,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:29:51,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:29:51,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:29:51,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:29:51,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:51" (1/1) ... [2024-11-14 03:29:51,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:51" (1/1) ... [2024-11-14 03:29:51,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:51" (1/1) ... [2024-11-14 03:29:51,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:51" (1/1) ... [2024-11-14 03:29:51,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:51" (1/1) ... [2024-11-14 03:29:51,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:51" (1/1) ... [2024-11-14 03:29:51,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:51" (1/1) ... [2024-11-14 03:29:51,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:51" (1/1) ... [2024-11-14 03:29:51,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:29:51,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:29:51,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:29:51,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:29:51,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:51" (1/1) ... [2024-11-14 03:29:51,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:29:51,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:29:51,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:29:51,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:29:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:29:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:29:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:29:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:29:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:29:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:29:51,902 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:29:51,905 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:29:58,745 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 03:29:58,745 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:29:58,761 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:29:58,761 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:29:58,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:29:58 BoogieIcfgContainer [2024-11-14 03:29:58,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:29:58,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:29:58,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:29:58,773 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:29:58,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:29:51" (1/3) ... [2024-11-14 03:29:58,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a56f959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:29:58, skipping insertion in model container [2024-11-14 03:29:58,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:51" (2/3) ... [2024-11-14 03:29:58,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a56f959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:29:58, skipping insertion in model container [2024-11-14 03:29:58,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:29:58" (3/3) ... [2024-11-14 03:29:58,776 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-11.i [2024-11-14 03:29:58,796 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:29:58,798 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-11.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:29:58,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:29:58,886 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;@6da1f331, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:29:58,887 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:29:58,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 03:29:58,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-14 03:29:58,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:29:58,911 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:29:58,914 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:29:58,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:29:58,923 INFO L85 PathProgramCache]: Analyzing trace with hash -795705315, now seen corresponding path program 1 times [2024-11-14 03:29:58,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:29:58,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536391313] [2024-11-14 03:29:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:58,941 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 03:29:58,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:29:58,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/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 03:29:58,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/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 03:29:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:59,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:29:59,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:30:00,043 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-14 03:30:00,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:30:00,044 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:30:00,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536391313] [2024-11-14 03:30:00,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536391313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:30:00,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:30:00,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:30:00,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497860309] [2024-11-14 03:30:00,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:30:00,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:30:00,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:30:00,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:30:00,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:30:00,079 INFO L87 Difference]: Start difference. First operand has 57 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 03:30:00,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:30:00,111 INFO L93 Difference]: Finished difference Result 107 states and 183 transitions. [2024-11-14 03:30:00,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:30:00,113 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 119 [2024-11-14 03:30:00,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:30:00,123 INFO L225 Difference]: With dead ends: 107 [2024-11-14 03:30:00,123 INFO L226 Difference]: Without dead ends: 53 [2024-11-14 03:30:00,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 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 03:30:00,135 INFO L432 NwaCegarLoop]: 77 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, 77 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 03:30:00,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:30:00,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-14 03:30:00,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-14 03:30:00,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 03:30:00,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2024-11-14 03:30:00,188 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 119 [2024-11-14 03:30:00,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:30:00,188 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2024-11-14 03:30:00,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 03:30:00,189 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-11-14 03:30:00,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-14 03:30:00,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:30:00,194 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:30:00,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/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 03:30:00,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/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 03:30:00,395 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:30:00,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:30:00,396 INFO L85 PathProgramCache]: Analyzing trace with hash 2120098595, now seen corresponding path program 1 times [2024-11-14 03:30:00,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:30:00,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776584838] [2024-11-14 03:30:00,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:30:00,397 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 03:30:00,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:30:00,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/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 03:30:00,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2854a2-61ad-4225-babc-1430128769bb/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 03:30:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:30:01,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 03:30:01,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:30:12,351 WARN L851 $PredicateComparison]: unable to prove that (and (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_8~0) c_~var_1_2~0))) is different from false [2024-11-14 03:30:14,401 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_8~0) c_~var_1_2~0))) is different from true [2024-11-14 03:30:34,089 WARN L851 $PredicateComparison]: unable to prove that (and (= ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 16) c_~var_1_15~0)) ((_ zero_extend 16) c_~var_1_14~0))) c_~var_1_11~0) (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_8~0) c_~var_1_2~0))) is different from false [2024-11-14 03:30:36,150 WARN L873 $PredicateComparison]: unable to prove that (and (= ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 16) c_~var_1_15~0)) ((_ zero_extend 16) c_~var_1_14~0))) c_~var_1_11~0) (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_8~0) c_~var_1_2~0))) is different from true