./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-25.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_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/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_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/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_7b46d673-22d9-49a7-b700-50e7a4959fbd/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 461604c73933dd06f75b62fb0b06b9c470d35657206eb0d3e0ea6c08793184ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:48:38,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:48:38,516 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:48:38,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:48:38,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:48:38,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:48:38,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:48:38,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:48:38,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:48:38,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:48:38,551 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:48:38,551 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:48:38,551 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:48:38,551 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:48:38,551 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:48:38,551 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:48:38,552 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:48:38,552 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:48:38,552 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:48:38,552 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:48:38,552 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:48:38,553 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:48:38,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:48:38,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:48:38,553 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:48:38,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:48:38,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:48:38,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:48:38,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:48:38,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:48:38,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:48:38,555 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:48:38,555 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:48:38,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:48:38,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:48:38,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:48:38,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:48:38,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:48:38,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:48:38,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:48:38,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:48:38,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:48:38,557 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:48:38,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:48:38,557 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:48:38,557 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:48:38,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:48:38,557 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_7b46d673-22d9-49a7-b700-50e7a4959fbd/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 -> 461604c73933dd06f75b62fb0b06b9c470d35657206eb0d3e0ea6c08793184ae [2024-11-13 23:48:38,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:48:38,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:48:38,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:48:38,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:48:38,947 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:48:38,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-25.i Unable to find full path for "g++" [2024-11-13 23:48:41,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:48:41,475 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:48:41,476 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-25.i [2024-11-13 23:48:41,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/data/3d464f598/895dcdcb64d44790aedfe17e7cb20c7b/FLAG8d6c13381 [2024-11-13 23:48:41,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/data/3d464f598/895dcdcb64d44790aedfe17e7cb20c7b [2024-11-13 23:48:41,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:48:41,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:48:41,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:48:41,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:48:41,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:48:41,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:48:41" (1/1) ... [2024-11-13 23:48:41,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f3aae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:41, skipping insertion in model container [2024-11-13 23:48:41,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:48:41" (1/1) ... [2024-11-13 23:48:41,562 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:48:41,780 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_7b46d673-22d9-49a7-b700-50e7a4959fbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-25.i[915,928] [2024-11-13 23:48:41,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:48:41,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:48:41,920 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_7b46d673-22d9-49a7-b700-50e7a4959fbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-25.i[915,928] [2024-11-13 23:48:41,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:48:41,978 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:48:41,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:41 WrapperNode [2024-11-13 23:48:41,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:48:41,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:48:41,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:48:41,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:48:41,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:41" (1/1) ... [2024-11-13 23:48:41,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:41" (1/1) ... [2024-11-13 23:48:42,048 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2024-11-13 23:48:42,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:48:42,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:48:42,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:48:42,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:48:42,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:41" (1/1) ... [2024-11-13 23:48:42,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:41" (1/1) ... [2024-11-13 23:48:42,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:41" (1/1) ... [2024-11-13 23:48:42,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:41" (1/1) ... [2024-11-13 23:48:42,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:41" (1/1) ... [2024-11-13 23:48:42,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:41" (1/1) ... [2024-11-13 23:48:42,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:41" (1/1) ... [2024-11-13 23:48:42,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:41" (1/1) ... [2024-11-13 23:48:42,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:48:42,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:48:42,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:48:42,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:48:42,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:41" (1/1) ... [2024-11-13 23:48:42,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:48:42,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:48:42,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:48:42,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:48:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:48:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:48:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:48:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:48:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:48:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:48:42,277 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:48:42,279 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:48:42,719 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 23:48:42,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:48:42,969 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:48:42,969 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:48:42,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:48:42 BoogieIcfgContainer [2024-11-13 23:48:42,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:48:42,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:48:42,974 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:48:42,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:48:42,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:48:41" (1/3) ... [2024-11-13 23:48:42,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d772712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:48:42, skipping insertion in model container [2024-11-13 23:48:42,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:41" (2/3) ... [2024-11-13 23:48:42,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d772712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:48:42, skipping insertion in model container [2024-11-13 23:48:42,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:48:42" (3/3) ... [2024-11-13 23:48:42,984 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-25.i [2024-11-13 23:48:43,004 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:48:43,006 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-25.i that has 2 procedures, 29 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:48:43,109 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:48:43,128 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;@7ec2a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:48:43,128 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:48:43,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 23:48:43,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 23:48:43,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:48:43,146 INFO L215 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:48:43,147 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:48:43,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:48:43,153 INFO L85 PathProgramCache]: Analyzing trace with hash 922802693, now seen corresponding path program 1 times [2024-11-13 23:48:43,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:48:43,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410896907] [2024-11-13 23:48:43,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:43,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:48:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:48:43,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1715549212] [2024-11-13 23:48:43,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:43,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:48:43,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:48:43,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:48:43,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:48:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:48:43,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:48:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:48:43,890 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-13 23:48:43,893 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 23:48:43,894 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 23:48:43,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:48:44,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-13 23:48:44,104 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 23:48:44,160 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:48:44,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:48:44 BoogieIcfgContainer [2024-11-13 23:48:44,164 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:48:44,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:48:44,165 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:48:44,165 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:48:44,166 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:48:42" (3/4) ... [2024-11-13 23:48:44,168 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:48:44,169 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:48:44,171 INFO L158 Benchmark]: Toolchain (without parser) took 2657.64ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 56.6MB in the end (delta: 36.3MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-11-13 23:48:44,171 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:48:44,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.45ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 79.2MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:48:44,172 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.63ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:48:44,172 INFO L158 Benchmark]: Boogie Preprocessor took 64.12ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 75.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:48:44,173 INFO L158 Benchmark]: RCFGBuilder took 852.79ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 40.9MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:48:44,173 INFO L158 Benchmark]: TraceAbstraction took 1190.40ms. Allocated memory is still 117.4MB. Free memory was 40.4MB in the beginning and 56.6MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:48:44,174 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 117.4MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:48:44,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.45ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 79.2MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.63ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.12ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 75.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 852.79ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 40.9MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1190.40ms. Allocated memory is still 117.4MB. Free memory was 40.4MB in the beginning and 56.6MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 117.4MB. Free memory is still 56.6MB. 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 82, overapproximation of someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someBinaryFLOATComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -256; [L23] signed short int var_1_5 = -256; [L24] double var_1_7 = 256.25; [L25] double var_1_8 = 127.8; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] float var_1_12 = 999.75; [L29] float var_1_13 = 64.5; [L30] float var_1_14 = 127.25; [L31] signed char var_1_15 = -32; [L32] float var_1_16 = 32.7; [L33] unsigned char var_1_17 = 16; [L34] unsigned char var_1_18 = 32; [L35] unsigned short int var_1_19 = 5; [L36] signed long int var_1_21 = 100; [L37] signed short int var_1_22 = 50; [L38] double var_1_23 = 1000000.75; [L39] signed long int last_1_var_1_1 = -256; [L40] signed short int last_1_var_1_5 = -256; [L41] unsigned char last_1_var_1_10 = 0; [L42] unsigned short int last_1_var_1_19 = 5; [L43] signed short int last_1_var_1_22 = 50; [L135] isInitial = 1 [L136] FCALL initially() [L137] COND TRUE 1 [L138] CALL updateLastVariables() [L124] last_1_var_1_1 = var_1_1 [L125] last_1_var_1_5 = var_1_5 [L126] last_1_var_1_10 = var_1_10 [L127] last_1_var_1_19 = var_1_19 [L128] last_1_var_1_22 = var_1_22 [L138] RET updateLastVariables() [L139] CALL updateVariables() [L102] var_1_7 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256, var_1_8=639/5] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256, var_1_8=639/5] [L104] var_1_8 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L106] var_1_11 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L108] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L109] var_1_13 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L111] var_1_14 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L113] var_1_15 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L115] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L116] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L117] var_1_16 = __VERIFIER_nondet_float() [L118] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L119] var_1_18 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L121] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L139] RET updateVariables() [L140] CALL step() [L47] signed long int stepLocal_2 = last_1_var_1_5; [L48] unsigned char stepLocal_1 = last_1_var_1_10; [L49] signed long int stepLocal_0 = 256; [L50] COND FALSE !(stepLocal_1 && (last_1_var_1_5 >= last_1_var_1_1)) [L55] COND TRUE last_1_var_1_1 >= stepLocal_2 [L56] var_1_1 = last_1_var_1_5 [L61] var_1_10 = (last_1_var_1_10 && var_1_11) [L62] COND TRUE var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L63] COND FALSE !(\read(var_1_10)) [L67] var_1_22 = last_1_var_1_22 [L68] var_1_23 = var_1_14 [L69] unsigned char stepLocal_5 = var_1_10; [L70] unsigned char stepLocal_4 = var_1_18; [L71] COND TRUE var_1_22 < stepLocal_4 [L72] var_1_19 = last_1_var_1_19 [L80] var_1_21 = var_1_22 [L81] COND FALSE !(! (var_1_23 <= var_1_7)) [L84] COND TRUE (((((var_1_1) > (var_1_17)) ? (var_1_1) : (var_1_17))) / var_1_15) < var_1_19 [L85] var_1_12 = var_1_13 [L90] unsigned char stepLocal_3 = var_1_10; [L91] COND FALSE !(var_1_10 && stepLocal_3) [L94] COND FALSE !((var_1_7 - var_1_8) > var_1_12) [L97] var_1_5 = var_1_19 [L140] RET step() [L141] CALL, EXPR property() [L131-L132] return (((((((((last_1_var_1_10 && (last_1_var_1_5 >= last_1_var_1_1)) ? ((256 != last_1_var_1_5) ? (var_1_1 == ((signed long int) (last_1_var_1_1 + last_1_var_1_5))) : 1) : ((last_1_var_1_1 >= last_1_var_1_5) ? (var_1_1 == ((signed long int) last_1_var_1_5)) : (var_1_1 == ((signed long int) last_1_var_1_1)))) && ((var_1_10 && var_1_10) ? (var_1_5 == ((signed short int) ((((var_1_19) < (-100)) ? (var_1_19) : (-100))))) : (((var_1_7 - var_1_8) > var_1_12) ? (var_1_5 == ((signed short int) var_1_19)) : (var_1_5 == ((signed short int) var_1_19))))) && (var_1_10 == ((unsigned char) (last_1_var_1_10 && var_1_11)))) && ((! (var_1_23 <= var_1_7)) ? (var_1_12 == ((float) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))))) : (((((((var_1_1) > (var_1_17)) ? (var_1_1) : (var_1_17))) / var_1_15) < var_1_19) ? (var_1_12 == ((float) var_1_13)) : (var_1_12 == ((float) (var_1_16 + 49.6f)))))) && ((var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) ? (var_1_10 ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : 1)) && ((var_1_22 < var_1_18) ? (var_1_19 == ((unsigned short int) last_1_var_1_19)) : (((var_1_10 || var_1_10) || var_1_10) ? (var_1_19 == ((unsigned short int) last_1_var_1_19)) : (var_1_19 == ((unsigned short int) var_1_22))))) && (var_1_21 == ((signed long int) var_1_22))) && (var_1_22 == ((signed short int) last_1_var_1_22))) && (var_1_23 == ((double) var_1_14)) ; [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3, var_1_13=3, var_1_14=2, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=2, var_1_5=5] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3, var_1_13=3, var_1_14=2, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=2, var_1_5=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 12, 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=29occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 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 [2024-11-13 23:48:44,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/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_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/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_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/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_7b46d673-22d9-49a7-b700-50e7a4959fbd/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 461604c73933dd06f75b62fb0b06b9c470d35657206eb0d3e0ea6c08793184ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:48:47,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:48:47,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-13 23:48:47,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:48:47,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:48:47,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:48:47,491 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:48:47,491 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:48:47,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:48:47,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:48:47,495 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:48:47,495 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:48:47,495 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:48:47,495 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:48:47,495 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:48:47,495 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:48:47,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:48:47,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:48:47,496 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:48:47,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:48:47,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:48:47,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:48:47,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:48:47,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:48:47,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:48:47,497 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:48:47,497 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:48:47,497 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:48:47,497 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:48:47,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:48:47,497 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:48:47,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:48:47,498 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 23:48:47,498 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:48:47,498 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:48:47,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:48:47,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:48:47,498 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:48:47,498 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:48:47,498 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:48:47,498 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:48:47,499 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:48:47,502 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:48:47,502 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_7b46d673-22d9-49a7-b700-50e7a4959fbd/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 -> 461604c73933dd06f75b62fb0b06b9c470d35657206eb0d3e0ea6c08793184ae [2024-11-13 23:48:47,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:48:47,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:48:47,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:48:47,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:48:47,862 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:48:47,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-25.i Unable to find full path for "g++" [2024-11-13 23:48:49,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:48:50,222 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:48:50,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-25.i [2024-11-13 23:48:50,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/data/dfb797da5/0fe7b725c47a4aa392db16c94add4100/FLAG2552df76b [2024-11-13 23:48:50,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/data/dfb797da5/0fe7b725c47a4aa392db16c94add4100 [2024-11-13 23:48:50,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:48:50,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:48:50,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:48:50,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:48:50,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:48:50,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:48:50" (1/1) ... [2024-11-13 23:48:50,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1554418f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:50, skipping insertion in model container [2024-11-13 23:48:50,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:48:50" (1/1) ... [2024-11-13 23:48:50,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:48:50,515 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_7b46d673-22d9-49a7-b700-50e7a4959fbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-25.i[915,928] [2024-11-13 23:48:50,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:48:50,645 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:48:50,663 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_7b46d673-22d9-49a7-b700-50e7a4959fbd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-25.i[915,928] [2024-11-13 23:48:50,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:48:50,731 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:48:50,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:50 WrapperNode [2024-11-13 23:48:50,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:48:50,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:48:50,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:48:50,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:48:50,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:50" (1/1) ... [2024-11-13 23:48:50,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:50" (1/1) ... [2024-11-13 23:48:50,812 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-11-13 23:48:50,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:48:50,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:48:50,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:48:50,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:48:50,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:50" (1/1) ... [2024-11-13 23:48:50,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:50" (1/1) ... [2024-11-13 23:48:50,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:50" (1/1) ... [2024-11-13 23:48:50,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:50" (1/1) ... [2024-11-13 23:48:50,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:50" (1/1) ... [2024-11-13 23:48:50,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:50" (1/1) ... [2024-11-13 23:48:50,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:50" (1/1) ... [2024-11-13 23:48:50,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:50" (1/1) ... [2024-11-13 23:48:50,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:48:50,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:48:50,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:48:50,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:48:50,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:50" (1/1) ... [2024-11-13 23:48:50,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:48:50,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:48:50,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:48:50,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:48:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:48:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:48:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:48:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:48:50,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:48:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:48:51,095 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:48:51,098 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:48:53,227 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 23:48:53,227 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:48:53,240 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:48:53,240 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:48:53,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:48:53 BoogieIcfgContainer [2024-11-13 23:48:53,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:48:53,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:48:53,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:48:53,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:48:53,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:48:50" (1/3) ... [2024-11-13 23:48:53,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1281b1c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:48:53, skipping insertion in model container [2024-11-13 23:48:53,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:50" (2/3) ... [2024-11-13 23:48:53,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1281b1c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:48:53, skipping insertion in model container [2024-11-13 23:48:53,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:48:53" (3/3) ... [2024-11-13 23:48:53,253 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-25.i [2024-11-13 23:48:53,272 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:48:53,274 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-25.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:48:53,338 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:48:53,352 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;@37562825, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:48:53,352 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:48:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 23:48:53,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 23:48:53,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:48:53,370 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:48:53,371 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:48:53,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:48:53,378 INFO L85 PathProgramCache]: Analyzing trace with hash 2069789270, now seen corresponding path program 1 times [2024-11-13 23:48:53,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:48:53,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039995432] [2024-11-13 23:48:53,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:53,392 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 [2024-11-13 23:48:53,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:48:53,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/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) [2024-11-13 23:48:53,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/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 [2024-11-13 23:48:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:48:53,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:48:53,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:48:54,394 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-13 23:48:54,394 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:48:54,395 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:48:54,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039995432] [2024-11-13 23:48:54,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039995432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:48:54,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:48:54,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:48:54,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434163593] [2024-11-13 23:48:54,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:48:54,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:48:54,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:48:54,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:48:54,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:48:54,442 INFO L87 Difference]: Start difference. First operand has 54 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-13 23:48:55,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:48:55,172 INFO L93 Difference]: Finished difference Result 100 states and 162 transitions. [2024-11-13 23:48:55,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:48:55,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 87 [2024-11-13 23:48:55,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:48:55,190 INFO L225 Difference]: With dead ends: 100 [2024-11-13 23:48:55,191 INFO L226 Difference]: Without dead ends: 49 [2024-11-13 23:48:55,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:48:55,198 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 69 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:48:55,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 112 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 23:48:55,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-13 23:48:55,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-13 23:48:55,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 35 states have internal predecessors, (43), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 23:48:55,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 67 transitions. [2024-11-13 23:48:55,254 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 67 transitions. Word has length 87 [2024-11-13 23:48:55,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:48:55,257 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 67 transitions. [2024-11-13 23:48:55,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-13 23:48:55,258 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2024-11-13 23:48:55,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 23:48:55,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:48:55,265 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:48:55,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/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 [2024-11-13 23:48:55,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/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 [2024-11-13 23:48:55,466 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:48:55,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:48:55,467 INFO L85 PathProgramCache]: Analyzing trace with hash -781529390, now seen corresponding path program 1 times [2024-11-13 23:48:55,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:48:55,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154975913] [2024-11-13 23:48:55,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:55,468 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 [2024-11-13 23:48:55,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:48:55,472 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/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) [2024-11-13 23:48:55,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b46d673-22d9-49a7-b700-50e7a4959fbd/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 [2024-11-13 23:48:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:48:55,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 23:48:55,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:50:20,568 WARN L286 SmtUtils]: Spent 22.75s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)