./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-66.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_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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 5bd5cca21df4aa1338ec4823684c9c8d11b06db5173291e6873af7d02c692a8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:49:09,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:49:10,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:49:10,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:49:10,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:49:10,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:49:10,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:49:10,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:49:10,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:49:10,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:49:10,051 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:49:10,051 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:49:10,051 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:49:10,051 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:49:10,051 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:49:10,051 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:49:10,051 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:49:10,051 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:49:10,051 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:49:10,052 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:49:10,052 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:49:10,052 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:49:10,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:49:10,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:49:10,052 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:49:10,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:49:10,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:49:10,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:49:10,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:49:10,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:49:10,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:49:10,053 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:49:10,053 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:49:10,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:49:10,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:49:10,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:49:10,054 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:49:10,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:49:10,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:49:10,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:49:10,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:49:10,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:49:10,054 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:49:10,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:49:10,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:49:10,055 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:49:10,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:49:10,055 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_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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 -> 5bd5cca21df4aa1338ec4823684c9c8d11b06db5173291e6873af7d02c692a8c [2024-11-14 03:49:10,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:49:10,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:49:10,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:49:10,329 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:49:10,330 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:49:10,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-66.i Unable to find full path for "g++" [2024-11-14 03:49:12,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:49:12,529 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:49:12,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-66.i [2024-11-14 03:49:12,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/data/494851a3b/9e17eae2dbf34d728c5855b42d6eb40b/FLAG431aebeaf [2024-11-14 03:49:12,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/data/494851a3b/9e17eae2dbf34d728c5855b42d6eb40b [2024-11-14 03:49:12,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:49:12,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:49:12,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:49:12,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:49:12,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:49:12,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:49:12" (1/1) ... [2024-11-14 03:49:12,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dcfa026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:12, skipping insertion in model container [2024-11-14 03:49:12,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:49:12" (1/1) ... [2024-11-14 03:49:12,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:49:12,723 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_8f9aa9ed-2154-4509-8c97-e2d507c05aad/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-66.i[915,928] [2024-11-14 03:49:12,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:49:12,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:49:12,784 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_8f9aa9ed-2154-4509-8c97-e2d507c05aad/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-66.i[915,928] [2024-11-14 03:49:12,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:49:12,821 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:49:12,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:12 WrapperNode [2024-11-14 03:49:12,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:49:12,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:49:12,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:49:12,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:49:12,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:12" (1/1) ... [2024-11-14 03:49:12,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:12" (1/1) ... [2024-11-14 03:49:12,873 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2024-11-14 03:49:12,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:49:12,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:49:12,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:49:12,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:49:12,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:12" (1/1) ... [2024-11-14 03:49:12,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:12" (1/1) ... [2024-11-14 03:49:12,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:12" (1/1) ... [2024-11-14 03:49:12,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:12" (1/1) ... [2024-11-14 03:49:12,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:12" (1/1) ... [2024-11-14 03:49:12,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:12" (1/1) ... [2024-11-14 03:49:12,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:12" (1/1) ... [2024-11-14 03:49:12,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:12" (1/1) ... [2024-11-14 03:49:12,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:49:12,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:49:12,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:49:12,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:49:12,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:12" (1/1) ... [2024-11-14 03:49:12,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:49:12,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:49:12,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:49:12,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:49:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:49:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:49:12,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:49:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:49:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:49:12,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:49:13,076 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:49:13,078 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:49:13,409 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 03:49:13,409 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:49:13,537 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:49:13,537 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:49:13,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:49:13 BoogieIcfgContainer [2024-11-14 03:49:13,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:49:13,544 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:49:13,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:49:13,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:49:13,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:49:12" (1/3) ... [2024-11-14 03:49:13,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63432ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:49:13, skipping insertion in model container [2024-11-14 03:49:13,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:12" (2/3) ... [2024-11-14 03:49:13,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63432ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:49:13, skipping insertion in model container [2024-11-14 03:49:13,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:49:13" (3/3) ... [2024-11-14 03:49:13,556 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-66.i [2024-11-14 03:49:13,576 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:49:13,579 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-66.i that has 2 procedures, 33 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:49:13,644 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:49:13,660 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;@760a0600, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:49:13,662 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:49:13,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 03:49:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 03:49:13,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:13,676 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:49:13,677 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:13,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:13,683 INFO L85 PathProgramCache]: Analyzing trace with hash 359508726, now seen corresponding path program 1 times [2024-11-14 03:49:13,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:49:13,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715151135] [2024-11-14 03:49:13,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:13,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:49:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:49:13,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2061323040] [2024-11-14 03:49:13,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:13,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:49:13,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:49:13,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:49:13,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:49:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:49:14,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:49:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:49:14,494 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:49:14,497 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:49:14,498 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:49:14,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 03:49:14,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:49:14,709 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:49:14,767 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:49:14,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:49:14 BoogieIcfgContainer [2024-11-14 03:49:14,771 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:49:14,771 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:49:14,771 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:49:14,771 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:49:14,772 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:49:13" (3/4) ... [2024-11-14 03:49:14,774 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:49:14,775 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:49:14,776 INFO L158 Benchmark]: Toolchain (without parser) took 2216.22ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 72.8MB in the end (delta: 19.8MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-14 03:49:14,776 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:49:14,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.79ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:49:14,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.39ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 77.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:49:14,777 INFO L158 Benchmark]: Boogie Preprocessor took 46.67ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 76.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:49:14,778 INFO L158 Benchmark]: RCFGBuilder took 616.22ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 53.5MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 03:49:14,778 INFO L158 Benchmark]: TraceAbstraction took 1227.09ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 72.8MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:49:14,779 INFO L158 Benchmark]: Witness Printer took 3.59ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.8MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:49:14,781 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 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.79ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.39ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 77.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.67ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 76.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 616.22ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 53.5MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1227.09ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 72.8MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.59ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.8MB in the end (delta: 21.1kB). 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 76, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] unsigned short int var_1_4 = 4; [L24] unsigned short int var_1_7 = 10000; [L25] unsigned short int var_1_9 = 38382; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 100; [L29] double var_1_13 = 5.9; [L30] float var_1_15 = 9.375; [L31] double var_1_16 = 64.75; [L32] double var_1_17 = 99.5; [L33] float var_1_18 = 0.75; [L34] unsigned char last_1_var_1_10 = 0; [L35] double last_1_var_1_13 = 5.9; [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] CALL updateLastVariables() [L86] last_1_var_1_10 = var_1_10 [L87] last_1_var_1_13 = var_1_13 [L97] RET updateLastVariables() [L98] CALL updateVariables() [L60] var_1_4 = __VERIFIER_nondet_ushort() [L61] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_7=10000, var_1_9=38382] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_7=10000, var_1_9=38382] [L62] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=10000, var_1_9=38382] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=10000, var_1_9=38382] [L63] var_1_7 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_7 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=38382] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_7 >= 8191) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=38382] [L65] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=38382] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=38382] [L66] var_1_9 = __VERIFIER_nondet_ushort() [L67] CALL assume_abort_if_not(var_1_9 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_9 >= 32767) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L68] CALL assume_abort_if_not(var_1_9 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_9 <= 65534) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L69] var_1_11 = __VERIFIER_nondet_uchar() [L70] 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_13=59/10, var_1_10=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L71] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L72] var_1_12 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L74] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L75] var_1_15 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=59/10, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=59/10, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L77] var_1_16 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=59/10, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=59/10, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L79] var_1_17 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=59/10, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=59/10, var_1_18=3/4, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L81] var_1_18 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=59/10, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=59/10, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L83] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=59/10, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=59/10, var_1_1=8, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L98] RET updateVariables() [L99] CALL step() [L39] COND TRUE last_1_var_1_10 <= last_1_var_1_10 [L40] var_1_1 = (last_1_var_1_10 + ((last_1_var_1_10 + last_1_var_1_10) + (var_1_7 - last_1_var_1_10))) [L44] COND FALSE !(\read(var_1_11)) [L49] COND FALSE !((last_1_var_1_13 + var_1_15) < 16.75f) [L52] COND FALSE !((var_1_17 / var_1_18) <= 49.6) [L55] var_1_13 = var_1_16 [L99] RET step() [L100] CALL, EXPR property() [L90-L91] return (((last_1_var_1_10 <= last_1_var_1_10) ? (var_1_1 == ((unsigned short int) (last_1_var_1_10 + ((last_1_var_1_10 + last_1_var_1_10) + (var_1_7 - last_1_var_1_10))))) : (var_1_1 == ((unsigned short int) (var_1_9 - var_1_7)))) && (var_1_11 ? ((((var_1_4 % var_1_9) * var_1_1) >= var_1_7) ? (var_1_10 == ((unsigned char) var_1_12)) : 1) : 1)) && (((last_1_var_1_13 + var_1_15) < 16.75f) ? (var_1_13 == ((double) ((((((((2.625) > (var_1_16)) ? (2.625) : (var_1_16)))) < (var_1_17)) ? (((((2.625) > (var_1_16)) ? (2.625) : (var_1_16)))) : (var_1_17))))) : (((var_1_17 / var_1_18) <= 49.6) ? (var_1_13 == ((double) var_1_17)) : (var_1_13 == ((double) var_1_16)))) ; [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=2, var_1_16=2, var_1_17=3, var_1_1=8191, var_1_4=28274, var_1_7=8191, var_1_9=32767] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=2, var_1_16=2, var_1_17=3, var_1_1=8191, var_1_4=28274, var_1_7=8191, var_1_9=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 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 03:49:14,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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 5bd5cca21df4aa1338ec4823684c9c8d11b06db5173291e6873af7d02c692a8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:49:17,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:49:17,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:49:17,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:49:17,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:49:17,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:49:17,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:49:17,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:49:17,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:49:17,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:49:17,593 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:49:17,593 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:49:17,593 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:49:17,593 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:49:17,593 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:49:17,593 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:49:17,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:49:17,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:49:17,594 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:49:17,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:49:17,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:49:17,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:49:17,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:49:17,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:49:17,594 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:49:17,594 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:49:17,594 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:49:17,595 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:49:17,595 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:49:17,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:49:17,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:49:17,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:49:17,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:49:17,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:49:17,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:49:17,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:49:17,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:49:17,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:49:17,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:49:17,596 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:49:17,596 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:49:17,596 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:49:17,596 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:49:17,596 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_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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 -> 5bd5cca21df4aa1338ec4823684c9c8d11b06db5173291e6873af7d02c692a8c [2024-11-14 03:49:17,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:49:17,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:49:17,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:49:17,899 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:49:17,900 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:49:17,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-66.i Unable to find full path for "g++" [2024-11-14 03:49:19,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:49:20,055 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:49:20,056 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-66.i [2024-11-14 03:49:20,063 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/data/528ef2e2e/bd4b1cb0794b4453b33e4a913f7f9cfa/FLAG7bb41d809 [2024-11-14 03:49:20,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/data/528ef2e2e/bd4b1cb0794b4453b33e4a913f7f9cfa [2024-11-14 03:49:20,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:49:20,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:49:20,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:49:20,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:49:20,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:49:20,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:49:20" (1/1) ... [2024-11-14 03:49:20,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f55a45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:20, skipping insertion in model container [2024-11-14 03:49:20,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:49:20" (1/1) ... [2024-11-14 03:49:20,105 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:49:20,276 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_8f9aa9ed-2154-4509-8c97-e2d507c05aad/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-66.i[915,928] [2024-11-14 03:49:20,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:49:20,365 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:49:20,376 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_8f9aa9ed-2154-4509-8c97-e2d507c05aad/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-66.i[915,928] [2024-11-14 03:49:20,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:49:20,427 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:49:20,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:20 WrapperNode [2024-11-14 03:49:20,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:49:20,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:49:20,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:49:20,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:49:20,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:20" (1/1) ... [2024-11-14 03:49:20,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:20" (1/1) ... [2024-11-14 03:49:20,485 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2024-11-14 03:49:20,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:49:20,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:49:20,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:49:20,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:49:20,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:20" (1/1) ... [2024-11-14 03:49:20,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:20" (1/1) ... [2024-11-14 03:49:20,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:20" (1/1) ... [2024-11-14 03:49:20,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:20" (1/1) ... [2024-11-14 03:49:20,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:20" (1/1) ... [2024-11-14 03:49:20,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:20" (1/1) ... [2024-11-14 03:49:20,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:20" (1/1) ... [2024-11-14 03:49:20,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:20" (1/1) ... [2024-11-14 03:49:20,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:49:20,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:49:20,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:49:20,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:49:20,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:20" (1/1) ... [2024-11-14 03:49:20,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:49:20,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:49:20,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:49:20,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:49:20,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:49:20,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:49:20,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:49:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:49:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:49:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:49:20,694 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:49:20,696 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:49:27,801 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 03:49:27,801 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:49:27,812 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:49:27,812 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:49:27,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:49:27 BoogieIcfgContainer [2024-11-14 03:49:27,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:49:27,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:49:27,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:49:27,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:49:27,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:49:20" (1/3) ... [2024-11-14 03:49:27,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3604af5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:49:27, skipping insertion in model container [2024-11-14 03:49:27,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:20" (2/3) ... [2024-11-14 03:49:27,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3604af5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:49:27, skipping insertion in model container [2024-11-14 03:49:27,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:49:27" (3/3) ... [2024-11-14 03:49:27,824 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-66.i [2024-11-14 03:49:27,839 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:49:27,841 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-66.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:49:27,894 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:49:27,907 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;@66cad699, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:49:27,907 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:49:27,911 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 03:49:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-14 03:49:27,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:27,922 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:49:27,923 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:27,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:27,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1608660041, now seen corresponding path program 1 times [2024-11-14 03:49:27,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:49:27,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510405213] [2024-11-14 03:49:27,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:27,961 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 03:49:27,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:49:27,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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 03:49:27,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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 03:49:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:28,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:49:28,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:49:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-14 03:49:28,983 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:49:28,984 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:49:28,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510405213] [2024-11-14 03:49:28,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510405213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:49:28,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:49:28,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:49:28,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856569663] [2024-11-14 03:49:28,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:49:28,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:49:28,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:49:29,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:49:29,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:49:29,014 INFO L87 Difference]: Start difference. First operand has 48 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 03:49:29,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:49:29,036 INFO L93 Difference]: Finished difference Result 89 states and 149 transitions. [2024-11-14 03:49:29,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:49:29,039 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2024-11-14 03:49:29,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:49:29,045 INFO L225 Difference]: With dead ends: 89 [2024-11-14 03:49:29,045 INFO L226 Difference]: Without dead ends: 44 [2024-11-14 03:49:29,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 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 03:49:29,052 INFO L432 NwaCegarLoop]: 62 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, 62 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 03:49:29,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:49:29,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-14 03:49:29,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-14 03:49:29,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 03:49:29,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2024-11-14 03:49:29,109 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 96 [2024-11-14 03:49:29,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:49:29,110 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2024-11-14 03:49:29,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 03:49:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2024-11-14 03:49:29,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-14 03:49:29,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:29,116 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:49:29,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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 03:49:29,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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 03:49:29,317 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:29,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:29,318 INFO L85 PathProgramCache]: Analyzing trace with hash 619001987, now seen corresponding path program 1 times [2024-11-14 03:49:29,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:49:29,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1004607421] [2024-11-14 03:49:29,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:29,322 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 03:49:29,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:49:29,327 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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 03:49:29,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9aa9ed-2154-4509-8c97-e2d507c05aad/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 03:49:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:30,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 03:49:30,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:50:03,406 WARN L286 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:04:21,171 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse7 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (let ((.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse7))) (.cse6 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse8))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven .cse8)) (.cse0 (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32))) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven .cse7)) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 21.0 8.0))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 248.0 5.0)))) (or (and .cse0 (exists ((~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1) (fp.leq ~var_1_17~0 .cse2) (fp.lt .cse3 ~var_1_17~0)))) (and (exists ((~var_1_16~0 (_ FloatingPoint 11 53)) (~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (not (fp.lt .cse3 ~var_1_17~0)) (fp.lt ~var_1_16~0 ~var_1_17~0) (fp.geq ~var_1_16~0 .cse4) (not (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1)))) .cse0) (and .cse0 (exists ((~var_1_16~0 (_ FloatingPoint 11 53)) (~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.lt ~var_1_16~0 ~var_1_17~0) (not (fp.gt .cse3 ~var_1_16~0)) (fp.leq ~var_1_17~0 .cse2) (not (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1))))) (and .cse0 (exists ((~var_1_16~0 (_ FloatingPoint 11 53)) (~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1) (fp.geq ~var_1_17~0 .cse5) (fp.leq ~var_1_16~0 .cse6) (fp.eq ~var_1_17~0 ~var_1_16~0)))) (and (exists ((~var_1_16~0 (_ FloatingPoint 11 53)) (~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_16~0 .cse4) (fp.leq ~var_1_17~0 .cse2) (fp.eq ~var_1_17~0 ~var_1_16~0) (not (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1)))) .cse0) (and (exists ((~var_1_16~0 (_ FloatingPoint 11 53)) (~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_17~0 .cse5) (fp.leq ~var_1_16~0 .cse6) (fp.eq ~var_1_17~0 ~var_1_16~0) (not (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1)))) .cse0) (and .cse0 (exists ((~var_1_16~0 (_ FloatingPoint 11 53)) (~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (not (fp.lt .cse3 ~var_1_17~0)) (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1) (fp.lt ~var_1_16~0 ~var_1_17~0) (fp.geq ~var_1_16~0 .cse4)))) (and .cse0 (exists ((~var_1_16~0 (_ FloatingPoint 11 53)) (~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1) (fp.geq ~var_1_16~0 .cse4) (fp.leq ~var_1_17~0 .cse2) (fp.eq ~var_1_17~0 ~var_1_16~0)))) (and .cse0 (or (exists ((~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_17~0 .cse6) (fp.geq ~var_1_17~0 .cse5) (exists ((~var_1_16~0 (_ FloatingPoint 11 53))) (and (not (fp.lt ~var_1_16~0 ~var_1_17~0)) (fp.geq ~var_1_16~0 .cse4) (fp.leq ~var_1_16~0 .cse2))) (not (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1)))) (exists ((~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_17~0 .cse4) (exists ((~var_1_16~0 (_ FloatingPoint 11 53))) (and (not (fp.lt ~var_1_16~0 ~var_1_17~0)) (fp.leq ~var_1_16~0 .cse2) (not (fp.eq ~var_1_17~0 ~var_1_16~0)))) (fp.leq ~var_1_17~0 .cse2) (not (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1)))) (exists ((~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_17~0 .cse6) (exists ((~var_1_16~0 (_ FloatingPoint 11 53))) (and (not (fp.lt ~var_1_16~0 ~var_1_17~0)) (fp.leq ~var_1_16~0 .cse6) (not (fp.eq ~var_1_17~0 ~var_1_16~0)))) (fp.geq ~var_1_17~0 .cse5) (not (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1)))))) (and .cse0 (or (exists ((~var_1_16~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_16~0 .cse5) (fp.leq ~var_1_16~0 .cse6) (exists ((~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (not (fp.lt .cse3 ~var_1_17~0)) (fp.geq ~var_1_17~0 .cse4) (not (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1)))))) (exists ((~var_1_16~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_16~0 .cse5) (fp.leq ~var_1_16~0 .cse6) (exists ((~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_17~0 .cse6) (fp.lt ~var_1_16~0 ~var_1_17~0) (not (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1)))))))) (and (or (exists ((~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_17~0 .cse6) (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1) (fp.geq ~var_1_17~0 .cse5) (exists ((~var_1_16~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_16~0 .cse4) (fp.leq ~var_1_16~0 .cse2))))) (exists ((~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_17~0 .cse4) (exists ((~var_1_16~0 (_ FloatingPoint 11 53))) (and (not (fp.lt ~var_1_16~0 ~var_1_17~0)) (fp.leq ~var_1_16~0 .cse2) (not (fp.eq ~var_1_17~0 ~var_1_16~0)))) (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1) (fp.leq ~var_1_17~0 .cse2))) (exists ((~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_17~0 .cse6) (exists ((~var_1_16~0 (_ FloatingPoint 11 53))) (and (not (fp.lt ~var_1_16~0 ~var_1_17~0)) (fp.leq ~var_1_16~0 .cse6) (not (fp.eq ~var_1_17~0 ~var_1_16~0)))) (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1) (fp.geq ~var_1_17~0 .cse5)))) .cse0) (and .cse0 (exists ((~var_1_16~0 (_ FloatingPoint 11 53)) (~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1) (fp.lt ~var_1_16~0 ~var_1_17~0) (not (fp.gt .cse3 ~var_1_16~0)) (fp.leq ~var_1_17~0 .cse2)))) (and .cse0 (or (exists ((~var_1_16~0 (_ FloatingPoint 11 53))) (and (exists ((~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_17~0 .cse6) (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1) (fp.lt ~var_1_16~0 ~var_1_17~0))) (fp.geq ~var_1_16~0 .cse5) (fp.leq ~var_1_16~0 .cse6))) (exists ((~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (not (fp.lt .cse3 ~var_1_17~0)) (fp.geq ~var_1_17~0 .cse4) (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1))))) (and .cse0 (exists ((~var_1_17~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_17~0 .cse2) (fp.lt .cse3 ~var_1_17~0) (not (fp.leq (fp.div roundNearestTiesToEven ~var_1_17~0 ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_18~0)) .cse1)))))))) is different from false