./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-4.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_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/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_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/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_774e5a55-3683-4a3f-b496-b6fe539e29ac/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 1a27f3dd5282d1b8aeb72e5e43b5604ed9c1efbb0cf7709d96f524c66564cf9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:45:45,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:45:45,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 02:45:45,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:45:45,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:45:45,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:45:45,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:45:45,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:45:45,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:45:45,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:45:45,533 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:45:45,533 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:45:45,534 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:45:45,534 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:45:45,535 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:45:45,535 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:45:45,535 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:45:45,535 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:45:45,535 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:45:45,535 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:45:45,536 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:45:45,537 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:45:45,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:45:45,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:45:45,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:45:45,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:45:45,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:45:45,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:45:45,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:45:45,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:45:45,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:45:45,539 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:45:45,539 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:45:45,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:45:45,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:45:45,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:45:45,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:45:45,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:45:45,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:45:45,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:45:45,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:45:45,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:45:45,540 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:45:45,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:45:45,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:45:45,542 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:45:45,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:45:45,542 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_774e5a55-3683-4a3f-b496-b6fe539e29ac/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 -> 1a27f3dd5282d1b8aeb72e5e43b5604ed9c1efbb0cf7709d96f524c66564cf9f [2024-11-14 02:45:45,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:45:45,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:45:45,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:45:45,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:45:45,984 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:45:45,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-4.i Unable to find full path for "g++" [2024-11-14 02:45:48,317 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:45:48,701 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:45:48,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-4.i [2024-11-14 02:45:48,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/data/de9af8f6f/d7d2215e1f024b1b8f144dd90f81246c/FLAGc0854f4d7 [2024-11-14 02:45:48,729 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/data/de9af8f6f/d7d2215e1f024b1b8f144dd90f81246c [2024-11-14 02:45:48,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:45:48,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:45:48,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:45:48,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:45:48,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:45:48,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:45:48" (1/1) ... [2024-11-14 02:45:48,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b724104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:48, skipping insertion in model container [2024-11-14 02:45:48,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:45:48" (1/1) ... [2024-11-14 02:45:48,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:45:48,965 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_774e5a55-3683-4a3f-b496-b6fe539e29ac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-4.i[916,929] [2024-11-14 02:45:49,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:45:49,070 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:45:49,082 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_774e5a55-3683-4a3f-b496-b6fe539e29ac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-4.i[916,929] [2024-11-14 02:45:49,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:45:49,151 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:45:49,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49 WrapperNode [2024-11-14 02:45:49,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:45:49,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:45:49,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:45:49,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:45:49,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,236 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2024-11-14 02:45:49,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:45:49,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:45:49,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:45:49,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:45:49,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:45:49,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:45:49,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:45:49,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:45:49,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:45:49,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:45:49,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:45:49,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:45:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:45:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:45:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:45:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:45:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:45:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:45:49,501 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:45:49,504 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:45:50,037 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 02:45:50,037 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:45:50,310 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:45:50,310 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:45:50,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:50 BoogieIcfgContainer [2024-11-14 02:45:50,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:45:50,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:45:50,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:45:50,319 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:45:50,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:45:48" (1/3) ... [2024-11-14 02:45:50,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9f2e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:45:50, skipping insertion in model container [2024-11-14 02:45:50,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (2/3) ... [2024-11-14 02:45:50,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9f2e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:45:50, skipping insertion in model container [2024-11-14 02:45:50,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:50" (3/3) ... [2024-11-14 02:45:50,322 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-4.i [2024-11-14 02:45:50,345 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:45:50,347 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-4.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:45:50,429 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:45:50,453 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;@6e3057c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:45:50,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:45:50,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 02:45:50,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-14 02:45:50,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:45:50,474 INFO L215 NwaCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:45:50,475 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:45:50,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:45:50,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1348828927, now seen corresponding path program 1 times [2024-11-14 02:45:50,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:45:50,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100250049] [2024-11-14 02:45:50,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:50,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:45:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:45:51,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [681571296] [2024-11-14 02:45:51,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:51,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:45:51,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:45:51,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:45:51,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 02:45:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:45:51,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:45:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:45:51,668 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:45:51,671 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:45:51,673 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:45:51,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 02:45:51,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 02:45:51,882 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:45:52,039 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:45:52,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:45:52 BoogieIcfgContainer [2024-11-14 02:45:52,047 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:45:52,048 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:45:52,048 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:45:52,048 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:45:52,052 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:50" (3/4) ... [2024-11-14 02:45:52,055 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:45:52,058 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:45:52,060 INFO L158 Benchmark]: Toolchain (without parser) took 3327.47ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 54.9MB in the end (delta: 64.2MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2024-11-14 02:45:52,061 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:45:52,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.09ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 104.6MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:45:52,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.51ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 101.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:45:52,066 INFO L158 Benchmark]: Boogie Preprocessor took 54.45ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:45:52,067 INFO L158 Benchmark]: RCFGBuilder took 1019.00ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 110.7MB in the end (delta: -10.4MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-11-14 02:45:52,067 INFO L158 Benchmark]: TraceAbstraction took 1734.17ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 54.9MB in the end (delta: 55.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-14 02:45:52,068 INFO L158 Benchmark]: Witness Printer took 10.52ms. Allocated memory is still 142.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:45:52,073 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.09ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 104.6MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.51ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 101.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.45ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1019.00ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 110.7MB in the end (delta: -10.4MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1734.17ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 54.9MB in the end (delta: 55.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 10.52ms. Allocated memory is still 142.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 115, overapproximation of someBinaryDOUBLEComparisonOperation at line 117, overapproximation of someBinaryDOUBLEComparisonOperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned short int var_1_2 = 256; [L24] unsigned short int var_1_3 = 128; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 0; [L27] unsigned short int var_1_6 = 4; [L28] signed short int var_1_7 = 32; [L29] signed long int var_1_8 = 100000000; [L30] unsigned short int var_1_9 = 4; [L31] unsigned short int var_1_10 = 10; [L32] double var_1_11 = 15.6; [L33] double var_1_12 = 256.4; [L34] double var_1_13 = 49.15; [L35] unsigned long int var_1_14 = 500; [L36] unsigned long int var_1_15 = 2173307753; [L37] unsigned long int var_1_16 = 3362224480; [L38] signed short int var_1_17 = 16; [L39] unsigned short int var_1_18 = 16; [L40] signed short int var_1_19 = 16; [L41] signed short int var_1_20 = 4; [L42] signed short int var_1_21 = 0; [L43] signed short int var_1_22 = -25; [L147] isInitial = 1 [L148] FCALL initially() [L149] COND TRUE 1 [L150] FCALL updateLastVariables() [L151] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=128, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=128, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L95] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=128, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=128, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L96] var_1_3 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L98] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L99] var_1_4 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L101] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L102] var_1_5 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L104] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L105] var_1_7 = __VERIFIER_nondet_short() [L106] CALL assume_abort_if_not(var_1_7 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_7 >= -32768) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=100000000, var_1_9=4] [L107] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=100000000, var_1_9=4] [L108] var_1_8 = __VERIFIER_nondet_long() [L109] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L110] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L111] var_1_10 = __VERIFIER_nondet_ushort() [L112] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L113] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L114] var_1_12 = __VERIFIER_nondet_double() [L115] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L116] var_1_13 = __VERIFIER_nondet_double() [L117] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L118] var_1_15 = __VERIFIER_nondet_ulong() [L119] CALL assume_abort_if_not(var_1_15 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_15 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L120] CALL assume_abort_if_not(var_1_15 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_15 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L121] var_1_16 = __VERIFIER_nondet_ulong() [L122] CALL assume_abort_if_not(var_1_16 >= 3221225470) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_16 >= 3221225470) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L123] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L124] var_1_18 = __VERIFIER_nondet_ushort() [L125] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L126] CALL assume_abort_if_not(var_1_18 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_18 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L127] var_1_19 = __VERIFIER_nondet_short() [L128] CALL assume_abort_if_not(var_1_19 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_19 >= -16383) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L129] CALL assume_abort_if_not(var_1_19 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_19 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L130] var_1_20 = __VERIFIER_nondet_short() [L131] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L132] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L133] var_1_21 = __VERIFIER_nondet_short() [L134] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L135] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L136] var_1_22 = __VERIFIER_nondet_short() [L137] CALL assume_abort_if_not(var_1_22 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_22 >= -16383) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L138] CALL assume_abort_if_not(var_1_22 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_22 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=4] [L151] RET updateVariables() [L152] CALL step() [L47] COND TRUE var_1_2 <= var_1_3 [L48] COND FALSE !((- var_1_3) > var_1_2) [L54] signed long int stepLocal_0 = var_1_8; [L55] COND FALSE !(\read(var_1_5)) [L60] unsigned short int stepLocal_2 = var_1_3; [L61] unsigned char stepLocal_1 = var_1_4; [L62] COND FALSE !(stepLocal_1 || var_1_1) [L65] COND TRUE var_1_7 >= stepLocal_2 [L66] var_1_9 = var_1_10 [L71] COND TRUE var_1_6 <= var_1_2 [L72] COND TRUE ! var_1_1 [L73] var_1_11 = (var_1_12 - var_1_13) [L78] unsigned short int stepLocal_3 = var_1_6; [L79] COND FALSE !(stepLocal_3 >= var_1_3) [L82] unsigned char stepLocal_5 = var_1_1; [L83] unsigned char stepLocal_4 = var_1_5 && (var_1_12 < var_1_13); [L84] COND FALSE !(var_1_1 && stepLocal_4) [L152] RET step() [L153] CALL, EXPR property() [L143-L144] return ((((((var_1_2 <= var_1_3) ? (((- var_1_3) > var_1_2) ? (var_1_1 == ((unsigned char) 0)) : 1) : (var_1_1 == ((unsigned char) (var_1_4 || var_1_5)))) && (var_1_5 ? (((var_1_2 * (var_1_3 + var_1_7)) > var_1_8) ? (var_1_6 == ((unsigned short int) 256)) : 1) : 1)) && ((var_1_4 || var_1_1) ? (var_1_9 == ((unsigned short int) ((((32) < (var_1_10)) ? (32) : (var_1_10))))) : ((var_1_7 >= var_1_3) ? (var_1_9 == ((unsigned short int) var_1_10)) : (var_1_9 == ((unsigned short int) var_1_10))))) && ((var_1_6 <= var_1_2) ? ((! var_1_1) ? (var_1_11 == ((double) (var_1_12 - var_1_13))) : 1) : (var_1_11 == ((double) var_1_12)))) && ((var_1_6 >= var_1_3) ? (var_1_14 == ((unsigned long int) (((((var_1_15) > ((var_1_16 - var_1_10))) ? (var_1_15) : ((var_1_16 - var_1_10)))) - var_1_2))) : 1)) && ((var_1_1 && (var_1_5 && (var_1_12 < var_1_13))) ? ((var_1_1 || (var_1_9 >= ((((var_1_18) > (var_1_7)) ? (var_1_18) : (var_1_7))))) ? (var_1_17 == ((signed short int) (((((((((var_1_19) > (256)) ? (var_1_19) : (256))) + (var_1_20 - var_1_21))) < ((var_1_22 + 64))) ? ((((((var_1_19) > (256)) ? (var_1_19) : (256))) + (var_1_20 - var_1_21))) : ((var_1_22 + 64)))))) : (var_1_17 == ((signed short int) var_1_19))) : 1) ; [L153] RET, EXPR property() [L153] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_18=0, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_2=4, var_1_3=5, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=500, var_1_15=-2147483649, var_1_16=3221225470, var_1_17=16, var_1_18=0, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_2=4, var_1_3=5, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=5, var_1_8=-2147483648, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 30, 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=55occurred 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 02:45:52,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/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_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/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_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/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_774e5a55-3683-4a3f-b496-b6fe539e29ac/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 1a27f3dd5282d1b8aeb72e5e43b5604ed9c1efbb0cf7709d96f524c66564cf9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:45:55,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:45:55,522 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 02:45:55,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:45:55,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:45:55,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:45:55,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:45:55,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:45:55,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:45:55,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:45:55,604 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:45:55,604 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:45:55,604 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:45:55,604 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:45:55,604 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:45:55,605 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:45:55,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:45:55,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:45:55,605 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:45:55,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:45:55,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:45:55,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:45:55,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:45:55,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:45:55,607 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:45:55,607 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:45:55,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:45:55,608 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:45:55,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:45:55,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:45:55,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:45:55,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:45:55,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:45:55,609 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:45:55,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:45:55,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:45:55,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:45:55,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:45:55,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:45:55,610 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:45:55,610 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:45:55,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:45:55,610 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:45:55,610 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_774e5a55-3683-4a3f-b496-b6fe539e29ac/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 -> 1a27f3dd5282d1b8aeb72e5e43b5604ed9c1efbb0cf7709d96f524c66564cf9f [2024-11-14 02:45:55,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:45:55,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:45:55,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:45:55,987 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:45:55,988 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:45:55,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-4.i Unable to find full path for "g++" [2024-11-14 02:45:58,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:45:58,573 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:45:58,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-4.i [2024-11-14 02:45:58,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/data/3e3be5557/931cdb2b1c734b8797985e8eb91b943c/FLAGf11ba6671 [2024-11-14 02:45:58,614 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/data/3e3be5557/931cdb2b1c734b8797985e8eb91b943c [2024-11-14 02:45:58,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:45:58,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:45:58,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:45:58,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:45:58,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:45:58,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:45:58" (1/1) ... [2024-11-14 02:45:58,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1336b83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:58, skipping insertion in model container [2024-11-14 02:45:58,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:45:58" (1/1) ... [2024-11-14 02:45:58,659 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:45:58,872 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_774e5a55-3683-4a3f-b496-b6fe539e29ac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-4.i[916,929] [2024-11-14 02:45:59,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:45:59,027 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:45:59,044 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_774e5a55-3683-4a3f-b496-b6fe539e29ac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-4.i[916,929] [2024-11-14 02:45:59,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:45:59,140 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:45:59,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:59 WrapperNode [2024-11-14 02:45:59,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:45:59,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:45:59,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:45:59,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:45:59,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:59" (1/1) ... [2024-11-14 02:45:59,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:59" (1/1) ... [2024-11-14 02:45:59,210 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 161 [2024-11-14 02:45:59,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:45:59,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:45:59,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:45:59,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:45:59,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:59" (1/1) ... [2024-11-14 02:45:59,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:59" (1/1) ... [2024-11-14 02:45:59,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:59" (1/1) ... [2024-11-14 02:45:59,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:59" (1/1) ... [2024-11-14 02:45:59,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:59" (1/1) ... [2024-11-14 02:45:59,243 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:59" (1/1) ... [2024-11-14 02:45:59,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:59" (1/1) ... [2024-11-14 02:45:59,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:59" (1/1) ... [2024-11-14 02:45:59,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:45:59,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:45:59,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:45:59,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:45:59,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:59" (1/1) ... [2024-11-14 02:45:59,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:45:59,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:45:59,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:45:59,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:45:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:45:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:45:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:45:59,339 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:45:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:45:59,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:45:59,489 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:45:59,491 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:46:00,489 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 02:46:00,490 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:46:00,510 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:46:00,510 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:46:00,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:46:00 BoogieIcfgContainer [2024-11-14 02:46:00,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:46:00,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:46:00,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:46:00,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:46:00,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:45:58" (1/3) ... [2024-11-14 02:46:00,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ffe41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:46:00, skipping insertion in model container [2024-11-14 02:46:00,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:59" (2/3) ... [2024-11-14 02:46:00,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ffe41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:46:00, skipping insertion in model container [2024-11-14 02:46:00,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:46:00" (3/3) ... [2024-11-14 02:46:00,524 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-4.i [2024-11-14 02:46:00,543 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:46:00,545 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-4.i that has 2 procedures, 80 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:46:00,635 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:46:00,654 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;@5cc2db43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:46:00,654 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:46:00,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 48 states have internal predecessors, (63), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 02:46:00,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-14 02:46:00,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:00,679 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:00,679 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:00,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:00,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1500807448, now seen corresponding path program 1 times [2024-11-14 02:46:00,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:46:00,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1983716711] [2024-11-14 02:46:00,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:00,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:46:00,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:46:00,715 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:46:00,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 02:46:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:01,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 02:46:01,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:01,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-11-14 02:46:01,219 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:46:01,220 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:46:01,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1983716711] [2024-11-14 02:46:01,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1983716711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:46:01,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:46:01,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:46:01,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997521176] [2024-11-14 02:46:01,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:46:01,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:46:01,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:46:01,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:46:01,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:46:01,260 INFO L87 Difference]: Start difference. First operand has 80 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 48 states have internal predecessors, (63), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-14 02:46:01,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:01,300 INFO L93 Difference]: Finished difference Result 153 states and 270 transitions. [2024-11-14 02:46:01,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:46:01,302 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 185 [2024-11-14 02:46:01,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:01,313 INFO L225 Difference]: With dead ends: 153 [2024-11-14 02:46:01,314 INFO L226 Difference]: Without dead ends: 76 [2024-11-14 02:46:01,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:46:01,325 INFO L432 NwaCegarLoop]: 115 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, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:01,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:46:01,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-14 02:46:01,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-14 02:46:01,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 44 states have (on average 1.25) internal successors, (55), 44 states have internal predecessors, (55), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 02:46:01,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 115 transitions. [2024-11-14 02:46:01,408 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 115 transitions. Word has length 185 [2024-11-14 02:46:01,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:01,409 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 115 transitions. [2024-11-14 02:46:01,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-14 02:46:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 115 transitions. [2024-11-14 02:46:01,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-14 02:46:01,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:01,416 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:01,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 02:46:01,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:46:01,617 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:01,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:01,618 INFO L85 PathProgramCache]: Analyzing trace with hash 290042012, now seen corresponding path program 1 times [2024-11-14 02:46:01,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:46:01,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827292640] [2024-11-14 02:46:01,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:01,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:46:01,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:46:01,622 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:46:01,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 02:46:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:02,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 02:46:02,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 635 proven. 135 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-11-14 02:46:03,927 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:46:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 33 proven. 138 refuted. 0 times theorem prover too weak. 1569 trivial. 0 not checked. [2024-11-14 02:46:05,153 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:46:05,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827292640] [2024-11-14 02:46:05,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827292640] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:46:05,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1671067325] [2024-11-14 02:46:05,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:05,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 02:46:05,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 02:46:05,160 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 02:46:05,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 02:46:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:06,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 02:46:06,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:07,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 519 proven. 72 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2024-11-14 02:46:07,123 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:46:07,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 02:46:07,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1671067325] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:46:07,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074591472] [2024-11-14 02:46:07,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:07,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:46:07,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:46:07,841 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:46:07,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 02:46:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:08,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 02:46:08,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 519 proven. 72 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2024-11-14 02:46:08,804 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:46:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 02:46:09,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074591472] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:46:09,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 02:46:09,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 8, 8, 8, 8] total 18 [2024-11-14 02:46:09,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897693761] [2024-11-14 02:46:09,399 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 02:46:09,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 02:46:09,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:46:09,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 02:46:09,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2024-11-14 02:46:09,404 INFO L87 Difference]: Start difference. First operand 76 states and 115 transitions. Second operand has 18 states, 18 states have (on average 4.333333333333333) internal successors, (78), 18 states have internal predecessors, (78), 3 states have call successors, (98), 3 states have call predecessors, (98), 7 states have return successors, (101), 3 states have call predecessors, (101), 3 states have call successors, (101) [2024-11-14 02:46:12,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:12,447 INFO L93 Difference]: Finished difference Result 190 states and 274 transitions. [2024-11-14 02:46:12,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-14 02:46:12,448 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.333333333333333) internal successors, (78), 18 states have internal predecessors, (78), 3 states have call successors, (98), 3 states have call predecessors, (98), 7 states have return successors, (101), 3 states have call predecessors, (101), 3 states have call successors, (101) Word has length 185 [2024-11-14 02:46:12,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:12,453 INFO L225 Difference]: With dead ends: 190 [2024-11-14 02:46:12,453 INFO L226 Difference]: Without dead ends: 117 [2024-11-14 02:46:12,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1114 GetRequests, 1082 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2024-11-14 02:46:12,456 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 192 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:12,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 513 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-14 02:46:12,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-14 02:46:12,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 108. [2024-11-14 02:46:12,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 69 states have (on average 1.173913043478261) internal successors, (81), 70 states have internal predecessors, (81), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-14 02:46:12,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 149 transitions. [2024-11-14 02:46:12,497 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 149 transitions. Word has length 185 [2024-11-14 02:46:12,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:12,498 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 149 transitions. [2024-11-14 02:46:12,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.333333333333333) internal successors, (78), 18 states have internal predecessors, (78), 3 states have call successors, (98), 3 states have call predecessors, (98), 7 states have return successors, (101), 3 states have call predecessors, (101), 3 states have call successors, (101) [2024-11-14 02:46:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 149 transitions. [2024-11-14 02:46:12,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-14 02:46:12,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:12,506 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:12,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 02:46:12,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 02:46:12,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/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)] Ended with exit code 0 [2024-11-14 02:46:13,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:46:13,107 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:13,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:13,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1777225145, now seen corresponding path program 1 times [2024-11-14 02:46:13,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:46:13,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271096982] [2024-11-14 02:46:13,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:13,109 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:46:13,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:46:13,113 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:46:13,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 02:46:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:13,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 02:46:13,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 519 proven. 72 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2024-11-14 02:46:14,955 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:46:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 02:46:15,815 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:46:15,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271096982] [2024-11-14 02:46:15,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271096982] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:46:15,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [869171503] [2024-11-14 02:46:15,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:15,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 02:46:15,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 02:46:15,820 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 02:46:15,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-14 02:46:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:16,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 02:46:16,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:18,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 519 proven. 72 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2024-11-14 02:46:18,019 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:46:18,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 02:46:18,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [869171503] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:46:18,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729043138] [2024-11-14 02:46:18,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:18,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:46:18,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:46:18,764 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:46:18,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 02:46:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:18,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 02:46:18,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:20,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 519 proven. 72 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2024-11-14 02:46:20,274 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:46:20,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 02:46:20,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729043138] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:46:20,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 02:46:20,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6, 7, 6, 7] total 9 [2024-11-14 02:46:20,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38770508] [2024-11-14 02:46:20,899 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 02:46:20,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 02:46:20,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:46:20,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 02:46:20,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-14 02:46:20,905 INFO L87 Difference]: Start difference. First operand 108 states and 149 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2024-11-14 02:46:22,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:22,285 INFO L93 Difference]: Finished difference Result 226 states and 304 transitions. [2024-11-14 02:46:22,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 02:46:22,287 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 186 [2024-11-14 02:46:22,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:22,290 INFO L225 Difference]: With dead ends: 226 [2024-11-14 02:46:22,290 INFO L226 Difference]: Without dead ends: 121 [2024-11-14 02:46:22,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1116 GetRequests, 1100 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=134, Unknown=0, NotChecked=0, Total=210 [2024-11-14 02:46:22,296 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 68 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:22,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 247 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-14 02:46:22,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-14 02:46:22,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 86. [2024-11-14 02:46:22,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 51 states have internal predecessors, (56), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 02:46:22,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 116 transitions. [2024-11-14 02:46:22,331 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 116 transitions. Word has length 186 [2024-11-14 02:46:22,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:22,338 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 116 transitions. [2024-11-14 02:46:22,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2024-11-14 02:46:22,339 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 116 transitions. [2024-11-14 02:46:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-14 02:46:22,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:22,346 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:22,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-14 02:46:22,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-14 02:46:22,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 02:46:22,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:46:22,948 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:22,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:22,948 INFO L85 PathProgramCache]: Analyzing trace with hash -2019772477, now seen corresponding path program 1 times [2024-11-14 02:46:22,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:46:22,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348834410] [2024-11-14 02:46:22,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:22,949 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:46:22,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:46:22,951 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:46:22,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774e5a55-3683-4a3f-b496-b6fe539e29ac/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-14 02:46:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:23,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 02:46:23,201 INFO L278 TraceCheckSpWp]: Computing forward predicates...