./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/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_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/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_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/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 57396a3f6522baf465f10477ff1b4f4e1deccf80d42129ee9d03d8e74cd20ef5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:04:20,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:04:20,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:04:20,591 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:04:20,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:04:20,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:04:20,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:04:20,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:04:20,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:04:20,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:04:20,621 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:04:20,621 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:04:20,621 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:04:20,622 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:04:20,622 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:04:20,622 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:04:20,622 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:04:20,622 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:04:20,622 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:04:20,623 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:04:20,623 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:04:20,623 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:04:20,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:04:20,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:04:20,624 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:04:20,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:04:20,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:04:20,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:04:20,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:04:20,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:04:20,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:04:20,626 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:04:20,626 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:04:20,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:04:20,626 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:04:20,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:04:20,627 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:04:20,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:04:20,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:04:20,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:04:20,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:04:20,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:04:20,628 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:04:20,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:04:20,628 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:04:20,628 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:04:20,629 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:04:20,629 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_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/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 -> 57396a3f6522baf465f10477ff1b4f4e1deccf80d42129ee9d03d8e74cd20ef5 [2024-11-14 04:04:21,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:04:21,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:04:21,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:04:21,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:04:21,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:04:21,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i Unable to find full path for "g++" [2024-11-14 04:04:23,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:04:23,693 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:04:23,695 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i [2024-11-14 04:04:23,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/data/53c80ebf7/a19c840641594676ad3ec63a0118582f/FLAG24d7450d5 [2024-11-14 04:04:23,737 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/data/53c80ebf7/a19c840641594676ad3ec63a0118582f [2024-11-14 04:04:23,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:04:23,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:04:23,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:04:23,746 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:04:23,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:04:23,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:04:23" (1/1) ... [2024-11-14 04:04:23,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77416a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:23, skipping insertion in model container [2024-11-14 04:04:23,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:04:23" (1/1) ... [2024-11-14 04:04:23,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:04:24,007 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_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i[915,928] [2024-11-14 04:04:24,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:04:24,114 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:04:24,129 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_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i[915,928] [2024-11-14 04:04:24,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:04:24,214 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:04:24,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:24 WrapperNode [2024-11-14 04:04:24,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:04:24,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:04:24,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:04:24,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:04:24,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:24" (1/1) ... [2024-11-14 04:04:24,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:24" (1/1) ... [2024-11-14 04:04:24,302 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-14 04:04:24,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:04:24,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:04:24,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:04:24,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:04:24,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:24" (1/1) ... [2024-11-14 04:04:24,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:24" (1/1) ... [2024-11-14 04:04:24,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:24" (1/1) ... [2024-11-14 04:04:24,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:24" (1/1) ... [2024-11-14 04:04:24,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:24" (1/1) ... [2024-11-14 04:04:24,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:24" (1/1) ... [2024-11-14 04:04:24,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:24" (1/1) ... [2024-11-14 04:04:24,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:24" (1/1) ... [2024-11-14 04:04:24,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:04:24,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:04:24,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:04:24,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:04:24,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:24" (1/1) ... [2024-11-14 04:04:24,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:04:24,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:04:24,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:04:24,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:04:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:04:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:04:24,448 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:04:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:04:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:04:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:04:24,545 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:04:24,547 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:04:24,992 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-14 04:04:24,993 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:04:25,145 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:04:25,145 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:04:25,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:04:25 BoogieIcfgContainer [2024-11-14 04:04:25,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:04:25,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:04:25,150 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:04:25,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:04:25,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:04:23" (1/3) ... [2024-11-14 04:04:25,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54414e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:04:25, skipping insertion in model container [2024-11-14 04:04:25,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:24" (2/3) ... [2024-11-14 04:04:25,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54414e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:04:25, skipping insertion in model container [2024-11-14 04:04:25,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:04:25" (3/3) ... [2024-11-14 04:04:25,160 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-66.i [2024-11-14 04:04:25,179 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:04:25,181 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-66.i that has 2 procedures, 33 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:04:25,264 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:04:25,281 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;@65921a3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:04:25,282 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:04:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 04:04:25,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 04:04:25,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:04:25,298 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:04:25,298 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:04:25,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:04:25,304 INFO L85 PathProgramCache]: Analyzing trace with hash 359508726, now seen corresponding path program 1 times [2024-11-14 04:04:25,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:04:25,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831092153] [2024-11-14 04:04:25,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:04:25,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:04:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:04:25,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [471559080] [2024-11-14 04:04:25,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:04:25,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:04:25,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:04:25,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:04:25,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:04:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:04:26,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:04:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:04:26,243 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:04:26,246 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:04:26,247 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:04:26,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:04:26,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:04:26,458 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:04:26,541 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:04:26,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:04:26 BoogieIcfgContainer [2024-11-14 04:04:26,545 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:04:26,546 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:04:26,546 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:04:26,546 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:04:26,547 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:04:25" (3/4) ... [2024-11-14 04:04:26,550 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:04:26,551 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:04:26,552 INFO L158 Benchmark]: Toolchain (without parser) took 2808.81ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 96.4MB in the end (delta: 4.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-11-14 04:04:26,553 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:04:26,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.78ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 88.0MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:04:26,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.68ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 85.4MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:04:26,554 INFO L158 Benchmark]: Boogie Preprocessor took 61.71ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 84.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:04:26,555 INFO L158 Benchmark]: RCFGBuilder took 781.11ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 60.9MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:04:26,556 INFO L158 Benchmark]: TraceAbstraction took 1395.69ms. Allocated memory is still 142.6MB. Free memory was 60.2MB in the beginning and 96.5MB in the end (delta: -36.3MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-11-14 04:04:26,556 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 96.4MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:04:26,559 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.78ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 88.0MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.68ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 85.4MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.71ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 84.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 781.11ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 60.9MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1395.69ms. Allocated memory is still 142.6MB. Free memory was 60.2MB in the beginning and 96.5MB in the end (delta: -36.3MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 96.4MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 78. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] unsigned short int var_1_4 = 4; [L24] unsigned short int var_1_7 = 10000; [L25] unsigned short int var_1_9 = 38382; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 100; [L29] double var_1_13 = 5.9; [L30] float var_1_15 = 9.375; [L31] double var_1_16 = 64.75; [L32] double var_1_17 = 99.5; [L33] float var_1_18 = 0.75; [L34] unsigned char last_1_var_1_10 = 0; [L35] double last_1_var_1_13 = 5.9; [L94] isInitial = 1 [L95] FCALL initially() [L96] int k_loop; [L97] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=4, var_1_7=10000, var_1_9=38382] [L97] COND TRUE k_loop < 1 [L98] CALL updateLastVariables() [L86] last_1_var_1_10 = var_1_10 [L87] last_1_var_1_13 = var_1_13 [L98] RET updateLastVariables() [L99] CALL updateVariables() [L60] var_1_4 = __VERIFIER_nondet_ushort() [L61] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_7=10000, var_1_9=38382] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_7=10000, var_1_9=38382] [L62] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=10000, var_1_9=38382] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=10000, var_1_9=38382] [L63] var_1_7 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_7 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=38382] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_7 >= 8191) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=38382] [L65] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=38382] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=38382] [L66] var_1_9 = __VERIFIER_nondet_ushort() [L67] CALL assume_abort_if_not(var_1_9 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_9 >= 32767) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L68] CALL assume_abort_if_not(var_1_9 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_9 <= 65534) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L69] var_1_11 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L71] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L72] var_1_12 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L74] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L75] var_1_15 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L77] var_1_16 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L79] var_1_17 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L81] var_1_18 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L83] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=8191, var_1_9=32767] [L99] RET updateVariables() [L100] CALL step() [L39] COND TRUE last_1_var_1_10 <= last_1_var_1_10 [L40] var_1_1 = (last_1_var_1_10 + ((last_1_var_1_10 + last_1_var_1_10) + (var_1_7 - last_1_var_1_10))) [L44] COND FALSE !(\read(var_1_11)) [L49] COND TRUE (last_1_var_1_13 + var_1_15) < 16.75f [L50] var_1_13 = ((((((((2.625) > (var_1_16)) ? (2.625) : (var_1_16)))) < (var_1_17)) ? (((((2.625) > (var_1_16)) ? (2.625) : (var_1_16)))) : (var_1_17))) [L100] RET step() [L101] CALL, EXPR property() [L90-L91] return (((last_1_var_1_10 <= last_1_var_1_10) ? (var_1_1 == ((unsigned short int) (last_1_var_1_10 + ((last_1_var_1_10 + last_1_var_1_10) + (var_1_7 - last_1_var_1_10))))) : (var_1_1 == ((unsigned short int) (var_1_9 - var_1_7)))) && (var_1_11 ? ((((var_1_4 % var_1_9) * var_1_1) >= var_1_7) ? (var_1_10 == ((unsigned char) var_1_12)) : 1) : 1)) && (((last_1_var_1_13 + var_1_15) < 16.75f) ? (var_1_13 == ((double) ((((((((2.625) > (var_1_16)) ? (2.625) : (var_1_16)))) < (var_1_17)) ? (((((2.625) > (var_1_16)) ? (2.625) : (var_1_16)))) : (var_1_17))))) : (((var_1_17 / var_1_18) <= 49.6) ? (var_1_13 == ((double) var_1_17)) : (var_1_13 == ((double) var_1_16)))) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=21/8, var_1_16=2, var_1_17=3, var_1_1=8191, var_1_4=0, var_1_7=8191, var_1_9=32767] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=21/8, var_1_16=2, var_1_17=3, var_1_1=8191, var_1_4=0, var_1_7=8191, var_1_9=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:04:26,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/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_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/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_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/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 57396a3f6522baf465f10477ff1b4f4e1deccf80d42129ee9d03d8e74cd20ef5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:04:29,876 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:04:29,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:04:29,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:04:29,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:04:30,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:04:30,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:04:30,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:04:30,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:04:30,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:04:30,082 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:04:30,082 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:04:30,082 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:04:30,082 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:04:30,082 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:04:30,082 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:04:30,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:04:30,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:04:30,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:04:30,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:04:30,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:04:30,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:04:30,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:04:30,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:04:30,089 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:04:30,089 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:04:30,089 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:04:30,089 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:04:30,090 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:04:30,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:04:30,090 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:04:30,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:04:30,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:04:30,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:04:30,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:04:30,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:04:30,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:04:30,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:04:30,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:04:30,091 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:04:30,091 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:04:30,091 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:04:30,091 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:04:30,091 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_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/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 -> 57396a3f6522baf465f10477ff1b4f4e1deccf80d42129ee9d03d8e74cd20ef5 [2024-11-14 04:04:30,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:04:30,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:04:30,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:04:30,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:04:30,472 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:04:30,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i Unable to find full path for "g++" [2024-11-14 04:04:32,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:04:33,217 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:04:33,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i [2024-11-14 04:04:33,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/data/cbc501acc/6a6a1ba9204845469d1d2b8645a3e616/FLAGf81fa5b38 [2024-11-14 04:04:33,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/data/cbc501acc/6a6a1ba9204845469d1d2b8645a3e616 [2024-11-14 04:04:33,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:04:33,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:04:33,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:04:33,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:04:33,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:04:33,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:04:33" (1/1) ... [2024-11-14 04:04:33,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d06210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:33, skipping insertion in model container [2024-11-14 04:04:33,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:04:33" (1/1) ... [2024-11-14 04:04:33,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:04:33,725 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_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i[915,928] [2024-11-14 04:04:33,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:04:33,836 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:04:33,852 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_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-66.i[915,928] [2024-11-14 04:04:33,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:04:33,927 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:04:33,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:33 WrapperNode [2024-11-14 04:04:33,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:04:33,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:04:33,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:04:33,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:04:33,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:33" (1/1) ... [2024-11-14 04:04:33,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:33" (1/1) ... [2024-11-14 04:04:33,998 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-14 04:04:34,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:04:34,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:04:34,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:04:34,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:04:34,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:33" (1/1) ... [2024-11-14 04:04:34,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:33" (1/1) ... [2024-11-14 04:04:34,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:33" (1/1) ... [2024-11-14 04:04:34,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:33" (1/1) ... [2024-11-14 04:04:34,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:33" (1/1) ... [2024-11-14 04:04:34,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:33" (1/1) ... [2024-11-14 04:04:34,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:33" (1/1) ... [2024-11-14 04:04:34,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:33" (1/1) ... [2024-11-14 04:04:34,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:04:34,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:04:34,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:04:34,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:04:34,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:33" (1/1) ... [2024-11-14 04:04:34,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:04:34,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:04:34,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:04:34,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:04:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:04:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:04:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:04:34,161 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:04:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:04:34,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:04:34,262 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:04:34,264 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:04:42,423 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-14 04:04:42,423 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:04:42,437 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:04:42,437 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:04:42,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:04:42 BoogieIcfgContainer [2024-11-14 04:04:42,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:04:42,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:04:42,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:04:42,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:04:42,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:04:33" (1/3) ... [2024-11-14 04:04:42,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19cfcdcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:04:42, skipping insertion in model container [2024-11-14 04:04:42,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:33" (2/3) ... [2024-11-14 04:04:42,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19cfcdcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:04:42, skipping insertion in model container [2024-11-14 04:04:42,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:04:42" (3/3) ... [2024-11-14 04:04:42,452 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-66.i [2024-11-14 04:04:42,471 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:04:42,474 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-66.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:04:42,548 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:04:42,572 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;@29facfdd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:04:42,572 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:04:42,578 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 04:04:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-14 04:04:42,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:04:42,594 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:04:42,595 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:04:42,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:04:42,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1608660041, now seen corresponding path program 1 times [2024-11-14 04:04:42,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:04:42,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302266332] [2024-11-14 04:04:42,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:04:42,615 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:04:42,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:04:42,620 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:04:42,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:04:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:04:43,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:04:43,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:04:43,890 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-14 04:04:43,890 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:04:43,891 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:04:43,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302266332] [2024-11-14 04:04:43,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [302266332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:04:43,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:04:43,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:04:43,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072907034] [2024-11-14 04:04:43,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:04:43,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:04:43,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:04:43,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:04:43,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:04:43,938 INFO L87 Difference]: Start difference. First operand has 48 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 04:04:43,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:04:43,969 INFO L93 Difference]: Finished difference Result 93 states and 152 transitions. [2024-11-14 04:04:43,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:04:43,971 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2024-11-14 04:04:43,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:04:43,977 INFO L225 Difference]: With dead ends: 93 [2024-11-14 04:04:43,977 INFO L226 Difference]: Without dead ends: 44 [2024-11-14 04:04:43,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:04:43,985 INFO L432 NwaCegarLoop]: 66 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, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:04:43,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:04:44,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-14 04:04:44,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-14 04:04:44,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 04:04:44,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2024-11-14 04:04:44,054 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 96 [2024-11-14 04:04:44,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:04:44,055 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2024-11-14 04:04:44,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 04:04:44,057 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2024-11-14 04:04:44,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-14 04:04:44,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:04:44,079 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:04:44,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 04:04:44,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:04:44,280 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:04:44,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:04:44,281 INFO L85 PathProgramCache]: Analyzing trace with hash 619001987, now seen corresponding path program 1 times [2024-11-14 04:04:44,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:04:44,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199250172] [2024-11-14 04:04:44,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:04:44,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:04:44,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:04:44,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:04:44,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce76bb6c-a6d8-4917-84ab-2b262e5d9868/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:04:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:04:45,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 04:04:45,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:05:26,385 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:16:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 173 proven. 12 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-14 04:16:26,870 INFO L311 TraceCheckSpWp]: Computing backward predicates...