./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.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_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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_45358c83-5bf6-4781-8953-5da384980a8a/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 6785fbfa62719e2a16cb785f0dae7409fe6adec2e9b8c35426d44b08716a9a3e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:15:24,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:15:24,654 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:15:24,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:15:24,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:15:24,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:15:24,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:15:24,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:15:24,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:15:24,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:15:24,713 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:15:24,714 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:15:24,714 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:15:24,714 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:15:24,714 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:15:24,714 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:15:24,715 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:15:24,715 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:15:24,715 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:15:24,716 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:15:24,716 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:15:24,716 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:15:24,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:15:24,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:15:24,717 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:15:24,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:15:24,718 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:15:24,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:15:24,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:15:24,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:15:24,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:15:24,719 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:15:24,719 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:15:24,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:15:24,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:15:24,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:15:24,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:15:24,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:15:24,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:15:24,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:15:24,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:15:24,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:15:24,720 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:15:24,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:15:24,720 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:15:24,720 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:15:24,721 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:15:24,721 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_45358c83-5bf6-4781-8953-5da384980a8a/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 -> 6785fbfa62719e2a16cb785f0dae7409fe6adec2e9b8c35426d44b08716a9a3e [2024-11-14 04:15:25,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:15:25,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:15:25,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:15:25,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:15:25,100 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:15:25,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i Unable to find full path for "g++" [2024-11-14 04:15:27,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:15:27,637 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:15:27,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i [2024-11-14 04:15:27,648 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/data/009eee829/1ea38f6524444f7b99df8f8c68a6bc0f/FLAGd4bea9bfb [2024-11-14 04:15:27,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/data/009eee829/1ea38f6524444f7b99df8f8c68a6bc0f [2024-11-14 04:15:27,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:15:27,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:15:27,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:15:27,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:15:27,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:15:27,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:15:27" (1/1) ... [2024-11-14 04:15:27,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@656eee15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:27, skipping insertion in model container [2024-11-14 04:15:27,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:15:27" (1/1) ... [2024-11-14 04:15:27,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:15:27,935 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_45358c83-5bf6-4781-8953-5da384980a8a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i[915,928] [2024-11-14 04:15:28,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:15:28,028 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:15:28,045 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_45358c83-5bf6-4781-8953-5da384980a8a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i[915,928] [2024-11-14 04:15:28,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:15:28,124 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:15:28,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:28 WrapperNode [2024-11-14 04:15:28,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:15:28,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:15:28,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:15:28,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:15:28,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:28" (1/1) ... [2024-11-14 04:15:28,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:28" (1/1) ... [2024-11-14 04:15:28,194 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-14 04:15:28,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:15:28,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:15:28,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:15:28,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:15:28,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:28" (1/1) ... [2024-11-14 04:15:28,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:28" (1/1) ... [2024-11-14 04:15:28,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:28" (1/1) ... [2024-11-14 04:15:28,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:28" (1/1) ... [2024-11-14 04:15:28,231 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:28" (1/1) ... [2024-11-14 04:15:28,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:28" (1/1) ... [2024-11-14 04:15:28,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:28" (1/1) ... [2024-11-14 04:15:28,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:28" (1/1) ... [2024-11-14 04:15:28,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:15:28,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:15:28,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:15:28,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:15:28,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:28" (1/1) ... [2024-11-14 04:15:28,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:15:28,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:15:28,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:15:28,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:15:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:15:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:15:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:15:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:15:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:15:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:15:28,466 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:15:28,468 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:15:28,844 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 04:15:28,844 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:15:29,044 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:15:29,045 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:15:29,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:29 BoogieIcfgContainer [2024-11-14 04:15:29,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:15:29,049 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:15:29,049 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:15:29,054 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:15:29,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:15:27" (1/3) ... [2024-11-14 04:15:29,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a2ed25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:15:29, skipping insertion in model container [2024-11-14 04:15:29,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:28" (2/3) ... [2024-11-14 04:15:29,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a2ed25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:15:29, skipping insertion in model container [2024-11-14 04:15:29,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:29" (3/3) ... [2024-11-14 04:15:29,058 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-67.i [2024-11-14 04:15:29,078 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:15:29,080 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-67.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:15:29,166 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:15:29,188 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;@2023eafd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:15:29,188 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:15:29,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 04:15:29,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-14 04:15:29,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:29,207 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:15:29,207 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:15:29,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:29,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1775921912, now seen corresponding path program 1 times [2024-11-14 04:15:29,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:15:29,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798152715] [2024-11-14 04:15:29,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:29,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:15:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:15:29,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1654756791] [2024-11-14 04:15:29,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:29,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:15:29,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:15:29,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:15:29,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:15:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:15:30,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:15:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:15:30,229 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:15:30,232 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:15:30,234 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:15:30,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 04:15:30,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:15:30,442 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:15:30,561 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:15:30,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:15:30 BoogieIcfgContainer [2024-11-14 04:15:30,568 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:15:30,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:15:30,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:15:30,569 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:15:30,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:29" (3/4) ... [2024-11-14 04:15:30,572 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:15:30,573 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:15:30,575 INFO L158 Benchmark]: Toolchain (without parser) took 2902.85ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 103.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-14 04:15:30,575 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:15:30,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.05ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 106.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:15:30,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.86ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 104.0MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:15:30,577 INFO L158 Benchmark]: Boogie Preprocessor took 56.94ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:15:30,577 INFO L158 Benchmark]: RCFGBuilder took 788.87ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 75.2MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:15:30,577 INFO L158 Benchmark]: TraceAbstraction took 1519.39ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 103.2MB in the end (delta: -28.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:15:30,578 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 103.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:15:30,581 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.05ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 106.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.86ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 104.0MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.94ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 788.87ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 75.2MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1519.39ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 103.2MB in the end (delta: -28.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 103.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] signed short int var_1_4 = -64; [L24] signed short int var_1_5 = 256; [L25] unsigned short int var_1_6 = 128; [L26] signed short int var_1_7 = -128; [L27] unsigned short int var_1_8 = 16; [L28] unsigned short int var_1_9 = 256; [L29] signed long int var_1_10 = 128; [L30] unsigned short int var_1_11 = 47512; [L31] unsigned char var_1_12 = 16; [L32] unsigned char var_1_13 = 1; [L33] float var_1_14 = 5.5; [L34] float var_1_15 = 24.5; [L35] signed short int last_1_var_1_1 = 2; [L36] unsigned short int last_1_var_1_6 = 128; [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L94] last_1_var_1_1 = var_1_1 [L95] last_1_var_1_6 = var_1_6 [L105] RET updateLastVariables() [L106] CALL updateVariables() [L64] var_1_4 = __VERIFIER_nondet_short() [L65] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L66] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L67] var_1_5 = __VERIFIER_nondet_short() [L68] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L69] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L70] var_1_7 = __VERIFIER_nondet_short() [L71] CALL assume_abort_if_not(var_1_7 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_7 >= -32768) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L72] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L73] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L74] var_1_8 = __VERIFIER_nondet_ushort() [L75] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_9=256] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_9=256] [L76] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=256] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=256] [L77] var_1_9 = __VERIFIER_nondet_ushort() [L78] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536] [L79] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L80] var_1_11 = __VERIFIER_nondet_ushort() [L81] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_11 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_11 <= 65535) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L83] var_1_12 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_12 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_12 <= 255) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L86] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_12=4, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_12=4, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L87] var_1_13 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_12=4, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_12=4, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_12=4, var_1_13=0, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_12=4, var_1_13=0, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L90] var_1_15 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_12=4, var_1_13=0, var_1_14=11/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=32767, var_1_12=4, var_1_13=0, var_1_14=11/2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L106] RET updateVariables() [L107] CALL step() [L40] signed long int stepLocal_1 = last_1_var_1_6; [L41] signed long int stepLocal_0 = last_1_var_1_6; [L42] COND FALSE !(stepLocal_0 >= (var_1_11 - var_1_8)) [L53] var_1_10 = last_1_var_1_1 [L55] COND FALSE !(! (var_1_10 <= last_1_var_1_1)) [L58] COND FALSE !(var_1_4 > (var_1_10 / var_1_7)) [L61] var_1_14 = var_1_15 [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((! (var_1_10 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && ((var_1_4 > (var_1_10 / var_1_7)) ? (var_1_6 == ((unsigned short int) (var_1_8 + var_1_9))) : 1)) && ((last_1_var_1_6 >= (var_1_11 - var_1_8)) ? (((var_1_7 / var_1_12) <= last_1_var_1_6) ? (var_1_10 == ((signed long int) ((last_1_var_1_6 - var_1_8) + -32))) : (var_1_13 ? (var_1_10 == ((signed long int) ((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))))) : (var_1_10 == ((signed long int) var_1_5)))) : (var_1_10 == ((signed long int) last_1_var_1_1)))) && (var_1_14 == ((float) var_1_15)) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=2, var_1_11=32767, var_1_12=4, var_1_13=0, var_1_14=2, var_1_15=2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=2, var_1_11=32767, var_1_12=4, var_1_13=0, var_1_14=2, var_1_15=2, var_1_1=2, var_1_4=-16383, var_1_5=2, var_1_6=128, var_1_7=3, var_1_8=65536, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 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 04:15:30,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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_45358c83-5bf6-4781-8953-5da384980a8a/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 6785fbfa62719e2a16cb785f0dae7409fe6adec2e9b8c35426d44b08716a9a3e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:15:33,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:15:33,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:15:33,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:15:33,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:15:33,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:15:33,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:15:33,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:15:33,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:15:33,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:15:33,972 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:15:33,973 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:15:33,973 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:15:33,973 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:15:33,973 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:15:33,973 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:15:33,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:15:33,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:15:33,975 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:15:33,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:15:33,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:15:33,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:15:33,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:15:33,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:15:33,976 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:15:33,976 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:15:33,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:15:33,977 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:15:33,977 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:15:33,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:15:33,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:15:33,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:15:33,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:15:33,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:15:33,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:15:33,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:15:33,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:15:33,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:15:33,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:15:33,978 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:15:33,978 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:15:33,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:15:33,978 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:15:33,978 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_45358c83-5bf6-4781-8953-5da384980a8a/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 -> 6785fbfa62719e2a16cb785f0dae7409fe6adec2e9b8c35426d44b08716a9a3e [2024-11-14 04:15:34,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:15:34,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:15:34,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:15:34,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:15:34,376 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:15:34,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i Unable to find full path for "g++" [2024-11-14 04:15:36,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:15:36,806 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:15:36,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i [2024-11-14 04:15:36,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/data/5c595739e/253d40dc7f9f480aa7b388b223fd32c6/FLAG655571106 [2024-11-14 04:15:36,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/data/5c595739e/253d40dc7f9f480aa7b388b223fd32c6 [2024-11-14 04:15:36,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:15:36,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:15:36,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:15:36,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:15:36,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:15:36,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:15:36" (1/1) ... [2024-11-14 04:15:36,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebe7064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:36, skipping insertion in model container [2024-11-14 04:15:36,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:15:36" (1/1) ... [2024-11-14 04:15:36,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:15:37,065 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_45358c83-5bf6-4781-8953-5da384980a8a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i[915,928] [2024-11-14 04:15:37,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:15:37,155 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:15:37,170 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_45358c83-5bf6-4781-8953-5da384980a8a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i[915,928] [2024-11-14 04:15:37,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:15:37,219 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:15:37,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:37 WrapperNode [2024-11-14 04:15:37,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:15:37,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:15:37,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:15:37,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:15:37,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:37" (1/1) ... [2024-11-14 04:15:37,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:37" (1/1) ... [2024-11-14 04:15:37,291 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-11-14 04:15:37,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:15:37,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:15:37,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:15:37,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:15:37,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:37" (1/1) ... [2024-11-14 04:15:37,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:37" (1/1) ... [2024-11-14 04:15:37,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:37" (1/1) ... [2024-11-14 04:15:37,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:37" (1/1) ... [2024-11-14 04:15:37,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:37" (1/1) ... [2024-11-14 04:15:37,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:37" (1/1) ... [2024-11-14 04:15:37,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:37" (1/1) ... [2024-11-14 04:15:37,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:37" (1/1) ... [2024-11-14 04:15:37,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:15:37,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:15:37,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:15:37,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:15:37,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:37" (1/1) ... [2024-11-14 04:15:37,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:15:37,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:15:37,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:15:37,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:15:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:15:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:15:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:15:37,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:15:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:15:37,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:15:37,542 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:15:37,545 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:15:38,084 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 04:15:38,084 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:15:38,103 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:15:38,104 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:15:38,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:38 BoogieIcfgContainer [2024-11-14 04:15:38,104 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:15:38,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:15:38,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:15:38,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:15:38,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:15:36" (1/3) ... [2024-11-14 04:15:38,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd376d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:15:38, skipping insertion in model container [2024-11-14 04:15:38,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:37" (2/3) ... [2024-11-14 04:15:38,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd376d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:15:38, skipping insertion in model container [2024-11-14 04:15:38,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:38" (3/3) ... [2024-11-14 04:15:38,120 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-67.i [2024-11-14 04:15:38,141 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:15:38,142 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-67.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:15:38,219 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:15:38,236 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;@78cc1e3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:15:38,237 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:15:38,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 04:15:38,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 04:15:38,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:38,255 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:15:38,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:15:38,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:38,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1465660149, now seen corresponding path program 1 times [2024-11-14 04:15:38,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:15:38,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897756739] [2024-11-14 04:15:38,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:38,315 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 04:15:38,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:15:38,318 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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 04:15:38,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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 04:15:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:38,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:15:38,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:15:38,705 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-14 04:15:38,705 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:15:38,706 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:15:38,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897756739] [2024-11-14 04:15:38,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897756739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:15:38,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:15:38,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:15:38,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992397604] [2024-11-14 04:15:38,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:15:38,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:15:38,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:15:38,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:15:38,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:15:38,750 INFO L87 Difference]: Start difference. First operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 04:15:38,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:15:38,795 INFO L93 Difference]: Finished difference Result 99 states and 171 transitions. [2024-11-14 04:15:38,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:15:38,797 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2024-11-14 04:15:38,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:15:38,807 INFO L225 Difference]: With dead ends: 99 [2024-11-14 04:15:38,807 INFO L226 Difference]: Without dead ends: 49 [2024-11-14 04:15:38,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 04:15:38,817 INFO L432 NwaCegarLoop]: 72 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, 72 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 04:15:38,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:15:38,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-14 04:15:38,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-14 04:15:38,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 04:15:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2024-11-14 04:15:38,870 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 117 [2024-11-14 04:15:38,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:15:38,871 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2024-11-14 04:15:38,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 04:15:38,872 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-11-14 04:15:38,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 04:15:38,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:38,875 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:15:38,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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 04:15:39,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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 04:15:39,078 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:15:39,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:39,079 INFO L85 PathProgramCache]: Analyzing trace with hash 723465225, now seen corresponding path program 1 times [2024-11-14 04:15:39,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:15:39,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [189211934] [2024-11-14 04:15:39,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:39,080 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 04:15:39,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:15:39,085 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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 04:15:39,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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 04:15:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:39,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-14 04:15:39,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:22:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-14 04:22:02,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:22:02,390 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:22:02,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [189211934] [2024-11-14 04:22:02,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [189211934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:22:02,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:22:02,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-14 04:22:02,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652765758] [2024-11-14 04:22:02,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:22:02,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 04:22:02,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:22:02,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 04:22:02,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-14 04:22:02,398 INFO L87 Difference]: Start difference. First operand 49 states and 72 transitions. Second operand has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 04:22:05,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:22:05,812 INFO L93 Difference]: Finished difference Result 188 states and 265 transitions. [2024-11-14 04:22:05,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-14 04:22:05,815 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 117 [2024-11-14 04:22:05,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:22:05,817 INFO L225 Difference]: With dead ends: 188 [2024-11-14 04:22:05,817 INFO L226 Difference]: Without dead ends: 142 [2024-11-14 04:22:05,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=194, Invalid=676, Unknown=0, NotChecked=0, Total=870 [2024-11-14 04:22:05,819 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 122 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:22:05,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 467 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-14 04:22:05,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-14 04:22:05,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 123. [2024-11-14 04:22:05,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 73 states have (on average 1.1917808219178083) internal successors, (87), 74 states have internal predecessors, (87), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 44 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-14 04:22:05,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 177 transitions. [2024-11-14 04:22:05,854 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 177 transitions. Word has length 117 [2024-11-14 04:22:05,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:22:05,855 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 177 transitions. [2024-11-14 04:22:05,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 04:22:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 177 transitions. [2024-11-14 04:22:05,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 04:22:05,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:22:05,857 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:22:05,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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 04:22:06,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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 04:22:06,058 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:22:06,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:22:06,058 INFO L85 PathProgramCache]: Analyzing trace with hash 780723527, now seen corresponding path program 1 times [2024-11-14 04:22:06,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:22:06,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [941417076] [2024-11-14 04:22:06,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:22:06,059 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 04:22:06,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:22:06,063 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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 04:22:06,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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 (4)] Waiting until timeout for monitored process [2024-11-14 04:22:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:22:06,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-14 04:22:06,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:26:04,923 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-14 04:26:04,924 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:26:04,924 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:26:04,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [941417076] [2024-11-14 04:26:04,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [941417076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:26:04,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:26:04,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-14 04:26:04,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319127099] [2024-11-14 04:26:04,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:26:04,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 04:26:04,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:26:04,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 04:26:04,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-14 04:26:04,927 INFO L87 Difference]: Start difference. First operand 123 states and 177 transitions. Second operand has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 04:26:11,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:26:11,364 INFO L93 Difference]: Finished difference Result 132 states and 184 transitions. [2024-11-14 04:26:11,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-14 04:26:11,367 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 117 [2024-11-14 04:26:11,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:26:11,369 INFO L225 Difference]: With dead ends: 132 [2024-11-14 04:26:11,370 INFO L226 Difference]: Without dead ends: 130 [2024-11-14 04:26:11,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-11-14 04:26:11,377 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 86 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:26:11,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 415 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-14 04:26:11,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-14 04:26:11,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 123. [2024-11-14 04:26:11,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 73 states have (on average 1.178082191780822) internal successors, (86), 74 states have internal predecessors, (86), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 44 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-14 04:26:11,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 176 transitions. [2024-11-14 04:26:11,420 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 176 transitions. Word has length 117 [2024-11-14 04:26:11,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:26:11,421 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 176 transitions. [2024-11-14 04:26:11,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 04:26:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 176 transitions. [2024-11-14 04:26:11,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-14 04:26:11,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:26:11,424 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:26:11,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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 (4)] Ended with exit code 0 [2024-11-14 04:26:11,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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 04:26:11,625 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:26:11,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:26:11,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1488021931, now seen corresponding path program 1 times [2024-11-14 04:26:11,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:26:11,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003358712] [2024-11-14 04:26:11,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:26:11,626 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 04:26:11,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:26:11,630 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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 04:26:11,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45358c83-5bf6-4781-8953-5da384980a8a/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 (5)] Waiting until timeout for monitored process [2024-11-14 04:26:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:26:11,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-14 04:26:11,820 INFO L278 TraceCheckSpWp]: Computing forward predicates...