./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-5.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_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/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_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/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_b255d436-678a-428b-b61e-0a135d911cfb/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 29ab6c5c1f0794710a300723885d52308c86fc44de7715bed0602b28c2419287 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:56:03,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:56:03,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:56:03,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:56:03,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:56:03,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:56:03,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:56:03,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:56:03,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:56:03,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:56:03,091 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:56:03,091 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:56:03,091 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:56:03,091 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:56:03,091 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:56:03,091 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:56:03,091 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:56:03,091 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:56:03,091 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:56:03,092 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:56:03,092 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:56:03,092 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:56:03,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:56:03,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:56:03,092 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:56:03,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:56:03,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:56:03,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:56:03,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:56:03,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:56:03,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:56:03,094 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:56:03,094 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:56:03,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:56:03,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:56:03,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:56:03,094 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:56:03,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:56:03,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:03,095 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:56:03,095 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:56:03,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:56:03,096 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:56:03,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:56:03,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:56:03,096 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:56:03,096 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:56:03,096 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_b255d436-678a-428b-b61e-0a135d911cfb/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 -> 29ab6c5c1f0794710a300723885d52308c86fc44de7715bed0602b28c2419287 [2024-11-14 04:56:03,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:56:03,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:56:03,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:56:03,442 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:56:03,443 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:56:03,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-5.i Unable to find full path for "g++" [2024-11-14 04:56:05,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:56:05,718 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:56:05,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-5.i [2024-11-14 04:56:05,728 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/data/09efc3c5b/abaf8157285649c7a2f69cb35e7a089e/FLAGc9adc3aa5 [2024-11-14 04:56:05,745 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/data/09efc3c5b/abaf8157285649c7a2f69cb35e7a089e [2024-11-14 04:56:05,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:56:05,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:56:05,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:05,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:56:05,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:56:05,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:05" (1/1) ... [2024-11-14 04:56:05,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b724104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:05, skipping insertion in model container [2024-11-14 04:56:05,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:05" (1/1) ... [2024-11-14 04:56:05,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:56:05,945 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_b255d436-678a-428b-b61e-0a135d911cfb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-5.i[914,927] [2024-11-14 04:56:06,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:06,017 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:56:06,029 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_b255d436-678a-428b-b61e-0a135d911cfb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-5.i[914,927] [2024-11-14 04:56:06,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:06,080 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:56:06,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:06 WrapperNode [2024-11-14 04:56:06,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:06,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:06,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:56:06,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:56:06,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:06" (1/1) ... [2024-11-14 04:56:06,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:06" (1/1) ... [2024-11-14 04:56:06,159 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-14 04:56:06,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:06,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:56:06,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:56:06,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:56:06,171 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:06" (1/1) ... [2024-11-14 04:56:06,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:06" (1/1) ... [2024-11-14 04:56:06,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:06" (1/1) ... [2024-11-14 04:56:06,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:06" (1/1) ... [2024-11-14 04:56:06,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:06" (1/1) ... [2024-11-14 04:56:06,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:06" (1/1) ... [2024-11-14 04:56:06,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:06" (1/1) ... [2024-11-14 04:56:06,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:06" (1/1) ... [2024-11-14 04:56:06,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:56:06,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:56:06,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:56:06,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:56:06,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:06" (1/1) ... [2024-11-14 04:56:06,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:06,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:56:06,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:56:06,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:56:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:56:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:56:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:56:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:56:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:56:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:56:06,385 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:56:06,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:56:06,759 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 04:56:06,759 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:56:06,955 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:56:06,956 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:56:06,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:06 BoogieIcfgContainer [2024-11-14 04:56:06,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:56:06,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:56:06,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:56:06,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:56:06,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:56:05" (1/3) ... [2024-11-14 04:56:06,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ead5620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:56:06, skipping insertion in model container [2024-11-14 04:56:06,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:06" (2/3) ... [2024-11-14 04:56:06,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ead5620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:56:06, skipping insertion in model container [2024-11-14 04:56:06,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:06" (3/3) ... [2024-11-14 04:56:06,990 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-5.i [2024-11-14 04:56:07,014 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:56:07,016 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-5.i that has 2 procedures, 33 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:56:07,091 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:56:07,103 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;@77438007, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:56:07,103 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:56:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 04:56:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 04:56:07,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:56:07,115 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:56:07,115 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:56:07,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:56:07,120 INFO L85 PathProgramCache]: Analyzing trace with hash -886043825, now seen corresponding path program 1 times [2024-11-14 04:56:07,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:56:07,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541262916] [2024-11-14 04:56:07,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:07,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:56:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:56:07,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1671512344] [2024-11-14 04:56:07,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:07,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:56:07,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:56:07,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:56:07,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:56:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:56:08,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:56:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:56:08,199 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:56:08,201 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:56:08,203 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:56:08,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 04:56:08,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:56:08,410 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:56:08,492 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:56:08,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:56:08 BoogieIcfgContainer [2024-11-14 04:56:08,499 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:56:08,500 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:56:08,501 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:56:08,501 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:56:08,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:06" (3/4) ... [2024-11-14 04:56:08,503 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:56:08,504 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:56:08,505 INFO L158 Benchmark]: Toolchain (without parser) took 2755.34ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 35.2MB in the end (delta: 57.2MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2024-11-14 04:56:08,505 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:08,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.30ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.3MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:56:08,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.81ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 74.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:08,506 INFO L158 Benchmark]: Boogie Preprocessor took 51.29ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 73.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:08,506 INFO L158 Benchmark]: RCFGBuilder took 744.36ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 38.1MB in the end (delta: 35.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 04:56:08,507 INFO L158 Benchmark]: TraceAbstraction took 1523.01ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 35.7MB in the end (delta: 55.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-14 04:56:08,507 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 117.4MB. Free memory was 35.7MB in the beginning and 35.2MB in the end (delta: 529.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:08,509 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.30ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.3MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.81ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 74.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.29ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 73.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 744.36ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 38.1MB in the end (delta: 35.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1523.01ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 35.7MB in the end (delta: 55.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 117.4MB. Free memory was 35.7MB in the beginning and 35.2MB in the end (delta: 529.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 10; [L23] unsigned char var_1_4 = 128; [L24] unsigned char var_1_5 = 1; [L25] unsigned long int var_1_6 = 5; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 64; [L28] unsigned char var_1_11 = 64; [L29] unsigned short int var_1_12 = 25; [L30] unsigned short int var_1_14 = 31408; [L31] double var_1_15 = 64.375; [L32] double var_1_16 = 10.85; [L33] double var_1_17 = 128.8; [L34] double var_1_18 = 2.6; [L35] unsigned char var_1_19 = 0; [L36] unsigned char var_1_20 = 0; [L37] signed short int var_1_21 = -64; [L38] unsigned short int last_1_var_1_12 = 25; [L39] double last_1_var_1_15 = 64.375; [L114] isInitial = 1 [L115] FCALL initially() [L116] COND TRUE 1 [L117] CALL updateLastVariables() [L106] last_1_var_1_12 = var_1_12 [L107] last_1_var_1_15 = var_1_15 [L117] RET updateLastVariables() [L118] CALL updateVariables() [L80] var_1_4 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L83] var_1_5 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_6=5, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L86] var_1_10 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L89] var_1_11 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_11 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_11 >= 64) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L92] var_1_14 = __VERIFIER_nondet_ushort() [L93] CALL assume_abort_if_not(var_1_14 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_14 >= 16383) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L95] var_1_16 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L97] var_1_17 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L99] var_1_18 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L101] var_1_20 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=256, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=256, var_1_21=-64, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=0] [L118] RET updateVariables() [L119] CALL step() [L43] COND FALSE !(last_1_var_1_12 > var_1_4) [L48] COND FALSE !(((- 64) + var_1_6) == var_1_6) [L51] var_1_1 = (((((128) < (var_1_4)) ? (128) : (var_1_4))) - 64) [L53] COND FALSE !(var_1_5 == (var_1_6 / var_1_4)) [L56] var_1_9 = ((var_1_10 + var_1_11) - var_1_5) [L58] var_1_21 = var_1_10 [L59] unsigned long int stepLocal_3 = var_1_6; [L60] unsigned char stepLocal_2 = var_1_4; [L61] COND FALSE !(stepLocal_2 < var_1_1) [L66] unsigned long int stepLocal_0 = (((var_1_6) > (var_1_4)) ? (var_1_6) : (var_1_4)); [L67] COND TRUE ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) <= stepLocal_0 [L68] var_1_12 = ((var_1_14 - var_1_5) + ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) [L72] signed long int stepLocal_1 = ~ (var_1_5 * var_1_1); [L73] COND TRUE stepLocal_1 <= var_1_12 [L74] var_1_15 = (((((5.25 - var_1_16)) > (var_1_17)) ? ((5.25 - var_1_16)) : (var_1_17))) [L119] RET step() [L120] CALL, EXPR property() [L110-L111] return (((((((((- 64) + var_1_6) == var_1_6) ? (var_1_1 == ((unsigned char) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - var_1_5))) : (var_1_1 == ((unsigned char) (((((128) < (var_1_4)) ? (128) : (var_1_4))) - 64)))) && ((last_1_var_1_12 > var_1_4) ? (((- last_1_var_1_15) < last_1_var_1_15) ? (var_1_6 == ((unsigned long int) 10u)) : 1) : 1)) && ((var_1_5 == (var_1_6 / var_1_4)) ? (var_1_9 == ((unsigned char) ((((var_1_5) < (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) ? (var_1_5) : (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))))) : (var_1_9 == ((unsigned char) ((var_1_10 + var_1_11) - var_1_5))))) && ((((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) <= ((((var_1_6) > (var_1_4)) ? (var_1_6) : (var_1_4)))) ? (var_1_12 == ((unsigned short int) ((var_1_14 - var_1_5) + ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))))) : (var_1_12 == ((unsigned short int) var_1_6)))) && (((~ (var_1_5 * var_1_1)) <= var_1_12) ? (var_1_15 == ((double) (((((5.25 - var_1_16)) > (var_1_17)) ? ((5.25 - var_1_16)) : (var_1_17))))) : (var_1_15 == ((double) ((((((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16)))) < (var_1_18)) ? (((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16)))) : (var_1_18))))))) && ((var_1_4 < var_1_1) ? ((var_1_6 > var_1_21) ? (var_1_19 == ((unsigned char) var_1_20)) : 1) : 1)) && (var_1_21 == ((signed short int) var_1_10)) ; [L120] RET, EXPR property() [L120] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=16387, var_1_14=-114689, var_1_15=2, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=256, var_1_21=63, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=126] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=16387, var_1_14=-114689, var_1_15=2, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=256, var_1_21=63, var_1_4=128, var_1_5=257, var_1_6=5, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:56:08,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/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_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/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_b255d436-678a-428b-b61e-0a135d911cfb/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 29ab6c5c1f0794710a300723885d52308c86fc44de7715bed0602b28c2419287 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:56:11,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:56:11,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:56:11,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:56:11,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:56:11,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:56:11,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:56:11,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:56:11,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:56:11,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:56:11,473 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:56:11,473 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:56:11,473 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:56:11,473 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:56:11,473 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:56:11,473 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:56:11,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:56:11,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:56:11,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:56:11,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:56:11,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:56:11,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:56:11,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:56:11,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:56:11,480 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:56:11,480 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:56:11,480 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:56:11,480 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:56:11,480 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:56:11,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:56:11,481 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:56:11,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:56:11,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:56:11,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:56:11,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:56:11,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:11,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:56:11,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:56:11,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:56:11,482 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:56:11,482 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:56:11,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:56:11,482 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:56:11,482 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_b255d436-678a-428b-b61e-0a135d911cfb/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 -> 29ab6c5c1f0794710a300723885d52308c86fc44de7715bed0602b28c2419287 [2024-11-14 04:56:11,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:56:11,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:56:11,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:56:11,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:56:11,832 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:56:11,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-5.i Unable to find full path for "g++" [2024-11-14 04:56:13,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:56:14,191 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:56:14,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-5.i [2024-11-14 04:56:14,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/data/d6f35f162/51d42f5ddce74b51a9178dd8db98694b/FLAG2ab91fe19 [2024-11-14 04:56:14,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/data/d6f35f162/51d42f5ddce74b51a9178dd8db98694b [2024-11-14 04:56:14,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:56:14,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:56:14,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:14,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:56:14,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:56:14,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:14" (1/1) ... [2024-11-14 04:56:14,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ffc5337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:14, skipping insertion in model container [2024-11-14 04:56:14,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:14" (1/1) ... [2024-11-14 04:56:14,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:56:14,504 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_b255d436-678a-428b-b61e-0a135d911cfb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-5.i[914,927] [2024-11-14 04:56:14,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:14,646 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:56:14,660 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_b255d436-678a-428b-b61e-0a135d911cfb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-5.i[914,927] [2024-11-14 04:56:14,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:14,746 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:56:14,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:14 WrapperNode [2024-11-14 04:56:14,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:14,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:14,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:56:14,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:56:14,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:14" (1/1) ... [2024-11-14 04:56:14,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:14" (1/1) ... [2024-11-14 04:56:14,809 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-14 04:56:14,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:14,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:56:14,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:56:14,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:56:14,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:14" (1/1) ... [2024-11-14 04:56:14,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:14" (1/1) ... [2024-11-14 04:56:14,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:14" (1/1) ... [2024-11-14 04:56:14,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:14" (1/1) ... [2024-11-14 04:56:14,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:14" (1/1) ... [2024-11-14 04:56:14,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:14" (1/1) ... [2024-11-14 04:56:14,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:14" (1/1) ... [2024-11-14 04:56:14,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:14" (1/1) ... [2024-11-14 04:56:14,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:56:14,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:56:14,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:56:14,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:56:14,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:14" (1/1) ... [2024-11-14 04:56:14,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:14,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:56:14,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:56:14,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:56:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:56:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:56:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:56:14,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:56:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:56:14,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:56:15,031 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:56:15,034 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:56:15,754 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 04:56:15,754 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:56:15,771 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:56:15,771 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:56:15,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:15 BoogieIcfgContainer [2024-11-14 04:56:15,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:56:15,776 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:56:15,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:56:15,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:56:15,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:56:14" (1/3) ... [2024-11-14 04:56:15,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a27ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:56:15, skipping insertion in model container [2024-11-14 04:56:15,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:14" (2/3) ... [2024-11-14 04:56:15,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a27ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:56:15, skipping insertion in model container [2024-11-14 04:56:15,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:15" (3/3) ... [2024-11-14 04:56:15,789 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-5.i [2024-11-14 04:56:15,809 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:56:15,811 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-5.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:56:15,885 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:56:15,903 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;@f219643, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:56:15,904 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:56:15,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 04:56:15,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-14 04:56:15,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:56:15,926 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:56:15,927 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:56:15,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:56:15,935 INFO L85 PathProgramCache]: Analyzing trace with hash -404319038, now seen corresponding path program 1 times [2024-11-14 04:56:15,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:56:15,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [342678229] [2024-11-14 04:56:15,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:15,953 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 04:56:15,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:56:15,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/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 04:56:15,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/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 04:56:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:56:16,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:56:16,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:56:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-14 04:56:16,508 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:56:16,510 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:56:16,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [342678229] [2024-11-14 04:56:16,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [342678229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:56:16,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:56:16,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:56:16,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200452456] [2024-11-14 04:56:16,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:56:16,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:56:16,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:56:16,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:56:16,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:56:16,558 INFO L87 Difference]: Start difference. First operand has 54 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 04:56:16,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:56:16,597 INFO L93 Difference]: Finished difference Result 101 states and 167 transitions. [2024-11-14 04:56:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:56:16,601 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 102 [2024-11-14 04:56:16,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:56:16,612 INFO L225 Difference]: With dead ends: 101 [2024-11-14 04:56:16,613 INFO L226 Difference]: Without dead ends: 50 [2024-11-14 04:56:16,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 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 04:56:16,622 INFO L432 NwaCegarLoop]: 71 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, 71 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 04:56:16,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:56:16,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-14 04:56:16,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-14 04:56:16,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 04:56:16,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2024-11-14 04:56:16,686 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 102 [2024-11-14 04:56:16,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:56:16,686 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2024-11-14 04:56:16,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 04:56:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-14 04:56:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-14 04:56:16,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:56:16,692 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:56:16,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/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 04:56:16,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/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 04:56:16,893 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:56:16,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:56:16,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1126387770, now seen corresponding path program 1 times [2024-11-14 04:56:16,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:56:16,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147242669] [2024-11-14 04:56:16,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:16,899 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 04:56:16,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:56:16,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/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 04:56:16,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b255d436-678a-428b-b61e-0a135d911cfb/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 04:56:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:56:17,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-14 04:56:17,316 INFO L278 TraceCheckSpWp]: Computing forward predicates...