./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_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_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 eab8bb5264af256faa5495eae630c9d7fc0f9ba0bd7283414fe1b06e45a31044 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:27:35,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:27:35,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:27:35,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:27:35,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:27:35,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:27:35,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:27:35,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:27:35,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:27:35,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:27:35,913 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:27:35,913 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:27:35,914 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:27:35,914 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:27:35,914 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:27:35,914 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:27:35,914 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:27:35,914 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:27:35,915 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:27:35,915 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:27:35,915 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:27:35,915 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:27:35,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:27:35,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:27:35,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:27:35,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:27:35,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:27:35,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:27:35,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:27:35,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:27:35,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:27:35,917 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:27:35,917 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:27:35,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:27:35,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:27:35,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:27:35,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:27:35,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:27:35,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:27:35,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:27:35,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:27:35,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:27:35,919 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:27:35,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:27:35,919 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:27:35,919 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:27:35,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:27:35,920 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_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 -> eab8bb5264af256faa5495eae630c9d7fc0f9ba0bd7283414fe1b06e45a31044 [2024-11-14 04:27:36,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:27:36,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:27:36,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:27:36,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:27:36,324 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:27:36,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-67.i Unable to find full path for "g++" [2024-11-14 04:27:38,420 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:27:38,787 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:27:38,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-67.i [2024-11-14 04:27:38,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/data/b5ef9d345/02e7f0d8baad4d7095ee016a9b44464b/FLAGbd0f76bcd [2024-11-14 04:27:38,838 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/data/b5ef9d345/02e7f0d8baad4d7095ee016a9b44464b [2024-11-14 04:27:38,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:27:38,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:27:38,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:27:38,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:27:38,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:27:38,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:27:38" (1/1) ... [2024-11-14 04:27:38,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4a5c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:38, skipping insertion in model container [2024-11-14 04:27:38,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:27:38" (1/1) ... [2024-11-14 04:27:38,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:27:39,096 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_d7c8310f-ed55-40cd-b609-ca2197173d2a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-67.i[915,928] [2024-11-14 04:27:39,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:27:39,191 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:27:39,202 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_d7c8310f-ed55-40cd-b609-ca2197173d2a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-67.i[915,928] [2024-11-14 04:27:39,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:27:39,238 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:27:39,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:39 WrapperNode [2024-11-14 04:27:39,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:27:39,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:27:39,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:27:39,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:27:39,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:39" (1/1) ... [2024-11-14 04:27:39,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:39" (1/1) ... [2024-11-14 04:27:39,281 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-14 04:27:39,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:27:39,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:27:39,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:27:39,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:27:39,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:39" (1/1) ... [2024-11-14 04:27:39,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:39" (1/1) ... [2024-11-14 04:27:39,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:39" (1/1) ... [2024-11-14 04:27:39,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:39" (1/1) ... [2024-11-14 04:27:39,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:39" (1/1) ... [2024-11-14 04:27:39,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:39" (1/1) ... [2024-11-14 04:27:39,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:39" (1/1) ... [2024-11-14 04:27:39,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:39" (1/1) ... [2024-11-14 04:27:39,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:27:39,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:27:39,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:27:39,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:27:39,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:39" (1/1) ... [2024-11-14 04:27:39,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:27:39,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:27:39,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:27:39,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:27:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:27:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:27:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:27:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:27:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:27:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:27:39,493 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:27:39,495 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:27:39,909 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-14 04:27:39,909 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:27:40,095 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:27:40,095 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:27:40,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:27:40 BoogieIcfgContainer [2024-11-14 04:27:40,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:27:40,100 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:27:40,100 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:27:40,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:27:40,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:27:38" (1/3) ... [2024-11-14 04:27:40,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9d3e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:27:40, skipping insertion in model container [2024-11-14 04:27:40,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:39" (2/3) ... [2024-11-14 04:27:40,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9d3e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:27:40, skipping insertion in model container [2024-11-14 04:27:40,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:27:40" (3/3) ... [2024-11-14 04:27:40,111 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-67.i [2024-11-14 04:27:40,137 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:27:40,139 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-67.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:27:40,234 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:27:40,255 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;@3ef1697, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:27:40,255 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:27:40,261 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 04:27:40,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-14 04:27:40,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:27:40,275 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 04:27:40,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:27:40,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:27:40,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1775923834, now seen corresponding path program 1 times [2024-11-14 04:27:40,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:27:40,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056909589] [2024-11-14 04:27:40,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:40,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:27:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:27:40,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [105299922] [2024-11-14 04:27:40,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:40,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:27:40,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:27:40,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:27:40,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:27:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:27:41,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:27:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:27:41,384 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:27:41,387 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:27:41,389 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:27:41,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:27:41,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:27:41,596 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:27:41,692 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:27:41,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:27:41 BoogieIcfgContainer [2024-11-14 04:27:41,697 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:27:41,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:27:41,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:27:41,698 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:27:41,700 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:27:40" (3/4) ... [2024-11-14 04:27:41,702 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:27:41,703 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:27:41,704 INFO L158 Benchmark]: Toolchain (without parser) took 2860.91ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 101.2MB in the end (delta: 17.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-14 04:27:41,704 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:27:41,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.54ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 105.9MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:27:41,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.69ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 103.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:27:41,706 INFO L158 Benchmark]: Boogie Preprocessor took 32.24ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:27:41,706 INFO L158 Benchmark]: RCFGBuilder took 780.87ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 74.1MB in the end (delta: 28.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:27:41,707 INFO L158 Benchmark]: TraceAbstraction took 1597.38ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 101.2MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:27:41,707 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 101.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:27:41,710 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 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.54ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 105.9MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.69ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 103.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.24ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 780.87ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 74.1MB in the end (delta: 28.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1597.38ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 101.2MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 101.2MB 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 91, overapproximation of someBinaryFLOATComparisonOperation at line 98. 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] int k_loop; [L105] k_loop = 0 VAL [isInitial=1, k_loop=0, 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=-64, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L105] COND TRUE k_loop < 1 [L106] CALL updateLastVariables() [L94] last_1_var_1_1 = var_1_1 [L95] last_1_var_1_6 = var_1_6 [L106] RET updateLastVariables() [L107] 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=16383, 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=16383, 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=16383, 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=16383, 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=16383, var_1_6=128, var_1_7=32767, 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=16383, var_1_6=128, var_1_7=32767, 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=16383, var_1_6=128, var_1_7=32767, 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=16383, var_1_6=128, var_1_7=32767, 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=16383, var_1_6=128, var_1_7=32767, 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=16383, var_1_6=128, var_1_7=32767, 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=16383, var_1_6=128, var_1_7=32767, 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=16383, var_1_6=128, var_1_7=32767, 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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767] [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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767] [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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=254, 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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=254, 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=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=254, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=254, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=254, var_1_13=256, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=254, var_1_13=256, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-16383, var_1_5=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=254, var_1_13=256, var_1_14=11/2, var_1_1=2, var_1_4=-16383, var_1_5=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=254, var_1_13=256, var_1_14=11/2, var_1_1=2, var_1_4=-16383, var_1_5=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, var_1_9=0] [L107] RET updateVariables() [L108] 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 TRUE stepLocal_0 >= (var_1_11 - var_1_8) [L43] COND FALSE !((var_1_7 / var_1_12) <= stepLocal_1) [L46] COND FALSE !(\read(var_1_13)) [L49] var_1_10 = var_1_5 [L55] COND TRUE ! (var_1_10 <= last_1_var_1_1) [L56] var_1_1 = (var_1_4 + var_1_5) [L58] COND FALSE !(var_1_4 > (var_1_10 / var_1_7)) [L61] var_1_14 = var_1_15 [L108] RET step() [L109] 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)) ; [L109] RET, EXPR property() [L109] 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=16383, var_1_11=32767, var_1_12=254, var_1_13=256, var_1_14=2, var_1_15=2, var_1_1=0, var_1_4=-16383, var_1_5=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, 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=16383, var_1_11=32767, var_1_12=254, var_1_13=256, var_1_14=2, var_1_15=2, var_1_1=0, var_1_4=-16383, var_1_5=16383, var_1_6=128, var_1_7=32767, var_1_8=32767, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, 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, 0.7s 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 04:27:41,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 eab8bb5264af256faa5495eae630c9d7fc0f9ba0bd7283414fe1b06e45a31044 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:27:44,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:27:44,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:27:44,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:27:44,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:27:44,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:27:44,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:27:44,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:27:44,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:27:44,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:27:44,996 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:27:44,996 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:27:44,996 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:27:44,996 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:27:44,996 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:27:44,997 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:27:44,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:27:44,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:27:44,998 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:27:44,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:27:44,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:27:44,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:27:44,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:27:44,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:27:44,999 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:27:44,999 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:27:44,999 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:27:44,999 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:27:44,999 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:27:44,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:27:44,999 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:27:44,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:27:45,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:27:45,001 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:27:45,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:27:45,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:27:45,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:27:45,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:27:45,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:27:45,002 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:27:45,002 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:27:45,002 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:27:45,002 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:27:45,003 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_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 -> eab8bb5264af256faa5495eae630c9d7fc0f9ba0bd7283414fe1b06e45a31044 [2024-11-14 04:27:45,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:27:45,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:27:45,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:27:45,402 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:27:45,402 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:27:45,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-67.i Unable to find full path for "g++" [2024-11-14 04:27:47,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:27:48,001 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:27:48,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-67.i [2024-11-14 04:27:48,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/data/bc2e75780/58aa23e316fa496d98b642a37ddf5e81/FLAG79131b276 [2024-11-14 04:27:48,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/data/bc2e75780/58aa23e316fa496d98b642a37ddf5e81 [2024-11-14 04:27:48,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:27:48,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:27:48,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:27:48,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:27:48,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:27:48,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:27:48" (1/1) ... [2024-11-14 04:27:48,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46283950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:48, skipping insertion in model container [2024-11-14 04:27:48,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:27:48" (1/1) ... [2024-11-14 04:27:48,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:27:48,261 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_d7c8310f-ed55-40cd-b609-ca2197173d2a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-67.i[915,928] [2024-11-14 04:27:48,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:27:48,376 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:27:48,393 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_d7c8310f-ed55-40cd-b609-ca2197173d2a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-67.i[915,928] [2024-11-14 04:27:48,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:27:48,469 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:27:48,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:48 WrapperNode [2024-11-14 04:27:48,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:27:48,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:27:48,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:27:48,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:27:48,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:48" (1/1) ... [2024-11-14 04:27:48,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:48" (1/1) ... [2024-11-14 04:27:48,544 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-14 04:27:48,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:27:48,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:27:48,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:27:48,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:27:48,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:48" (1/1) ... [2024-11-14 04:27:48,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:48" (1/1) ... [2024-11-14 04:27:48,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:48" (1/1) ... [2024-11-14 04:27:48,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:48" (1/1) ... [2024-11-14 04:27:48,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:48" (1/1) ... [2024-11-14 04:27:48,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:48" (1/1) ... [2024-11-14 04:27:48,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:48" (1/1) ... [2024-11-14 04:27:48,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:48" (1/1) ... [2024-11-14 04:27:48,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:27:48,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:27:48,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:27:48,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:27:48,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:48" (1/1) ... [2024-11-14 04:27:48,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:27:48,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:27:48,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:27:48,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:27:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:27:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:27:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:27:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:27:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:27:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:27:48,774 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:27:48,777 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:27:49,230 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-14 04:27:49,230 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:27:49,243 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:27:49,244 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:27:49,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:27:49 BoogieIcfgContainer [2024-11-14 04:27:49,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:27:49,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:27:49,249 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:27:49,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:27:49,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:27:48" (1/3) ... [2024-11-14 04:27:49,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5d71aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:27:49, skipping insertion in model container [2024-11-14 04:27:49,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:48" (2/3) ... [2024-11-14 04:27:49,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5d71aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:27:49, skipping insertion in model container [2024-11-14 04:27:49,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:27:49" (3/3) ... [2024-11-14 04:27:49,259 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-67.i [2024-11-14 04:27:49,281 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:27:49,283 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-67.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:27:49,384 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:27:49,405 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;@6e97abce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:27:49,406 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:27:49,412 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 04:27:49,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 04:27:49,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:27:49,431 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 04:27:49,431 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:27:49,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:27:49,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1465660149, now seen corresponding path program 1 times [2024-11-14 04:27:49,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:27:49,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047716946] [2024-11-14 04:27:49,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:49,482 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 04:27:49,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:27:49,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 04:27:49,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 04:27:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:49,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:27:49,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:49,879 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 04:27:49,880 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:27:49,881 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:27:49,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2047716946] [2024-11-14 04:27:49,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2047716946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:27:49,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:27:49,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:27:49,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625144723] [2024-11-14 04:27:49,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:27:49,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:27:49,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:27:49,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:27:49,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:27:49,924 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 04:27:49,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:27:49,960 INFO L93 Difference]: Finished difference Result 103 states and 174 transitions. [2024-11-14 04:27:49,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:27:49,962 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 04:27:49,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:27:49,968 INFO L225 Difference]: With dead ends: 103 [2024-11-14 04:27:49,968 INFO L226 Difference]: Without dead ends: 49 [2024-11-14 04:27:49,971 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 04:27:49,974 INFO L432 NwaCegarLoop]: 76 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, 76 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 04:27:49,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:27:49,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-14 04:27:50,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-14 04:27:50,014 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 04:27:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2024-11-14 04:27:50,021 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 117 [2024-11-14 04:27:50,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:27:50,021 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2024-11-14 04:27:50,021 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 04:27:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-11-14 04:27:50,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 04:27:50,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:27:50,028 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 04:27:50,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 04:27:50,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 04:27:50,233 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:27:50,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:27:50,234 INFO L85 PathProgramCache]: Analyzing trace with hash 723465225, now seen corresponding path program 1 times [2024-11-14 04:27:50,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:27:50,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458831036] [2024-11-14 04:27:50,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:50,235 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 04:27:50,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:27:50,238 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 04:27:50,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 04:27:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:50,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-14 04:27:50,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:34:24,371 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 04:34:24,372 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:34:24,372 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:34:24,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458831036] [2024-11-14 04:34:24,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458831036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:34:24,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:34:24,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-14 04:34:24,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500343482] [2024-11-14 04:34:24,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:34:24,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 04:34:24,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:34:24,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 04:34:24,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-14 04:34:24,375 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 04:34:27,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:34:27,515 INFO L93 Difference]: Finished difference Result 188 states and 265 transitions. [2024-11-14 04:34:27,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-14 04:34:27,518 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 04:34:27,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:34:27,521 INFO L225 Difference]: With dead ends: 188 [2024-11-14 04:34:27,521 INFO L226 Difference]: Without dead ends: 142 [2024-11-14 04:34:27,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=194, Invalid=676, Unknown=0, NotChecked=0, Total=870 [2024-11-14 04:34:27,523 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 134 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:34:27,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 457 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-14 04:34:27,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-14 04:34:27,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 123. [2024-11-14 04:34:27,562 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 04:34:27,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 177 transitions. [2024-11-14 04:34:27,565 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 177 transitions. Word has length 117 [2024-11-14 04:34:27,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:34:27,566 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 177 transitions. [2024-11-14 04:34:27,566 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 04:34:27,566 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 177 transitions. [2024-11-14 04:34:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 04:34:27,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:34:27,568 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 04:34:27,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:34:27,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 04:34:27,769 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:34:27,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:34:27,769 INFO L85 PathProgramCache]: Analyzing trace with hash 780723527, now seen corresponding path program 1 times [2024-11-14 04:34:27,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:34:27,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270207750] [2024-11-14 04:34:27,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:34:27,770 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 04:34:27,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:34:27,772 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 04:34:27,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 04:34:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:34:27,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-14 04:34:27,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:38:26,696 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 04:38:26,696 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:38:26,697 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:38:26,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270207750] [2024-11-14 04:38:26,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270207750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:38:26,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:38:26,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-14 04:38:26,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276154960] [2024-11-14 04:38:26,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:38:26,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 04:38:26,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:38:26,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 04:38:26,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-14 04:38:26,699 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 04:38:32,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:38:32,911 INFO L93 Difference]: Finished difference Result 132 states and 184 transitions. [2024-11-14 04:38:32,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-14 04:38:32,914 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 04:38:32,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:38:32,916 INFO L225 Difference]: With dead ends: 132 [2024-11-14 04:38:32,916 INFO L226 Difference]: Without dead ends: 130 [2024-11-14 04:38:32,916 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 04:38:32,917 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 90 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:38:32,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 417 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-14 04:38:32,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-14 04:38:32,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 123. [2024-11-14 04:38:32,945 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 04:38:32,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 176 transitions. [2024-11-14 04:38:32,951 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 176 transitions. Word has length 117 [2024-11-14 04:38:32,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:38:32,952 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 176 transitions. [2024-11-14 04:38:32,952 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 04:38:32,952 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 176 transitions. [2024-11-14 04:38:32,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-14 04:38:32,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:38:32,954 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 04:38:32,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 04:38:33,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 04:38:33,158 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:38:33,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:38:33,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1488021931, now seen corresponding path program 1 times [2024-11-14 04:38:33,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:38:33,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [54515508] [2024-11-14 04:38:33,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:38:33,159 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 04:38:33,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:38:33,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 04:38:33,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c8310f-ed55-40cd-b609-ca2197173d2a/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 04:38:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:38:33,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-14 04:38:33,322 INFO L278 TraceCheckSpWp]: Computing forward predicates...