./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-25.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_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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 26fa746570883aea24cbbb132b9b9fcf9223302a77c6a16f3d97e91a2338fe8d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:42:41,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:42:41,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:42:41,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:42:41,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:42:41,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:42:41,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:42:41,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:42:41,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:42:41,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:42:41,361 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:42:41,363 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:42:41,363 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:42:41,363 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:42:41,363 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:42:41,364 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:42:41,364 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:42:41,364 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:42:41,364 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:42:41,364 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:42:41,365 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:42:41,365 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:42:41,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:42:41,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:42:41,366 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:42:41,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:42:41,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:42:41,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:42:41,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:42:41,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:42:41,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:42:41,367 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:42:41,367 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:42:41,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:42:41,368 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:42:41,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:42:41,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:42:41,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:42:41,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:42:41,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:42:41,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:42:41,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:42:41,370 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:42:41,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:42:41,370 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:42:41,370 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:42:41,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:42:41,370 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_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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 -> 26fa746570883aea24cbbb132b9b9fcf9223302a77c6a16f3d97e91a2338fe8d [2024-11-14 04:42:41,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:42:41,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:42:41,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:42:41,952 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:42:41,953 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:42:41,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-25.i Unable to find full path for "g++" [2024-11-14 04:42:45,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:42:46,315 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:42:46,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-25.i [2024-11-14 04:42:46,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/data/83a83ad11/4bb0d8aab0a447988c1c9901fce7e9ef/FLAG152f65124 [2024-11-14 04:42:46,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/data/83a83ad11/4bb0d8aab0a447988c1c9901fce7e9ef [2024-11-14 04:42:46,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:42:46,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:42:46,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:42:46,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:42:46,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:42:46,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:42:46" (1/1) ... [2024-11-14 04:42:46,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e57752e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:46, skipping insertion in model container [2024-11-14 04:42:46,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:42:46" (1/1) ... [2024-11-14 04:42:46,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:42:46,780 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_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-25.i[915,928] [2024-11-14 04:42:46,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:42:46,944 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:42:46,966 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_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-25.i[915,928] [2024-11-14 04:42:47,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:42:47,059 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:42:47,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:47 WrapperNode [2024-11-14 04:42:47,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:42:47,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:42:47,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:42:47,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:42:47,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:47" (1/1) ... [2024-11-14 04:42:47,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:47" (1/1) ... [2024-11-14 04:42:47,182 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2024-11-14 04:42:47,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:42:47,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:42:47,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:42:47,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:42:47,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:47" (1/1) ... [2024-11-14 04:42:47,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:47" (1/1) ... [2024-11-14 04:42:47,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:47" (1/1) ... [2024-11-14 04:42:47,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:47" (1/1) ... [2024-11-14 04:42:47,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:47" (1/1) ... [2024-11-14 04:42:47,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:47" (1/1) ... [2024-11-14 04:42:47,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:47" (1/1) ... [2024-11-14 04:42:47,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:47" (1/1) ... [2024-11-14 04:42:47,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:42:47,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:42:47,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:42:47,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:42:47,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:47" (1/1) ... [2024-11-14 04:42:47,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:42:47,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:42:47,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:42:47,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:42:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:42:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:42:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:42:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:42:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:42:47,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:42:47,536 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:42:47,540 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:42:48,144 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 04:42:48,144 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:42:48,637 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:42:48,638 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:42:48,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:42:48 BoogieIcfgContainer [2024-11-14 04:42:48,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:42:48,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:42:48,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:42:48,659 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:42:48,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:42:46" (1/3) ... [2024-11-14 04:42:48,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d64b80a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:42:48, skipping insertion in model container [2024-11-14 04:42:48,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:42:47" (2/3) ... [2024-11-14 04:42:48,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d64b80a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:42:48, skipping insertion in model container [2024-11-14 04:42:48,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:42:48" (3/3) ... [2024-11-14 04:42:48,666 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-25.i [2024-11-14 04:42:48,698 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:42:48,701 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-25.i that has 2 procedures, 29 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:42:48,820 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:42:48,856 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;@70331931, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:42:48,857 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:42:48,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-14 04:42:48,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-14 04:42:48,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:42:48,885 INFO L215 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:48,886 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:42:48,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:42:48,898 INFO L85 PathProgramCache]: Analyzing trace with hash 922802693, now seen corresponding path program 1 times [2024-11-14 04:42:48,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:42:48,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958373739] [2024-11-14 04:42:48,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:48,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:42:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:42:49,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2081056594] [2024-11-14 04:42:49,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:49,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:42:49,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:42:49,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:42:49,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:42:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:42:49,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:42:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:42:50,098 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:42:50,103 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:42:50,106 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:42:50,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 04:42:50,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:42:50,318 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:42:50,432 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:42:50,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:42:50 BoogieIcfgContainer [2024-11-14 04:42:50,439 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:42:50,440 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:42:50,440 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:42:50,441 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:42:50,442 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:42:48" (3/4) ... [2024-11-14 04:42:50,447 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:42:50,449 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:42:50,451 INFO L158 Benchmark]: Toolchain (without parser) took 4088.76ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 94.7MB in the end (delta: 22.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-11-14 04:42:50,452 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:42:50,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.42ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 103.2MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:42:50,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.97ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 100.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:42:50,454 INFO L158 Benchmark]: Boogie Preprocessor took 62.48ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:42:50,455 INFO L158 Benchmark]: RCFGBuilder took 1390.98ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 64.8MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 04:42:50,456 INFO L158 Benchmark]: TraceAbstraction took 1789.60ms. Allocated memory is still 142.6MB. Free memory was 64.3MB in the beginning and 95.5MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:42:50,457 INFO L158 Benchmark]: Witness Printer took 9.17ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.7MB in the end (delta: 765.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:42:50,465 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.42ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 103.2MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.97ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 100.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.48ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1390.98ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 64.8MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1789.60ms. Allocated memory is still 142.6MB. Free memory was 64.3MB in the beginning and 95.5MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.17ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.7MB in the end (delta: 765.7kB). 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 110, overapproximation of someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryFLOATComparisonOperation at line 118, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -256; [L23] signed short int var_1_5 = -256; [L24] double var_1_7 = 256.25; [L25] double var_1_8 = 127.8; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] float var_1_12 = 999.75; [L29] float var_1_13 = 64.5; [L30] float var_1_14 = 127.25; [L31] signed char var_1_15 = -32; [L32] float var_1_16 = 32.7; [L33] unsigned char var_1_17 = 16; [L34] unsigned char var_1_18 = 32; [L35] unsigned short int var_1_19 = 5; [L36] signed long int var_1_21 = 100; [L37] signed short int var_1_22 = 50; [L38] double var_1_23 = 1000000.75; [L39] signed long int last_1_var_1_1 = -256; [L40] signed short int last_1_var_1_5 = -256; [L41] unsigned char last_1_var_1_10 = 0; [L42] unsigned short int last_1_var_1_19 = 5; [L43] signed short int last_1_var_1_22 = 50; [L135] isInitial = 1 [L136] FCALL initially() [L137] COND TRUE 1 [L138] CALL updateLastVariables() [L124] last_1_var_1_1 = var_1_1 [L125] last_1_var_1_5 = var_1_5 [L126] last_1_var_1_10 = var_1_10 [L127] last_1_var_1_19 = var_1_19 [L128] last_1_var_1_22 = var_1_22 [L138] RET updateLastVariables() [L139] CALL updateVariables() [L102] var_1_7 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256, var_1_8=639/5] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256, var_1_8=639/5] [L104] var_1_8 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L106] var_1_11 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L108] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L109] var_1_13 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L111] var_1_14 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L113] var_1_15 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L115] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L116] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L117] var_1_16 = __VERIFIER_nondet_float() [L118] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L119] var_1_18 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L121] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L139] RET updateVariables() [L140] CALL step() [L47] signed long int stepLocal_2 = last_1_var_1_5; [L48] unsigned char stepLocal_1 = last_1_var_1_10; [L49] signed long int stepLocal_0 = 256; [L50] COND FALSE !(stepLocal_1 && (last_1_var_1_5 >= last_1_var_1_1)) [L55] COND TRUE last_1_var_1_1 >= stepLocal_2 [L56] var_1_1 = last_1_var_1_5 [L61] var_1_10 = (last_1_var_1_10 && var_1_11) [L62] COND TRUE var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L63] COND FALSE !(\read(var_1_10)) [L67] var_1_22 = last_1_var_1_22 [L68] var_1_23 = var_1_14 [L69] unsigned char stepLocal_5 = var_1_10; [L70] unsigned char stepLocal_4 = var_1_18; [L71] COND TRUE var_1_22 < stepLocal_4 [L72] var_1_19 = last_1_var_1_19 [L80] var_1_21 = var_1_22 [L81] COND FALSE !(! (var_1_23 <= var_1_7)) [L84] COND TRUE (((((var_1_1) > (var_1_17)) ? (var_1_1) : (var_1_17))) / var_1_15) < var_1_19 [L85] var_1_12 = var_1_13 [L90] unsigned char stepLocal_3 = var_1_10; [L91] COND FALSE !(var_1_10 && stepLocal_3) [L94] COND FALSE !((var_1_7 - var_1_8) > var_1_12) [L97] var_1_5 = var_1_19 [L140] RET step() [L141] CALL, EXPR property() [L131-L132] return (((((((((last_1_var_1_10 && (last_1_var_1_5 >= last_1_var_1_1)) ? ((256 != last_1_var_1_5) ? (var_1_1 == ((signed long int) (last_1_var_1_1 + last_1_var_1_5))) : 1) : ((last_1_var_1_1 >= last_1_var_1_5) ? (var_1_1 == ((signed long int) last_1_var_1_5)) : (var_1_1 == ((signed long int) last_1_var_1_1)))) && ((var_1_10 && var_1_10) ? (var_1_5 == ((signed short int) ((((var_1_19) < (-100)) ? (var_1_19) : (-100))))) : (((var_1_7 - var_1_8) > var_1_12) ? (var_1_5 == ((signed short int) var_1_19)) : (var_1_5 == ((signed short int) var_1_19))))) && (var_1_10 == ((unsigned char) (last_1_var_1_10 && var_1_11)))) && ((! (var_1_23 <= var_1_7)) ? (var_1_12 == ((float) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))))) : (((((((var_1_1) > (var_1_17)) ? (var_1_1) : (var_1_17))) / var_1_15) < var_1_19) ? (var_1_12 == ((float) var_1_13)) : (var_1_12 == ((float) (var_1_16 + 49.6f)))))) && ((var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) ? (var_1_10 ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : 1)) && ((var_1_22 < var_1_18) ? (var_1_19 == ((unsigned short int) last_1_var_1_19)) : (((var_1_10 || var_1_10) || var_1_10) ? (var_1_19 == ((unsigned short int) last_1_var_1_19)) : (var_1_19 == ((unsigned short int) var_1_22))))) && (var_1_21 == ((signed long int) var_1_22))) && (var_1_22 == ((signed short int) last_1_var_1_22))) && (var_1_23 == ((double) var_1_14)) ; [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3, var_1_13=3, var_1_14=2, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=2, var_1_5=5] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3, var_1_13=3, var_1_14=2, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=2, var_1_5=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 12, 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=29occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 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 04:42:50,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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 26fa746570883aea24cbbb132b9b9fcf9223302a77c6a16f3d97e91a2338fe8d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:42:55,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:42:55,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:42:55,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:42:55,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:42:55,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:42:55,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:42:55,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:42:55,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:42:55,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:42:55,681 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:42:55,682 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:42:55,682 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:42:55,682 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:42:55,682 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:42:55,683 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:42:55,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:42:55,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:42:55,684 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:42:55,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:42:55,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:42:55,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:42:55,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:42:55,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:42:55,685 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:42:55,685 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:42:55,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:42:55,686 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:42:55,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:42:55,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:42:55,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:42:55,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:42:55,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:42:55,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:42:55,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:42:55,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:42:55,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:42:55,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:42:55,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:42:55,688 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:42:55,689 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:42:55,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:42:55,689 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:42:55,689 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_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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 -> 26fa746570883aea24cbbb132b9b9fcf9223302a77c6a16f3d97e91a2338fe8d [2024-11-14 04:42:56,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:42:56,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:42:56,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:42:56,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:42:56,372 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:42:56,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-25.i Unable to find full path for "g++" [2024-11-14 04:43:00,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:43:00,632 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:43:00,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-25.i [2024-11-14 04:43:00,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/data/143a025a1/d2d6c26c375549c4a2a4f630051299a3/FLAG6142c1609 [2024-11-14 04:43:00,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/data/143a025a1/d2d6c26c375549c4a2a4f630051299a3 [2024-11-14 04:43:00,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:43:00,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:43:00,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:43:00,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:43:00,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:43:00,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:43:00" (1/1) ... [2024-11-14 04:43:00,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7d7949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:00, skipping insertion in model container [2024-11-14 04:43:00,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:43:00" (1/1) ... [2024-11-14 04:43:00,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:43:01,120 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_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-25.i[915,928] [2024-11-14 04:43:01,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:43:01,339 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:43:01,361 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_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-25.i[915,928] [2024-11-14 04:43:01,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:43:01,512 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:43:01,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:01 WrapperNode [2024-11-14 04:43:01,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:43:01,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:43:01,517 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:43:01,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:43:01,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:01" (1/1) ... [2024-11-14 04:43:01,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:01" (1/1) ... [2024-11-14 04:43:01,637 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-11-14 04:43:01,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:43:01,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:43:01,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:43:01,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:43:01,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:01" (1/1) ... [2024-11-14 04:43:01,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:01" (1/1) ... [2024-11-14 04:43:01,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:01" (1/1) ... [2024-11-14 04:43:01,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:01" (1/1) ... [2024-11-14 04:43:01,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:01" (1/1) ... [2024-11-14 04:43:01,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:01" (1/1) ... [2024-11-14 04:43:01,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:01" (1/1) ... [2024-11-14 04:43:01,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:01" (1/1) ... [2024-11-14 04:43:01,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:43:01,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:43:01,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:43:01,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:43:01,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:01" (1/1) ... [2024-11-14 04:43:01,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:43:01,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:43:01,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:43:01,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:43:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:43:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:43:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:43:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:43:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:43:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:43:01,998 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:43:02,001 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:43:04,838 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 04:43:04,838 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:43:04,864 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:43:04,865 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:43:04,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:43:04 BoogieIcfgContainer [2024-11-14 04:43:04,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:43:04,875 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:43:04,875 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:43:04,896 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:43:04,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:43:00" (1/3) ... [2024-11-14 04:43:04,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2c91d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:43:04, skipping insertion in model container [2024-11-14 04:43:04,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:01" (2/3) ... [2024-11-14 04:43:04,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2c91d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:43:04, skipping insertion in model container [2024-11-14 04:43:04,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:43:04" (3/3) ... [2024-11-14 04:43:04,910 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-25.i [2024-11-14 04:43:04,961 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:43:04,964 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-25.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:43:05,118 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:43:05,150 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;@38bed2ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:43:05,151 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:43:05,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-14 04:43:05,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-14 04:43:05,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:43:05,175 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:05,176 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:43:05,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:43:05,186 INFO L85 PathProgramCache]: Analyzing trace with hash 2069789270, now seen corresponding path program 1 times [2024-11-14 04:43:05,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:43:05,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877961676] [2024-11-14 04:43:05,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:43:05,208 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 04:43:05,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:43:05,214 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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 04:43:05,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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 04:43:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:43:05,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:43:05,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:43:06,408 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-14 04:43:06,408 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:43:06,409 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:43:06,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877961676] [2024-11-14 04:43:06,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877961676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:43:06,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:43:06,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:43:06,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838486093] [2024-11-14 04:43:06,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:43:06,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:43:06,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:43:06,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:43:06,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:43:06,453 INFO L87 Difference]: Start difference. First operand has 54 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 04:43:07,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:43:07,398 INFO L93 Difference]: Finished difference Result 100 states and 162 transitions. [2024-11-14 04:43:07,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:43:07,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 87 [2024-11-14 04:43:07,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:43:07,423 INFO L225 Difference]: With dead ends: 100 [2024-11-14 04:43:07,423 INFO L226 Difference]: Without dead ends: 49 [2024-11-14 04:43:07,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:43:07,435 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 69 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:43:07,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 112 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 04:43:07,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-14 04:43:07,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-14 04:43:07,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 35 states have internal predecessors, (43), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-14 04:43:07,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 67 transitions. [2024-11-14 04:43:07,501 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 67 transitions. Word has length 87 [2024-11-14 04:43:07,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:43:07,505 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 67 transitions. [2024-11-14 04:43:07,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 04:43:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2024-11-14 04:43:07,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-14 04:43:07,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:43:07,511 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:07,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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 04:43:07,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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 04:43:07,714 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:43:07,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:43:07,715 INFO L85 PathProgramCache]: Analyzing trace with hash -781529390, now seen corresponding path program 1 times [2024-11-14 04:43:07,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:43:07,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500859715] [2024-11-14 04:43:07,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:43:07,717 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 04:43:07,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:43:07,720 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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 04:43:07,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d7984-f4cf-4abe-9302-1ecd290e51ec/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 04:43:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:43:08,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-14 04:43:08,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:44:51,888 WARN L286 SmtUtils]: Spent 27.43s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)