./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.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_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/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_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/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_33f035d6-be54-42d5-bd49-1b1cffda7395/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 6a1c664dccb2fd20712875143d7c0791ea927630b38961ab634617ccb1638f52 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:12:28,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:12:28,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:12:28,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:12:28,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:12:28,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:12:28,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:12:28,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:12:28,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:12:28,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:12:28,817 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:12:28,819 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:12:28,819 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:12:28,820 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:12:28,820 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:12:28,820 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:12:28,820 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:12:28,821 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:12:28,821 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:12:28,821 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:12:28,821 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:12:28,821 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:12:28,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:12:28,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:12:28,823 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:12:28,823 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:12:28,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:12:28,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:12:28,824 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:12:28,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:12:28,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:12:28,824 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:12:28,825 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:12:28,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:12:28,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:12:28,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:12:28,827 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:12:28,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:12:28,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:12:28,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:12:28,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:12:28,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:12:28,828 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:12:28,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:12:28,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:12:28,829 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:12:28,829 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:12:28,830 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_33f035d6-be54-42d5-bd49-1b1cffda7395/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 -> 6a1c664dccb2fd20712875143d7c0791ea927630b38961ab634617ccb1638f52 [2024-11-14 05:12:29,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:12:29,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:12:29,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:12:29,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:12:29,320 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:12:29,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i Unable to find full path for "g++" [2024-11-14 05:12:31,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:12:32,576 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:12:32,578 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i [2024-11-14 05:12:32,595 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/data/f8a01a9e0/08387a1d60bb4f7a9388c7cfed2b234c/FLAG9c5474020 [2024-11-14 05:12:32,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/data/f8a01a9e0/08387a1d60bb4f7a9388c7cfed2b234c [2024-11-14 05:12:32,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:12:32,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:12:32,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:12:32,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:12:32,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:12:32,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:12:32" (1/1) ... [2024-11-14 05:12:32,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c8eefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:32, skipping insertion in model container [2024-11-14 05:12:32,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:12:32" (1/1) ... [2024-11-14 05:12:32,685 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:12:32,923 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_33f035d6-be54-42d5-bd49-1b1cffda7395/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i[915,928] [2024-11-14 05:12:33,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:12:33,039 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:12:33,057 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_33f035d6-be54-42d5-bd49-1b1cffda7395/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i[915,928] [2024-11-14 05:12:33,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:12:33,114 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:12:33,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:33 WrapperNode [2024-11-14 05:12:33,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:12:33,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:12:33,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:12:33,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:12:33,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:33" (1/1) ... [2024-11-14 05:12:33,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:33" (1/1) ... [2024-11-14 05:12:33,163 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-11-14 05:12:33,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:12:33,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:12:33,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:12:33,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:12:33,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:33" (1/1) ... [2024-11-14 05:12:33,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:33" (1/1) ... [2024-11-14 05:12:33,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:33" (1/1) ... [2024-11-14 05:12:33,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:33" (1/1) ... [2024-11-14 05:12:33,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:33" (1/1) ... [2024-11-14 05:12:33,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:33" (1/1) ... [2024-11-14 05:12:33,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:33" (1/1) ... [2024-11-14 05:12:33,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:33" (1/1) ... [2024-11-14 05:12:33,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:12:33,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:12:33,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:12:33,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:12:33,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:33" (1/1) ... [2024-11-14 05:12:33,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:12:33,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:12:33,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:12:33,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:12:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:12:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:12:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:12:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:12:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:12:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:12:33,488 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:12:33,491 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:12:34,177 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 05:12:34,178 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:12:34,590 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:12:34,591 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:12:34,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:12:34 BoogieIcfgContainer [2024-11-14 05:12:34,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:12:34,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:12:34,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:12:34,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:12:34,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:12:32" (1/3) ... [2024-11-14 05:12:34,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d2df33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:12:34, skipping insertion in model container [2024-11-14 05:12:34,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:33" (2/3) ... [2024-11-14 05:12:34,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d2df33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:12:34, skipping insertion in model container [2024-11-14 05:12:34,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:12:34" (3/3) ... [2024-11-14 05:12:34,612 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-54.i [2024-11-14 05:12:34,640 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:12:34,643 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-54.i that has 2 procedures, 43 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:12:34,726 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:12:34,746 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;@e9324c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:12:34,747 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:12:34,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-14 05:12:34,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-14 05:12:34,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:12:34,772 INFO L215 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:12:34,773 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:12:34,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:12:34,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1171954100, now seen corresponding path program 1 times [2024-11-14 05:12:34,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:12:34,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144469304] [2024-11-14 05:12:34,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:12:34,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:12:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:12:35,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1944214187] [2024-11-14 05:12:35,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:12:35,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:12:35,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:12:35,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:12:35,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:12:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:12:36,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:12:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:12:37,638 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:12:37,642 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:12:37,644 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:12:37,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:12:37,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 05:12:37,854 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:12:37,998 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:12:38,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:12:38 BoogieIcfgContainer [2024-11-14 05:12:38,006 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:12:38,007 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:12:38,007 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:12:38,008 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:12:38,009 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:12:34" (3/4) ... [2024-11-14 05:12:38,014 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:12:38,015 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:12:38,016 INFO L158 Benchmark]: Toolchain (without parser) took 5385.74ms. Allocated memory is still 167.8MB. Free memory was 130.1MB in the beginning and 79.6MB in the end (delta: 50.5MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-11-14 05:12:38,017 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:12:38,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.97ms. Allocated memory is still 167.8MB. Free memory was 129.8MB in the beginning and 116.3MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:12:38,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.26ms. Allocated memory is still 167.8MB. Free memory was 116.3MB in the beginning and 114.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:12:38,018 INFO L158 Benchmark]: Boogie Preprocessor took 53.76ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 112.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:12:38,019 INFO L158 Benchmark]: RCFGBuilder took 1373.73ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 78.0MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 05:12:38,020 INFO L158 Benchmark]: TraceAbstraction took 3409.71ms. Allocated memory is still 167.8MB. Free memory was 77.4MB in the beginning and 80.3MB in the end (delta: -2.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-14 05:12:38,020 INFO L158 Benchmark]: Witness Printer took 7.55ms. Allocated memory is still 167.8MB. Free memory was 79.6MB in the beginning and 79.6MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:12:38,023 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.97ms. Allocated memory is still 167.8MB. Free memory was 129.8MB in the beginning and 116.3MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.26ms. Allocated memory is still 167.8MB. Free memory was 116.3MB in the beginning and 114.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.76ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 112.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1373.73ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 78.0MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3409.71ms. Allocated memory is still 167.8MB. Free memory was 77.4MB in the beginning and 80.3MB in the end (delta: -2.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Witness Printer took 7.55ms. Allocated memory is still 167.8MB. Free memory was 79.6MB in the beginning and 79.6MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryFLOATComparisonOperation at line 114, overapproximation of someBinaryFLOATComparisonOperation at line 116, overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryArithmeticFLOAToperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -4; [L23] signed short int var_1_4 = 256; [L24] signed short int var_1_5 = 0; [L25] signed short int var_1_6 = 25; [L26] signed short int var_1_8 = 100; [L27] unsigned char var_1_9 = 1; [L28] signed short int var_1_10 = -4; [L29] unsigned char var_1_11 = 0; [L30] unsigned char var_1_12 = 0; [L31] unsigned char var_1_13 = 1; [L32] unsigned long int var_1_14 = 64; [L33] double var_1_15 = 10.3; [L34] double var_1_16 = 128.6; [L35] unsigned long int var_1_17 = 2600113953; [L36] float var_1_18 = 8.25; [L37] float var_1_19 = 31.5; [L38] float var_1_20 = 2.625; [L39] float var_1_21 = 999999999999999.2; [L40] float var_1_22 = 127.5; [L41] unsigned char last_1_var_1_9 = 1; [L126] isInitial = 1 [L127] FCALL initially() [L128] COND TRUE 1 [L129] CALL updateLastVariables() [L119] last_1_var_1_9 = var_1_9 [L129] RET updateLastVariables() [L130] CALL updateVariables() [L83] var_1_4 = __VERIFIER_nondet_short() [L84] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L85] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L86] var_1_5 = __VERIFIER_nondet_short() [L87] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=100, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_5 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_5 <= 32766) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=100, var_1_9=1] [L89] var_1_8 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L92] var_1_10 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_10 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_10 >= -32768) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L96] var_1_11 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L98] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L99] var_1_12 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L102] var_1_15 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L104] var_1_16 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L106] var_1_17 = __VERIFIER_nondet_ulong() [L107] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_17=-6442450945, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_17=-6442450945, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L108] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_17=-6442450945, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_17=-6442450945, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L109] var_1_19 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_17=-6442450945, var_1_18=33/4, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_17=-6442450945, var_1_18=33/4, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L111] var_1_20 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_17=-6442450945, var_1_18=33/4, var_1_1=-4, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_17=-6442450945, var_1_18=33/4, var_1_1=-4, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L113] var_1_21 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_17=-6442450945, var_1_18=33/4, var_1_1=-4, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_17=-6442450945, var_1_18=33/4, var_1_1=-4, var_1_22=255/2, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L115] var_1_22 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_17=-6442450945, var_1_18=33/4, var_1_1=-4, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=64, var_1_17=-6442450945, var_1_18=33/4, var_1_1=-4, var_1_4=1, var_1_5=-1, var_1_6=25, var_1_8=31, var_1_9=1] [L130] RET updateVariables() [L131] CALL step() [L45] COND TRUE \read(last_1_var_1_9) [L46] COND FALSE !(var_1_5 == var_1_4) [L49] var_1_6 = var_1_8 [L54] COND TRUE -32 >= (var_1_5 - var_1_8) [L55] COND FALSE !(var_1_10 > var_1_6) [L58] var_1_18 = var_1_20 [L63] COND TRUE var_1_18 < ((((var_1_18) > ((var_1_15 - var_1_16))) ? (var_1_18) : ((var_1_15 - var_1_16)))) [L64] var_1_14 = (var_1_17 - (var_1_8 + var_1_4)) [L66] unsigned long int stepLocal_0 = var_1_14; [L67] COND TRUE ((var_1_8 % var_1_10) * (8 + var_1_14)) >= stepLocal_0 [L68] var_1_9 = ((! var_1_11) || var_1_12) [L72] COND FALSE !(var_1_18 > var_1_18) [L75] var_1_1 = var_1_4 [L77] unsigned long int stepLocal_1 = (((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5)); [L78] COND FALSE !(((var_1_8 * var_1_1) + var_1_4) >= stepLocal_1) [L131] RET step() [L132] CALL, EXPR property() [L122-L123] return ((((((var_1_18 > var_1_18) ? (var_1_1 == ((signed short int) ((((((2 + var_1_4)) < (var_1_5)) ? ((2 + var_1_4)) : (var_1_5))) - 2))) : (var_1_1 == ((signed short int) var_1_4))) && (last_1_var_1_9 ? ((var_1_5 == var_1_4) ? (var_1_6 == ((signed short int) ((((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) < ((var_1_4 - var_1_8))) ? (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) : ((var_1_4 - var_1_8)))))) : (var_1_6 == ((signed short int) var_1_8))) : (var_1_6 == ((signed short int) var_1_4)))) && ((((var_1_8 % var_1_10) * (8 + var_1_14)) >= var_1_14) ? (var_1_9 == ((unsigned char) ((! var_1_11) || var_1_12))) : (var_1_9 == ((unsigned char) (! var_1_12))))) && ((((var_1_8 * var_1_1) + var_1_4) >= ((((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5)))) ? (var_1_13 == ((unsigned char) var_1_12)) : 1)) && ((var_1_18 < ((((var_1_18) > ((var_1_15 - var_1_16))) ? (var_1_18) : ((var_1_15 - var_1_16))))) ? (var_1_14 == ((unsigned long int) (var_1_17 - (var_1_8 + var_1_4)))) : 1)) && ((-32 >= (var_1_5 - var_1_8)) ? ((var_1_10 > var_1_6) ? (var_1_18 == ((float) ((var_1_19 - var_1_20) + (var_1_21 + var_1_22)))) : (var_1_18 == ((float) var_1_20))) : (var_1_18 == ((float) var_1_19))) ; [L132] RET, EXPR property() [L132] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=-6442450977, var_1_17=-6442450945, var_1_18=2, var_1_19=0, var_1_1=1, var_1_20=2, var_1_4=1, var_1_5=-1, var_1_6=31, var_1_8=31, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-29, var_1_11=1, var_1_12=256, var_1_13=1, var_1_14=-6442450977, var_1_17=-6442450945, var_1_18=2, var_1_19=0, var_1_1=1, var_1_20=2, var_1_4=1, var_1_5=-1, var_1_6=31, var_1_8=31, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 1, TraceHistogramMax: 21, 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=43occurred 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, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 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 05:12:38,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/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_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/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_33f035d6-be54-42d5-bd49-1b1cffda7395/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 6a1c664dccb2fd20712875143d7c0791ea927630b38961ab634617ccb1638f52 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:12:42,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:12:42,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:12:42,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:12:42,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:12:42,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:12:42,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:12:42,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:12:42,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:12:42,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:12:42,364 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:12:42,364 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:12:42,365 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:12:42,365 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:12:42,365 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:12:42,365 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:12:42,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:12:42,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:12:42,367 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:12:42,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:12:42,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:12:42,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:12:42,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:12:42,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:12:42,368 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:12:42,368 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:12:42,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:12:42,368 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:12:42,369 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:12:42,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:12:42,369 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:12:42,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:12:42,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:12:42,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:12:42,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:12:42,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:12:42,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:12:42,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:12:42,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:12:42,371 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:12:42,371 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:12:42,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:12:42,372 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:12:42,372 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_33f035d6-be54-42d5-bd49-1b1cffda7395/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 -> 6a1c664dccb2fd20712875143d7c0791ea927630b38961ab634617ccb1638f52 [2024-11-14 05:12:42,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:12:42,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:12:42,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:12:42,925 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:12:42,925 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:12:42,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i Unable to find full path for "g++" [2024-11-14 05:12:45,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:12:46,358 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:12:46,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i [2024-11-14 05:12:46,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/data/8ac0296a3/a585dd6bff994482b24195c950f735e0/FLAG3c355402a [2024-11-14 05:12:46,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/data/8ac0296a3/a585dd6bff994482b24195c950f735e0 [2024-11-14 05:12:46,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:12:46,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:12:46,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:12:46,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:12:46,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:12:46,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:12:46" (1/1) ... [2024-11-14 05:12:46,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc26dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:46, skipping insertion in model container [2024-11-14 05:12:46,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:12:46" (1/1) ... [2024-11-14 05:12:46,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:12:46,807 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_33f035d6-be54-42d5-bd49-1b1cffda7395/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i[915,928] [2024-11-14 05:12:46,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:12:46,977 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:12:47,005 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_33f035d6-be54-42d5-bd49-1b1cffda7395/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i[915,928] [2024-11-14 05:12:47,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:12:47,097 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:12:47,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:47 WrapperNode [2024-11-14 05:12:47,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:12:47,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:12:47,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:12:47,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:12:47,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:47" (1/1) ... [2024-11-14 05:12:47,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:47" (1/1) ... [2024-11-14 05:12:47,191 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-11-14 05:12:47,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:12:47,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:12:47,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:12:47,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:12:47,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:47" (1/1) ... [2024-11-14 05:12:47,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:47" (1/1) ... [2024-11-14 05:12:47,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:47" (1/1) ... [2024-11-14 05:12:47,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:47" (1/1) ... [2024-11-14 05:12:47,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:47" (1/1) ... [2024-11-14 05:12:47,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:47" (1/1) ... [2024-11-14 05:12:47,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:47" (1/1) ... [2024-11-14 05:12:47,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:47" (1/1) ... [2024-11-14 05:12:47,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:12:47,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:12:47,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:12:47,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:12:47,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:47" (1/1) ... [2024-11-14 05:12:47,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:12:47,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:12:47,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:12:47,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:12:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:12:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:12:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:12:47,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:12:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:12:47,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:12:47,585 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:12:47,589 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:12:53,550 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 05:12:53,550 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:12:53,567 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:12:53,567 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:12:53,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:12:53 BoogieIcfgContainer [2024-11-14 05:12:53,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:12:53,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:12:53,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:12:53,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:12:53,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:12:46" (1/3) ... [2024-11-14 05:12:53,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cebe19f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:12:53, skipping insertion in model container [2024-11-14 05:12:53,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:12:47" (2/3) ... [2024-11-14 05:12:53,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cebe19f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:12:53, skipping insertion in model container [2024-11-14 05:12:53,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:12:53" (3/3) ... [2024-11-14 05:12:53,592 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-54.i [2024-11-14 05:12:53,618 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:12:53,621 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-54.i that has 2 procedures, 63 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:12:53,728 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:12:53,750 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;@fd8dedf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:12:53,751 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:12:53,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-14 05:12:53,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-14 05:12:53,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:12:53,780 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:12:53,781 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:12:53,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:12:53,788 INFO L85 PathProgramCache]: Analyzing trace with hash -667504835, now seen corresponding path program 1 times [2024-11-14 05:12:53,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:12:53,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426558891] [2024-11-14 05:12:53,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:12:53,806 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 05:12:53,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:12:53,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/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 05:12:53,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/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 05:12:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:12:54,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:12:54,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:12:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-11-14 05:12:54,857 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:12:54,858 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:12:54,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1426558891] [2024-11-14 05:12:54,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1426558891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:12:54,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:12:54,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:12:54,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451580769] [2024-11-14 05:12:54,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:12:54,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:12:54,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:12:54,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:12:54,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:12:54,905 INFO L87 Difference]: Start difference. First operand has 63 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-14 05:12:54,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:12:54,960 INFO L93 Difference]: Finished difference Result 119 states and 203 transitions. [2024-11-14 05:12:54,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:12:54,964 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-14 05:12:54,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:12:54,973 INFO L225 Difference]: With dead ends: 119 [2024-11-14 05:12:54,973 INFO L226 Difference]: Without dead ends: 59 [2024-11-14 05:12:54,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 05:12:54,983 INFO L432 NwaCegarLoop]: 86 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, 86 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 05:12:54,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:12:55,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-14 05:12:55,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-14 05:12:55,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-14 05:12:55,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2024-11-14 05:12:55,077 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 135 [2024-11-14 05:12:55,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:12:55,078 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2024-11-14 05:12:55,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-14 05:12:55,082 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2024-11-14 05:12:55,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-14 05:12:55,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:12:55,092 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:12:55,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/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 05:12:55,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/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 05:12:55,293 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:12:55,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:12:55,294 INFO L85 PathProgramCache]: Analyzing trace with hash 170771709, now seen corresponding path program 1 times [2024-11-14 05:12:55,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:12:55,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202726851] [2024-11-14 05:12:55,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:12:55,297 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 05:12:55,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:12:55,303 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/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 05:12:55,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/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 05:12:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:12:55,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:12:55,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:12:57,547 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-14 05:12:57,550 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:12:57,550 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:12:57,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202726851] [2024-11-14 05:12:57,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202726851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:12:57,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:12:57,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:12:57,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123379866] [2024-11-14 05:12:57,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:12:57,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:12:57,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:12:57,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:12:57,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:12:57,562 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-14 05:13:00,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:13:02,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:13:04,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:13:06,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:13:06,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:13:06,524 INFO L93 Difference]: Finished difference Result 172 states and 253 transitions. [2024-11-14 05:13:06,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:13:06,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 135 [2024-11-14 05:13:06,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:13:06,561 INFO L225 Difference]: With dead ends: 172 [2024-11-14 05:13:06,561 INFO L226 Difference]: Without dead ends: 116 [2024-11-14 05:13:06,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:13:06,564 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 52 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 43 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:13:06,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 242 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 8 Invalid, 4 Unknown, 0 Unchecked, 8.9s Time] [2024-11-14 05:13:06,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-14 05:13:06,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 100. [2024-11-14 05:13:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-14 05:13:06,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2024-11-14 05:13:06,633 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 135 [2024-11-14 05:13:06,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:13:06,635 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2024-11-14 05:13:06,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-14 05:13:06,635 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2024-11-14 05:13:06,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-14 05:13:06,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:13:06,641 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:13:06,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 05:13:06,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/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 05:13:06,842 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:13:06,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:13:06,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1259137638, now seen corresponding path program 1 times [2024-11-14 05:13:06,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:13:06,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2124467934] [2024-11-14 05:13:06,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:13:06,845 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 05:13:06,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:13:06,849 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/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 05:13:06,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f035d6-be54-42d5-bd49-1b1cffda7395/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 05:13:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:13:07,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-14 05:13:07,599 INFO L278 TraceCheckSpWp]: Computing forward predicates...