./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-98.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_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/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_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/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_01cf279e-3fda-436c-a883-22bd28068850/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 d547daa42312808cc28862dd4b94a0086c06ba412007b6d7dd9deffeebecb3b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:48:47,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:48:47,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:48:47,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:48:47,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:48:47,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:48:47,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:48:47,876 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:48:47,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:48:47,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:48:47,878 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:48:47,878 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:48:47,879 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:48:47,879 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:48:47,879 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:48:47,879 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:48:47,879 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:48:47,879 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:48:47,879 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:48:47,881 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:48:47,882 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:48:47,882 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:48:47,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:48:47,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:48:47,882 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:48:47,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:48:47,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:48:47,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:48:47,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:48:47,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:48:47,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:48:47,883 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:48:47,883 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:48:47,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:48:47,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:48:47,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:48:47,883 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:48:47,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:48:47,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:48:47,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:48:47,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:48:47,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:48:47,884 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:48:47,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:48:47,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:48:47,884 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:48:47,884 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:48:47,884 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_01cf279e-3fda-436c-a883-22bd28068850/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 -> d547daa42312808cc28862dd4b94a0086c06ba412007b6d7dd9deffeebecb3b2 [2024-11-14 03:48:48,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:48:48,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:48:48,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:48:48,170 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:48:48,171 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:48:48,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-98.i Unable to find full path for "g++" [2024-11-14 03:48:50,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:48:50,551 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:48:50,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-98.i [2024-11-14 03:48:50,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/data/91e416c36/f09e76ba19ad40ce907fb81532dc2eea/FLAG9965c144a [2024-11-14 03:48:50,590 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/data/91e416c36/f09e76ba19ad40ce907fb81532dc2eea [2024-11-14 03:48:50,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:48:50,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:48:50,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:48:50,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:48:50,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:48:50,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:48:50" (1/1) ... [2024-11-14 03:48:50,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7458d29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:50, skipping insertion in model container [2024-11-14 03:48:50,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:48:50" (1/1) ... [2024-11-14 03:48:50,637 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:48:50,843 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_01cf279e-3fda-436c-a883-22bd28068850/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-98.i[915,928] [2024-11-14 03:48:50,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:48:50,962 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:48:50,975 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_01cf279e-3fda-436c-a883-22bd28068850/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-98.i[915,928] [2024-11-14 03:48:51,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:48:51,032 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:48:51,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:51 WrapperNode [2024-11-14 03:48:51,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:48:51,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:48:51,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:48:51,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:48:51,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:51" (1/1) ... [2024-11-14 03:48:51,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:51" (1/1) ... [2024-11-14 03:48:51,094 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2024-11-14 03:48:51,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:48:51,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:48:51,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:48:51,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:48:51,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:51" (1/1) ... [2024-11-14 03:48:51,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:51" (1/1) ... [2024-11-14 03:48:51,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:51" (1/1) ... [2024-11-14 03:48:51,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:51" (1/1) ... [2024-11-14 03:48:51,130 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:51" (1/1) ... [2024-11-14 03:48:51,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:51" (1/1) ... [2024-11-14 03:48:51,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:51" (1/1) ... [2024-11-14 03:48:51,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:51" (1/1) ... [2024-11-14 03:48:51,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:48:51,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:48:51,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:48:51,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:48:51,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:51" (1/1) ... [2024-11-14 03:48:51,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:48:51,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:48:51,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:48:51,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:48:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:48:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:48:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:48:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:48:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:48:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:48:51,415 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:48:51,417 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:48:51,951 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-14 03:48:51,951 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:48:52,222 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:48:52,222 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:48:52,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:48:52 BoogieIcfgContainer [2024-11-14 03:48:52,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:48:52,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:48:52,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:48:52,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:48:52,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:48:50" (1/3) ... [2024-11-14 03:48:52,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d110179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:48:52, skipping insertion in model container [2024-11-14 03:48:52,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:48:51" (2/3) ... [2024-11-14 03:48:52,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d110179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:48:52, skipping insertion in model container [2024-11-14 03:48:52,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:48:52" (3/3) ... [2024-11-14 03:48:52,235 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-98.i [2024-11-14 03:48:52,251 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:48:52,253 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-98.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:48:52,315 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:48:52,328 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;@443ae2fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:48:52,329 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:48:52,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:48:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-14 03:48:52,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:48:52,343 INFO L215 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:48:52,344 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:48:52,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:48:52,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1780147062, now seen corresponding path program 1 times [2024-11-14 03:48:52,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:48:52,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708133469] [2024-11-14 03:48:52,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:48:52,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:48:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:48:53,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2137321338] [2024-11-14 03:48:53,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:48:53,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:48:53,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:48:53,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:48:53,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:48:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:48:53,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:48:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:48:54,560 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:48:54,563 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:48:54,564 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:48:54,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:48:54,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:48:54,776 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:48:54,891 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:48:54,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:48:54 BoogieIcfgContainer [2024-11-14 03:48:54,895 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:48:54,896 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:48:54,896 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:48:54,896 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:48:54,897 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:48:52" (3/4) ... [2024-11-14 03:48:54,899 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:48:54,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:48:54,904 INFO L158 Benchmark]: Toolchain (without parser) took 4306.11ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 36.8MB in the end (delta: 56.4MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-14 03:48:54,904 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:48:54,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.95ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 78.8MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:48:54,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.07ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 75.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:48:54,907 INFO L158 Benchmark]: Boogie Preprocessor took 61.79ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 74.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:48:54,908 INFO L158 Benchmark]: RCFGBuilder took 1060.95ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 76.1MB in the end (delta: -2.0MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-11-14 03:48:54,908 INFO L158 Benchmark]: TraceAbstraction took 2669.31ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 36.8MB in the end (delta: 38.8MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-14 03:48:54,908 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 117.4MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:48:54,913 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.95ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 78.8MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.07ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 75.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.79ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 74.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1060.95ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 76.1MB in the end (delta: -2.0MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2669.31ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 36.8MB in the end (delta: 38.8MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 117.4MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 82, overapproximation of bitwiseAnd at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] signed short int var_1_4 = -10; [L24] signed short int var_1_5 = 100; [L25] double var_1_6 = 0.5; [L26] double var_1_7 = 16.5; [L27] double var_1_8 = 7.4; [L28] unsigned short int var_1_9 = 4; [L29] unsigned char var_1_10 = 0; [L30] unsigned long int var_1_11 = 1000000000; [L31] unsigned short int var_1_12 = 256; [L32] signed short int var_1_13 = 16; [L33] signed short int var_1_14 = 64; [L34] unsigned short int var_1_15 = 63836; [L35] unsigned short int var_1_16 = 10; [L36] signed char var_1_17 = -8; [L37] signed char var_1_18 = 8; [L38] signed short int var_1_19 = 50; [L39] signed short int var_1_20 = 10; [L40] signed short int var_1_21 = 10000; [L41] signed char var_1_22 = -2; [L42] signed long int last_1_var_1_1 = -64; [L131] isInitial = 1 [L132] FCALL initially() [L133] int k_loop; [L134] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-10, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L134] COND TRUE k_loop < 1 [L135] CALL updateLastVariables() [L124] last_1_var_1_1 = var_1_1 [L135] RET updateLastVariables() [L136] CALL updateVariables() [L86] var_1_4 = __VERIFIER_nondet_short() [L87] CALL assume_abort_if_not(var_1_4 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_4 >= -32768) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L88] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L89] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L90] var_1_5 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L92] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L93] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L94] var_1_7 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_8=37/5, var_1_9=4] [L96] var_1_8 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L98] var_1_10 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L101] var_1_13 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L103] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L104] var_1_14 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L106] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L107] var_1_15 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_15 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_15 >= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L109] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L110] var_1_16 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L112] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L113] var_1_18 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L115] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L116] var_1_20 = __VERIFIER_nondet_short() [L117] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16293, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16293, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L118] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16293, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16293, var_1_21=10000, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L119] var_1_21 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_21 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16293, var_1_21=16383, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_21 >= 8191) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16293, var_1_21=16383, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L121] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16293, var_1_21=16383, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=1000000000, var_1_12=256, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-8, var_1_18=-127, var_1_19=50, var_1_1=-64, var_1_20=16293, var_1_21=16383, var_1_22=-2, var_1_4=-32768, var_1_5=3, var_1_6=1/2, var_1_9=4] [L136] RET updateVariables() [L137] CALL step() [L46] COND TRUE (var_1_5 * (var_1_13 - var_1_14)) <= last_1_var_1_1 [L47] var_1_12 = (var_1_15 - ((((var_1_14) > (var_1_16)) ? (var_1_14) : (var_1_16)))) [L49] var_1_11 = (((((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))) < 0 ) ? -((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))) : ((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))))) [L50] unsigned short int stepLocal_3 = var_1_12; [L51] unsigned short int stepLocal_2 = var_1_12; [L52] unsigned short int stepLocal_1 = var_1_12; [L53] unsigned long int stepLocal_0 = var_1_11; [L54] EXPR (var_1_11 / var_1_4) & 8 [L54] COND TRUE stepLocal_3 <= ((var_1_11 / var_1_4) & 8) [L55] COND FALSE !(-16 <= stepLocal_0) [L69] COND FALSE !(\read(var_1_10)) [L74] var_1_17 = var_1_18 [L75] COND TRUE var_1_13 <= var_1_11 [L76] var_1_19 = ((var_1_12 + 25) + (var_1_20 - (var_1_21 - 1))) [L80] var_1_22 = var_1_18 [L81] COND TRUE var_1_19 <= var_1_1 [L82] var_1_6 = (var_1_7 + var_1_8) [L137] RET step() [L138] CALL, EXPR property() [L127] EXPR (var_1_11 / var_1_4) & 8 [L127-L128] return ((((((((var_1_12 <= ((var_1_11 / var_1_4) & 8)) ? ((-16 <= var_1_11) ? ((var_1_12 != (var_1_11 / ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (var_1_1 == ((signed long int) ((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))))) : (var_1_1 == ((signed long int) ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : 1) : ((var_1_11 <= var_1_12) ? (var_1_1 == ((signed long int) var_1_4)) : (var_1_1 == ((signed long int) var_1_11)))) && ((var_1_19 <= var_1_1) ? (var_1_6 == ((double) (var_1_7 + var_1_8))) : 1)) && (var_1_10 ? ((var_1_4 < (var_1_12 + var_1_5)) ? (var_1_9 == ((unsigned short int) 16)) : 1) : 1)) && (var_1_11 == ((unsigned long int) (((((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))) < 0 ) ? -((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))) : ((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12))))))))) && (((var_1_5 * (var_1_13 - var_1_14)) <= last_1_var_1_1) ? (var_1_12 == ((unsigned short int) (var_1_15 - ((((var_1_14) > (var_1_16)) ? (var_1_14) : (var_1_16)))))) : 1)) && (var_1_17 == ((signed char) var_1_18))) && ((var_1_13 <= var_1_11) ? (var_1_19 == ((signed short int) ((var_1_12 + 25) + (var_1_20 - (var_1_21 - 1))))) : (var_1_19 == ((signed short int) ((((((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) > (var_1_12)) ? (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) : (var_1_12))))))) && (var_1_22 == ((signed char) var_1_18)) ; [L138] RET, EXPR property() [L138] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=3986216790, var_1_12=0, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-127, var_1_18=-127, var_1_19=-64, var_1_1=-64, var_1_20=16293, var_1_21=16383, var_1_22=-127, var_1_4=-32768, var_1_5=3, var_1_6=0, var_1_9=4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=256, var_1_11=3986216790, var_1_12=0, var_1_13=3, var_1_14=32767, var_1_15=163839, var_1_16=-32769, var_1_17=-127, var_1_18=-127, var_1_19=-64, var_1_1=-64, var_1_20=16293, var_1_21=16383, var_1_22=-127, var_1_4=-32768, var_1_5=3, var_1_6=0, var_1_9=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 1, TraceHistogramMax: 24, 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=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 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 03:48:54,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/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_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/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_01cf279e-3fda-436c-a883-22bd28068850/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 d547daa42312808cc28862dd4b94a0086c06ba412007b6d7dd9deffeebecb3b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:48:57,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:48:57,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:48:57,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:48:57,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:48:57,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:48:57,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:48:57,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:48:57,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:48:57,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:48:57,950 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:48:57,950 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:48:57,951 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:48:57,951 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:48:57,952 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:48:57,952 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:48:57,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:48:57,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:48:57,954 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:48:57,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:48:57,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:48:57,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:48:57,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:48:57,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:48:57,955 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:48:57,955 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:48:57,955 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:48:57,956 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:48:57,956 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:48:57,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:48:57,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:48:57,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:48:57,956 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:48:57,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:48:57,957 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:48:57,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:48:57,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:48:57,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:48:57,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:48:57,957 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:48:57,957 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:48:57,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:48:57,957 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:48:57,958 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_01cf279e-3fda-436c-a883-22bd28068850/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 -> d547daa42312808cc28862dd4b94a0086c06ba412007b6d7dd9deffeebecb3b2 [2024-11-14 03:48:58,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:48:58,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:48:58,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:48:58,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:48:58,366 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:48:58,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-98.i Unable to find full path for "g++" [2024-11-14 03:49:00,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:49:00,919 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:49:00,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-98.i [2024-11-14 03:49:00,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/data/eff56eb5e/16bb9126b06942c3b94b09bbef40782f/FLAGac636eb0f [2024-11-14 03:49:00,954 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/data/eff56eb5e/16bb9126b06942c3b94b09bbef40782f [2024-11-14 03:49:00,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:49:00,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:49:00,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:49:00,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:49:00,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:49:00,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:49:00" (1/1) ... [2024-11-14 03:49:00,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4349187b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:00, skipping insertion in model container [2024-11-14 03:49:00,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:49:00" (1/1) ... [2024-11-14 03:49:00,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:49:01,198 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_01cf279e-3fda-436c-a883-22bd28068850/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-98.i[915,928] [2024-11-14 03:49:01,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:49:01,330 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:49:01,347 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_01cf279e-3fda-436c-a883-22bd28068850/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-98.i[915,928] [2024-11-14 03:49:01,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:49:01,450 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:49:01,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:01 WrapperNode [2024-11-14 03:49:01,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:49:01,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:49:01,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:49:01,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:49:01,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:01" (1/1) ... [2024-11-14 03:49:01,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:01" (1/1) ... [2024-11-14 03:49:01,523 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-11-14 03:49:01,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:49:01,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:49:01,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:49:01,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:49:01,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:01" (1/1) ... [2024-11-14 03:49:01,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:01" (1/1) ... [2024-11-14 03:49:01,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:01" (1/1) ... [2024-11-14 03:49:01,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:01" (1/1) ... [2024-11-14 03:49:01,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:01" (1/1) ... [2024-11-14 03:49:01,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:01" (1/1) ... [2024-11-14 03:49:01,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:01" (1/1) ... [2024-11-14 03:49:01,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:01" (1/1) ... [2024-11-14 03:49:01,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:49:01,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:49:01,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:49:01,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:49:01,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:01" (1/1) ... [2024-11-14 03:49:01,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:49:01,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:49:01,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:49:01,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:49:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:49:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:49:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:49:01,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:49:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:49:01,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:49:01,724 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:49:01,727 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:49:02,930 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-14 03:49:02,930 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:49:02,948 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:49:02,950 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:49:02,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:49:02 BoogieIcfgContainer [2024-11-14 03:49:02,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:49:02,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:49:02,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:49:02,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:49:02,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:49:00" (1/3) ... [2024-11-14 03:49:02,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1ea5d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:49:02, skipping insertion in model container [2024-11-14 03:49:02,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:49:01" (2/3) ... [2024-11-14 03:49:02,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1ea5d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:49:02, skipping insertion in model container [2024-11-14 03:49:02,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:49:02" (3/3) ... [2024-11-14 03:49:02,965 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-98.i [2024-11-14 03:49:02,982 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:49:02,986 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-98.i that has 2 procedures, 67 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:49:03,069 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:49:03,081 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;@5e725fc8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:49:03,081 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:49:03,085 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:49:03,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-14 03:49:03,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:03,101 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:49:03,102 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:03,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:03,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1816626323, now seen corresponding path program 1 times [2024-11-14 03:49:03,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:49:03,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814330749] [2024-11-14 03:49:03,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:03,119 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 03:49:03,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:49:03,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/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 03:49:03,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/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 03:49:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:03,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:49:03,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:49:03,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-14 03:49:03,629 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:49:03,630 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:49:03,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [814330749] [2024-11-14 03:49:03,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [814330749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:49:03,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:49:03,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:49:03,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481542967] [2024-11-14 03:49:03,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:49:03,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:49:03,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:49:03,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:49:03,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:49:03,663 INFO L87 Difference]: Start difference. First operand has 67 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) 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, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-14 03:49:03,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:49:03,696 INFO L93 Difference]: Finished difference Result 131 states and 225 transitions. [2024-11-14 03:49:03,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:49:03,699 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, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 150 [2024-11-14 03:49:03,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:49:03,706 INFO L225 Difference]: With dead ends: 131 [2024-11-14 03:49:03,706 INFO L226 Difference]: Without dead ends: 63 [2024-11-14 03:49:03,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 03:49:03,713 INFO L432 NwaCegarLoop]: 99 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, 99 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 03:49:03,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:49:03,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-14 03:49:03,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-14 03:49:03,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:49:03,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2024-11-14 03:49:03,766 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 150 [2024-11-14 03:49:03,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:49:03,766 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2024-11-14 03:49:03,767 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, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-14 03:49:03,767 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2024-11-14 03:49:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-14 03:49:03,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:03,770 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:49:03,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/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 03:49:03,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/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 03:49:03,972 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:03,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:03,973 INFO L85 PathProgramCache]: Analyzing trace with hash -539740517, now seen corresponding path program 1 times [2024-11-14 03:49:03,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:49:03,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730101062] [2024-11-14 03:49:03,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:03,974 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 03:49:03,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:49:03,978 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/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 03:49:03,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/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 03:49:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:04,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:49:04,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:49:04,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-14 03:49:04,731 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:49:04,732 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:49:04,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730101062] [2024-11-14 03:49:04,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730101062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:49:04,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:49:04,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:49:04,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082526076] [2024-11-14 03:49:04,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:49:04,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:49:04,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:49:04,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:49:04,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:49:04,738 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-14 03:49:07,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:49:07,163 INFO L93 Difference]: Finished difference Result 227 states and 347 transitions. [2024-11-14 03:49:07,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:49:07,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 150 [2024-11-14 03:49:07,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:49:07,170 INFO L225 Difference]: With dead ends: 227 [2024-11-14 03:49:07,170 INFO L226 Difference]: Without dead ends: 167 [2024-11-14 03:49:07,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 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 03:49:07,172 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 158 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 98 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:49:07,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 372 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2024-11-14 03:49:07,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-14 03:49:07,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 119. [2024-11-14 03:49:07,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 68 states have internal predecessors, (84), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-14 03:49:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 180 transitions. [2024-11-14 03:49:07,240 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 180 transitions. Word has length 150 [2024-11-14 03:49:07,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:49:07,241 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 180 transitions. [2024-11-14 03:49:07,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-14 03:49:07,241 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 180 transitions. [2024-11-14 03:49:07,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-14 03:49:07,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:07,246 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:49:07,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/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 03:49:07,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/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 03:49:07,447 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:07,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:07,447 INFO L85 PathProgramCache]: Analyzing trace with hash -537893475, now seen corresponding path program 1 times [2024-11-14 03:49:07,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:49:07,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893434140] [2024-11-14 03:49:07,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:07,449 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 03:49:07,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:49:07,453 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/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 03:49:07,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cf279e-3fda-436c-a883-22bd28068850/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 03:49:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:07,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 03:49:07,849 INFO L278 TraceCheckSpWp]: Computing forward predicates...