./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.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_9de06e81-3bbc-4cef-b87f-8e3188728954/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de06e81-3bbc-4cef-b87f-8e3188728954/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_9de06e81-3bbc-4cef-b87f-8e3188728954/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de06e81-3bbc-4cef-b87f-8e3188728954/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de06e81-3bbc-4cef-b87f-8e3188728954/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_9de06e81-3bbc-4cef-b87f-8e3188728954/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 b8bc9de3d9f51bc5c6470e24c35cb3edba79759c76c5cfb6c2a32518b5b17fdc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:46:54,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:46:54,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de06e81-3bbc-4cef-b87f-8e3188728954/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:46:54,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:46:54,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:46:54,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:46:54,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:46:54,773 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:46:54,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:46:54,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:46:54,774 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:46:54,774 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:46:54,774 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:46:54,774 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:46:54,774 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:46:54,774 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:46:54,775 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:46:54,775 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:46:54,775 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:46:54,775 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:46:54,775 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:46:54,777 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:46:54,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:46:54,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:46:54,778 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:46:54,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:46:54,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:46:54,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:46:54,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:46:54,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:46:54,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:46:54,779 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:46:54,779 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:46:54,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:46:54,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:46:54,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:46:54,780 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:46:54,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:46:54,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:46:54,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:46:54,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:46:54,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:46:54,781 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:46:54,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:46:54,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:46:54,781 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:46:54,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:46:54,781 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_9de06e81-3bbc-4cef-b87f-8e3188728954/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 -> b8bc9de3d9f51bc5c6470e24c35cb3edba79759c76c5cfb6c2a32518b5b17fdc [2024-11-14 04:46:55,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:46:55,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:46:55,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:46:55,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:46:55,131 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:46:55,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de06e81-3bbc-4cef-b87f-8e3188728954/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i Unable to find full path for "g++" [2024-11-14 04:46:57,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:46:57,383 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:46:57,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de06e81-3bbc-4cef-b87f-8e3188728954/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i [2024-11-14 04:46:57,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de06e81-3bbc-4cef-b87f-8e3188728954/bin/utaipan-verify-sOmjnqqW8E/data/796d09975/fc3f1bbaceff4ef2842631db30bff237/FLAG180e2ceb9 [2024-11-14 04:46:57,644 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de06e81-3bbc-4cef-b87f-8e3188728954/bin/utaipan-verify-sOmjnqqW8E/data/796d09975/fc3f1bbaceff4ef2842631db30bff237 [2024-11-14 04:46:57,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:46:57,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:46:57,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:46:57,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:46:57,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:46:57,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:46:57" (1/1) ... [2024-11-14 04:46:57,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8245d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:57, skipping insertion in model container [2024-11-14 04:46:57,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:46:57" (1/1) ... [2024-11-14 04:46:57,684 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:46:57,826 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_9de06e81-3bbc-4cef-b87f-8e3188728954/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i[915,928] [2024-11-14 04:46:57,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:46:57,871 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:46:57,880 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_9de06e81-3bbc-4cef-b87f-8e3188728954/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i[915,928] [2024-11-14 04:46:57,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:46:57,926 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:46:57,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:57 WrapperNode [2024-11-14 04:46:57,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:46:57,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:46:57,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:46:57,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:46:57,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:57" (1/1) ... [2024-11-14 04:46:57,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:57" (1/1) ... [2024-11-14 04:46:57,987 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-14 04:46:57,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:46:57,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:46:57,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:46:57,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:46:57,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:57" (1/1) ... [2024-11-14 04:46:57,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:57" (1/1) ... [2024-11-14 04:46:57,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:57" (1/1) ... [2024-11-14 04:46:58,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:57" (1/1) ... [2024-11-14 04:46:58,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:57" (1/1) ... [2024-11-14 04:46:58,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:57" (1/1) ... [2024-11-14 04:46:58,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:57" (1/1) ... [2024-11-14 04:46:58,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:57" (1/1) ... [2024-11-14 04:46:58,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:46:58,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:46:58,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:46:58,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:46:58,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:57" (1/1) ... [2024-11-14 04:46:58,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:46:58,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de06e81-3bbc-4cef-b87f-8e3188728954/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:46:58,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de06e81-3bbc-4cef-b87f-8e3188728954/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:46:58,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de06e81-3bbc-4cef-b87f-8e3188728954/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:46:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:46:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:46:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:46:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:46:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:46:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:46:58,167 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:46:58,170 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:46:58,418 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-14 04:46:58,418 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:46:58,579 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:46:58,580 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:46:58,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:46:58 BoogieIcfgContainer [2024-11-14 04:46:58,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:46:58,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:46:58,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:46:58,591 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:46:58,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:46:57" (1/3) ... [2024-11-14 04:46:58,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee7aed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:46:58, skipping insertion in model container [2024-11-14 04:46:58,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:46:57" (2/3) ... [2024-11-14 04:46:58,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee7aed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:46:58, skipping insertion in model container [2024-11-14 04:46:58,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:46:58" (3/3) ... [2024-11-14 04:46:58,595 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-33.i [2024-11-14 04:46:58,612 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:46:58,614 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-33.i that has 2 procedures, 22 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:46:58,676 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:46:58,688 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;@145edb2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:46:58,688 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:46:58,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 04:46:58,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-14 04:46:58,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:46:58,701 INFO L215 NwaCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:46:58,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:46:58,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:46:58,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1561518676, now seen corresponding path program 1 times [2024-11-14 04:46:58,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:46:58,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898235952] [2024-11-14 04:46:58,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:46:58,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:46:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:47:00,760 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-14 04:47:00,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:47:00,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898235952] [2024-11-14 04:47:00,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898235952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:47:00,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:47:00,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:47:00,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421414538] [2024-11-14 04:47:00,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:47:00,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:47:00,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:47:00,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:47:00,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:47:00,797 INFO L87 Difference]: Start difference. First operand has 22 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-14 04:47:01,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:47:01,131 INFO L93 Difference]: Finished difference Result 64 states and 88 transitions. [2024-11-14 04:47:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:47:01,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 33 [2024-11-14 04:47:01,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:47:01,141 INFO L225 Difference]: With dead ends: 64 [2024-11-14 04:47:01,141 INFO L226 Difference]: Without dead ends: 40 [2024-11-14 04:47:01,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:47:01,148 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 13 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:47:01,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 91 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:47:01,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-14 04:47:01,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2024-11-14 04:47:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 04:47:01,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2024-11-14 04:47:01,197 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 33 [2024-11-14 04:47:01,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:47:01,198 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2024-11-14 04:47:01,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-14 04:47:01,199 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2024-11-14 04:47:01,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-14 04:47:01,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:47:01,201 INFO L215 NwaCegarLoop]: trace histogram [16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-14 04:47:01,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:47:01,202 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:47:01,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:47:01,203 INFO L85 PathProgramCache]: Analyzing trace with hash -2026933442, now seen corresponding path program 1 times [2024-11-14 04:47:01,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:47:01,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094084609] [2024-11-14 04:47:01,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:47:01,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:47:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:47:01,351 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-14 04:47:01,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:47:01,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094084609] [2024-11-14 04:47:01,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094084609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:47:01,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:47:01,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:47:01,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359995853] [2024-11-14 04:47:01,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:47:01,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:47:01,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:47:01,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:47:01,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:47:01,355 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-14 04:47:01,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:47:01,435 INFO L93 Difference]: Finished difference Result 40 states and 54 transitions. [2024-11-14 04:47:01,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:47:01,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 65 [2024-11-14 04:47:01,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:47:01,436 INFO L225 Difference]: With dead ends: 40 [2024-11-14 04:47:01,436 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:47:01,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:47:01,437 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:47:01,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:47:01,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:47:01,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:47:01,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:47:01,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:47:01,439 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2024-11-14 04:47:01,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:47:01,440 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:47:01,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-14 04:47:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:47:01,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:47:01,445 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:47:01,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:47:01,451 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 04:47:01,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 04:47:01,782 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:47:01,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:47:01 BoogieIcfgContainer [2024-11-14 04:47:01,821 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:47:01,822 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:47:01,822 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:47:01,823 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:47:01,824 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:46:58" (3/4) ... [2024-11-14 04:47:01,826 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:47:01,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-14 04:47:01,838 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-14 04:47:01,838 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-14 04:47:01,838 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-14 04:47:01,839 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:47:01,953 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de06e81-3bbc-4cef-b87f-8e3188728954/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:47:01,954 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de06e81-3bbc-4cef-b87f-8e3188728954/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:47:01,954 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:47:01,955 INFO L158 Benchmark]: Toolchain (without parser) took 4306.34ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.4MB in the beginning and 321.4MB in the end (delta: -228.0MB). Peak memory consumption was 207.3MB. Max. memory is 16.1GB. [2024-11-14 04:47:01,956 INFO L158 Benchmark]: CDTParser took 1.71ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:47:01,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.64ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 80.9MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:47:01,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.16ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 78.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:47:01,957 INFO L158 Benchmark]: Boogie Preprocessor took 24.20ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:47:01,957 INFO L158 Benchmark]: RCFGBuilder took 565.76ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 50.6MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:47:01,958 INFO L158 Benchmark]: TraceAbstraction took 3236.26ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 49.9MB in the beginning and 128.4MB in the end (delta: -78.5MB). Peak memory consumption was 156.4MB. Max. memory is 16.1GB. [2024-11-14 04:47:01,958 INFO L158 Benchmark]: Witness Printer took 131.60ms. Allocated memory is still 352.3MB. Free memory was 128.4MB in the beginning and 321.4MB in the end (delta: -193.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-14 04:47:01,961 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.71ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.64ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 80.9MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.16ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 78.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.20ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 565.76ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 50.6MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3236.26ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 49.9MB in the beginning and 128.4MB in the end (delta: -78.5MB). Peak memory consumption was 156.4MB. Max. memory is 16.1GB. * Witness Printer took 131.60ms. Allocated memory is still 352.3MB. Free memory was 128.4MB in the beginning and 321.4MB in the end (delta: -193.0MB). Peak memory consumption was 9.0MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 133 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 89 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 44 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=1, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 737 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 311/311 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: (((((((((128 * ((64 + (32767 * last_1_var_1_7)) / 32768)) + 1) <= (128 * last_1_var_1_7)) && (k_loop == 0)) && (200 == var_1_7)) && (50 <= last_1_var_1_9)) && ((((64 + (32767 * last_1_var_1_7)) / 32768) + 1) <= last_1_var_1_7)) && (50 <= var_1_9)) || (0 < k_loop)) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (((((((128 * ((64 + (32767 * last_1_var_1_7)) / 32768)) + 1) <= (128 * last_1_var_1_7)) && (200 == var_1_7)) && (50 <= last_1_var_1_9)) && ((((64 + (32767 * last_1_var_1_7)) / 32768) + 1) <= last_1_var_1_7)) && (50 <= var_1_9)) Ensures: ((((((((128 * ((64 + (32767 * last_1_var_1_7)) / 32768)) + 1) <= (128 * last_1_var_1_7)) && (200 == var_1_7)) && (50 <= last_1_var_1_9)) && ((((64 + (32767 * last_1_var_1_7)) / 32768) + 1) <= last_1_var_1_7)) && (50 <= var_1_9)) && ((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18))) && (last_1_var_1_7 == \old(last_1_var_1_7))) && (last_1_var_1_9 == \old(last_1_var_1_9)))) RESULT: Ultimate proved your program to be correct! [2024-11-14 04:47:01,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de06e81-3bbc-4cef-b87f-8e3188728954/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 Writing output log to file Ultimate.log Result: TRUE