./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ --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 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:58:22,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:58:22,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:58:23,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:58:23,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:58:23,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:58:23,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:58:23,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:58:23,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:58:23,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:58:23,050 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:58:23,051 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:58:23,051 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:58:23,054 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:58:23,054 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:58:23,054 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:58:23,055 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:58:23,055 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:58:23,056 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:58:23,056 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:58:23,056 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:58:23,057 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:58:23,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:58:23,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:58:23,059 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:58:23,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:58:23,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:58:23,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:58:23,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:58:23,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:58:23,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:58:23,064 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:58:23,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:58:23,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:58:23,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:58:23,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:58:23,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:23,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:58:23,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:58:23,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:58:23,066 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:58:23,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:58:23,067 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:58:23,067 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:58:23,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:58:23,068 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 [2023-11-19 04:58:23,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:58:23,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:58:23,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:58:23,375 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:58:23,376 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:58:23,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2023-11-19 04:58:26,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:26,876 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:26,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2023-11-19 04:58:26,885 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/data/fb50db14e/84a936d811a644bea5d240b0abae0ca4/FLAG386131749 [2023-11-19 04:58:26,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/data/fb50db14e/84a936d811a644bea5d240b0abae0ca4 [2023-11-19 04:58:26,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:26,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:26,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:26,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:26,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:26,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:26" (1/1) ... [2023-11-19 04:58:26,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305c966c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:26, skipping insertion in model container [2023-11-19 04:58:26,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:26" (1/1) ... [2023-11-19 04:58:26,951 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:58:27,130 WARN L240 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_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2023-11-19 04:58:27,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:27,170 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:58:27,185 WARN L240 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_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2023-11-19 04:58:27,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:27,217 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:58:27,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:27 WrapperNode [2023-11-19 04:58:27,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:27,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:27,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:58:27,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:58:27,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:27" (1/1) ... [2023-11-19 04:58:27,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:27" (1/1) ... [2023-11-19 04:58:27,262 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2023-11-19 04:58:27,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:27,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:58:27,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:58:27,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:58:27,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:27" (1/1) ... [2023-11-19 04:58:27,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:27" (1/1) ... [2023-11-19 04:58:27,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:27" (1/1) ... [2023-11-19 04:58:27,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:27" (1/1) ... [2023-11-19 04:58:27,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:27" (1/1) ... [2023-11-19 04:58:27,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:27" (1/1) ... [2023-11-19 04:58:27,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:27" (1/1) ... [2023-11-19 04:58:27,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:27" (1/1) ... [2023-11-19 04:58:27,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:58:27,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:58:27,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:58:27,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:58:27,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:27" (1/1) ... [2023-11-19 04:58:27,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:27,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:27,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:58:27,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:58:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:58:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:58:27,384 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:58:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:58:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:58:27,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:58:27,494 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:58:27,497 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:58:27,826 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:58:27,963 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:58:27,963 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:58:27,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:27 BoogieIcfgContainer [2023-11-19 04:58:27,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:58:27,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:58:27,972 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:58:27,976 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:58:27,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:58:26" (1/3) ... [2023-11-19 04:58:27,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e4517a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:27, skipping insertion in model container [2023-11-19 04:58:27,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:27" (2/3) ... [2023-11-19 04:58:27,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e4517a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:27, skipping insertion in model container [2023-11-19 04:58:27,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:27" (3/3) ... [2023-11-19 04:58:27,981 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-72.i [2023-11-19 04:58:28,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:58:28,001 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:58:28,062 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:58:28,071 INFO L357 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, mHoare=true, 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;@4312fb7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:58:28,071 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:58:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 04:58:28,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:58:28,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:28,090 INFO L195 NwaCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:28,090 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:28,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:28,095 INFO L85 PathProgramCache]: Analyzing trace with hash 709415871, now seen corresponding path program 1 times [2023-11-19 04:58:28,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:58:28,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860895873] [2023-11-19 04:58:28,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:28,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:58:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:58:28,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:58:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:58:28,814 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:58:28,817 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:58:28,819 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:58:28,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:58:28,831 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:58:28,840 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:58:28,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:58:28 BoogieIcfgContainer [2023-11-19 04:58:28,939 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:58:28,943 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:58:28,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:58:28,944 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:58:28,945 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:27" (3/4) ... [2023-11-19 04:58:28,950 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:58:28,951 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:58:28,953 INFO L158 Benchmark]: Toolchain (without parser) took 2041.56ms. Allocated memory is still 199.2MB. Free memory was 153.1MB in the beginning and 160.4MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:58:28,954 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 121.6MB. Free memory was 64.7MB in the beginning and 64.6MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:58:28,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.26ms. Allocated memory is still 199.2MB. Free memory was 153.1MB in the beginning and 141.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:58:28,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.75ms. Allocated memory is still 199.2MB. Free memory was 141.6MB in the beginning and 140.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:58:28,957 INFO L158 Benchmark]: Boogie Preprocessor took 27.38ms. Allocated memory is still 199.2MB. Free memory was 139.6MB in the beginning and 138.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:58:28,963 INFO L158 Benchmark]: RCFGBuilder took 677.06ms. Allocated memory is still 199.2MB. Free memory was 138.5MB in the beginning and 121.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:58:28,964 INFO L158 Benchmark]: TraceAbstraction took 967.63ms. Allocated memory is still 199.2MB. Free memory was 121.2MB in the beginning and 161.3MB in the end (delta: -40.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 04:58:28,965 INFO L158 Benchmark]: Witness Printer took 8.28ms. Allocated memory is still 199.2MB. Free memory was 161.3MB in the beginning and 160.4MB in the end (delta: 868.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:58:28,974 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 121.6MB. Free memory was 64.7MB in the beginning and 64.6MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.26ms. Allocated memory is still 199.2MB. Free memory was 153.1MB in the beginning and 141.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.75ms. Allocated memory is still 199.2MB. Free memory was 141.6MB in the beginning and 140.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.38ms. Allocated memory is still 199.2MB. Free memory was 139.6MB in the beginning and 138.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 677.06ms. Allocated memory is still 199.2MB. Free memory was 138.5MB in the beginning and 121.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 967.63ms. Allocated memory is still 199.2MB. Free memory was 121.2MB in the beginning and 161.3MB in the end (delta: -40.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 8.28ms. Allocated memory is still 199.2MB. Free memory was 161.3MB in the beginning and 160.4MB in the end (delta: 868.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someUnaryDOUBLEoperation at line 31. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 4; [L23] unsigned long int var_1_3 = 3854620897; [L24] unsigned long int var_1_4 = 1; [L25] unsigned long int var_1_5 = 5; [L26] unsigned long int var_1_6 = 1934698459; [L27] unsigned long int var_1_7 = 1000000000; [L28] unsigned long int var_1_8 = 0; [L29] unsigned long int var_1_9 = 16; [L30] double var_1_10 = 31.375; [L31] double var_1_11 = -0.6; [L71] isInitial = 1 [L72] FCALL initially() [L73] COND TRUE 1 [L74] FCALL updateLastVariables() [L75] CALL updateVariables() [L43] var_1_3 = __VERIFIER_nondet_ulong() [L44] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L45] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L46] var_1_4 = __VERIFIER_nondet_ulong() [L47] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L48] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L49] var_1_5 = __VERIFIER_nondet_ulong() [L50] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L51] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L52] var_1_6 = __VERIFIER_nondet_ulong() [L53] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L54] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L55] var_1_7 = __VERIFIER_nondet_ulong() [L56] CALL assume_abort_if_not(var_1_7 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_7 >= 536870911) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L57] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L58] var_1_8 = __VERIFIER_nondet_ulong() [L59] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=4, var_1_9=16] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=4, var_1_9=16] [L60] CALL assume_abort_if_not(var_1_8 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=4, var_1_9=16] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_8 <= 536870911) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=4, var_1_9=16] [L61] var_1_11 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_11=18446744073709551620, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=4, var_1_9=16] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=251/8, var_1_11=18446744073709551620, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=4, var_1_9=16] [L75] RET updateVariables() [L76] CALL step() [L35] var_1_9 = var_1_7 [L36] var_1_10 = var_1_11 [L37] unsigned long int stepLocal_0 = var_1_9; [L38] COND FALSE !(stepLocal_0 >= (var_1_3 - ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) [L76] RET step() [L77] CALL, EXPR property() [L67-L68] return (((var_1_9 >= (var_1_3 - ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (var_1_1 == ((unsigned long int) (var_1_4 + (var_1_6 - (var_1_7 - var_1_8))))) : 1) && (var_1_9 == ((unsigned long int) var_1_7))) && (var_1_10 == ((double) var_1_11)) ; [L77] RET, EXPR property() [L77] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=18446744073709551620, var_1_11=18446744073709551620, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=4, var_1_9=1073741823] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=18446744073709551620, var_1_11=18446744073709551620, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=4, var_1_9=1073741823] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 1 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 [2023-11-19 04:58:29,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ --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 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:58:31,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:58:31,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:58:31,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:58:31,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:58:31,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:58:31,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:58:31,871 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:58:31,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:58:31,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:58:31,873 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:58:31,874 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:58:31,875 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:58:31,875 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:58:31,876 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:58:31,877 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:58:31,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:58:31,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:58:31,879 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:58:31,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:58:31,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:58:31,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:58:31,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:58:31,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:58:31,889 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:58:31,889 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:58:31,890 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:58:31,890 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:58:31,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:58:31,891 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:58:31,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:58:31,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:58:31,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:58:31,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:31,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:58:31,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:58:31,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:58:31,895 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:58:31,896 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:58:31,897 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:58:31,897 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:58:31,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:58:31,898 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 [2023-11-19 04:58:32,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:58:32,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:58:32,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:58:32,363 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:58:32,363 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:58:32,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2023-11-19 04:58:35,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:35,853 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:35,854 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2023-11-19 04:58:35,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/data/00bf3aae2/79656d3d5553425dada4ee635319af8b/FLAGb854da5eb [2023-11-19 04:58:35,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/data/00bf3aae2/79656d3d5553425dada4ee635319af8b [2023-11-19 04:58:35,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:35,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:35,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:35,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:35,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:35,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:35" (1/1) ... [2023-11-19 04:58:35,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bcaa9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:35, skipping insertion in model container [2023-11-19 04:58:35,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:35" (1/1) ... [2023-11-19 04:58:35,925 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:58:36,160 WARN L240 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_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2023-11-19 04:58:36,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:36,240 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:58:36,264 WARN L240 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_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2023-11-19 04:58:36,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:36,310 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:58:36,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:36 WrapperNode [2023-11-19 04:58:36,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:36,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:36,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:58:36,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:58:36,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:36" (1/1) ... [2023-11-19 04:58:36,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:36" (1/1) ... [2023-11-19 04:58:36,360 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2023-11-19 04:58:36,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:36,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:58:36,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:58:36,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:58:36,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:36" (1/1) ... [2023-11-19 04:58:36,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:36" (1/1) ... [2023-11-19 04:58:36,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:36" (1/1) ... [2023-11-19 04:58:36,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:36" (1/1) ... [2023-11-19 04:58:36,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:36" (1/1) ... [2023-11-19 04:58:36,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:36" (1/1) ... [2023-11-19 04:58:36,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:36" (1/1) ... [2023-11-19 04:58:36,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:36" (1/1) ... [2023-11-19 04:58:36,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:58:36,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:58:36,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:58:36,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:58:36,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:36" (1/1) ... [2023-11-19 04:58:36,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:36,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:36,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:58:36,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:58:36,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:58:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:58:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:58:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:58:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:58:36,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:58:36,595 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:58:36,597 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:58:36,825 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:58:36,834 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:58:36,835 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:58:36,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:36 BoogieIcfgContainer [2023-11-19 04:58:36,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:58:36,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:58:36,842 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:58:36,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:58:36,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:58:35" (1/3) ... [2023-11-19 04:58:36,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9ae366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:36, skipping insertion in model container [2023-11-19 04:58:36,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:36" (2/3) ... [2023-11-19 04:58:36,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9ae366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:36, skipping insertion in model container [2023-11-19 04:58:36,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:36" (3/3) ... [2023-11-19 04:58:36,850 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-72.i [2023-11-19 04:58:36,888 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:58:36,888 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:58:36,942 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:58:36,949 INFO L357 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, mHoare=true, 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;@376e7656, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:58:36,950 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:58:36,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 04:58:36,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 04:58:36,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:36,969 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:36,969 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:36,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:36,976 INFO L85 PathProgramCache]: Analyzing trace with hash -207245000, now seen corresponding path program 1 times [2023-11-19 04:58:36,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:58:36,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047073338] [2023-11-19 04:58:36,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:36,993 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 [2023-11-19 04:58:36,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:58:36,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:58:37,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:58:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:37,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:58:37,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 04:58:37,292 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:58:37,293 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:58:37,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2047073338] [2023-11-19 04:58:37,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2047073338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:58:37,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:58:37,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:58:37,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779364989] [2023-11-19 04:58:37,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:37,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:58:37,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:58:37,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:58:37,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:58:37,346 INFO L87 Difference]: Start difference. First operand has 40 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 04:58:37,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:37,394 INFO L93 Difference]: Finished difference Result 73 states and 119 transitions. [2023-11-19 04:58:37,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:58:37,398 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 82 [2023-11-19 04:58:37,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:37,409 INFO L225 Difference]: With dead ends: 73 [2023-11-19 04:58:37,409 INFO L226 Difference]: Without dead ends: 36 [2023-11-19 04:58:37,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:58:37,419 INFO L413 NwaCegarLoop]: 49 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, 49 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 [2023-11-19 04:58:37,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:58:37,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-19 04:58:37,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-19 04:58:37,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 04:58:37,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2023-11-19 04:58:37,486 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 82 [2023-11-19 04:58:37,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:37,487 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2023-11-19 04:58:37,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 04:58:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2023-11-19 04:58:37,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 04:58:37,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:37,500 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:37,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:58:37,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:58:37,705 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:37,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:37,706 INFO L85 PathProgramCache]: Analyzing trace with hash -2011384006, now seen corresponding path program 1 times [2023-11-19 04:58:37,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:58:37,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738091636] [2023-11-19 04:58:37,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:37,710 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 [2023-11-19 04:58:37,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:58:37,712 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:58:37,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:58:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:37,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:58:37,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 04:58:39,124 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:58:39,125 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:58:39,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738091636] [2023-11-19 04:58:39,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1738091636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:58:39,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:58:39,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 04:58:39,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902134971] [2023-11-19 04:58:39,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:39,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 04:58:39,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:58:39,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 04:58:39,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-19 04:58:39,133 INFO L87 Difference]: Start difference. First operand 36 states and 49 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-19 04:58:42,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:42,600 INFO L93 Difference]: Finished difference Result 99 states and 131 transitions. [2023-11-19 04:58:42,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-19 04:58:42,601 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 82 [2023-11-19 04:58:42,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:42,605 INFO L225 Difference]: With dead ends: 99 [2023-11-19 04:58:42,605 INFO L226 Difference]: Without dead ends: 97 [2023-11-19 04:58:42,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=193, Invalid=563, Unknown=0, NotChecked=0, Total=756 [2023-11-19 04:58:42,608 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 80 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:42,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 240 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-19 04:58:42,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-19 04:58:42,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 69. [2023-11-19 04:58:42,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 41 states have (on average 1.048780487804878) internal successors, (43), 43 states have internal predecessors, (43), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 21 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 04:58:42,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 89 transitions. [2023-11-19 04:58:42,639 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 89 transitions. Word has length 82 [2023-11-19 04:58:42,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:42,640 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 89 transitions. [2023-11-19 04:58:42,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-19 04:58:42,641 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2023-11-19 04:58:42,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 04:58:42,643 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:42,643 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:42,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:58:42,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:58:42,848 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:42,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:42,849 INFO L85 PathProgramCache]: Analyzing trace with hash -2009536964, now seen corresponding path program 1 times [2023-11-19 04:58:42,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:58:42,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424854990] [2023-11-19 04:58:42,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:42,850 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 [2023-11-19 04:58:42,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:58:42,851 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:58:42,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:58:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:43,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:58:43,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:44,797 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 174 proven. 12 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-11-19 04:58:44,797 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:58:49,114 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 04:58:49,115 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:58:49,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424854990] [2023-11-19 04:58:49,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424854990] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 04:58:49,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 04:58:49,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 23 [2023-11-19 04:58:49,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276979300] [2023-11-19 04:58:49,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:49,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 04:58:49,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:58:49,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 04:58:49,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2023-11-19 04:58:49,120 INFO L87 Difference]: Start difference. First operand 69 states and 89 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-19 04:59:03,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:03,592 INFO L93 Difference]: Finished difference Result 96 states and 127 transitions. [2023-11-19 04:59:03,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-19 04:59:03,598 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 82 [2023-11-19 04:59:03,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:03,599 INFO L225 Difference]: With dead ends: 96 [2023-11-19 04:59:03,599 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:59:03,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=162, Invalid=768, Unknown=0, NotChecked=0, Total=930 [2023-11-19 04:59:03,602 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 81 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:03,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 210 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2023-11-19 04:59:03,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:59:03,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:59:03,604 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) [2023-11-19 04:59:03,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:59:03,605 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2023-11-19 04:59:03,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:03,605 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:59:03,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-19 04:59:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:59:03,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:59:03,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:59:03,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-19 04:59:03,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:59:03,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:59:09,525 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2023-11-19 04:59:09,526 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2023-11-19 04:59:09,526 INFO L895 garLoopResultBuilder]: At program point L56(line 56) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-19 04:59:09,526 INFO L895 garLoopResultBuilder]: At program point L56-1(line 56) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-19 04:59:09,526 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-19 04:59:09,526 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-19 04:59:09,526 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2023-11-19 04:59:09,526 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-19 04:59:09,527 INFO L895 garLoopResultBuilder]: At program point L44(line 44) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-19 04:59:09,527 INFO L895 garLoopResultBuilder]: At program point L44-1(line 44) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-19 04:59:09,527 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 70 81) no Hoare annotation was computed. [2023-11-19 04:59:09,527 INFO L895 garLoopResultBuilder]: At program point L73-2(lines 73 79) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-19 04:59:09,527 INFO L899 garLoopResultBuilder]: For program point L73-3(lines 73 79) no Hoare annotation was computed. [2023-11-19 04:59:09,528 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 33) no Hoare annotation was computed. [2023-11-19 04:59:09,528 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 04:59:09,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 04:59:09,528 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2023-11-19 04:59:09,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-19 04:59:09,529 INFO L895 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-19 04:59:09,529 INFO L895 garLoopResultBuilder]: At program point L53-1(line 53) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-19 04:59:09,529 INFO L899 garLoopResultBuilder]: For program point property_returnLabel#1(lines 66 69) no Hoare annotation was computed. [2023-11-19 04:59:09,529 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-11-19 04:59:09,530 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:59:09,530 INFO L895 garLoopResultBuilder]: At program point L62(line 62) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2023-11-19 04:59:09,530 INFO L899 garLoopResultBuilder]: For program point L62-1(lines 42 63) no Hoare annotation was computed. [2023-11-19 04:59:09,530 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-19 04:59:09,530 INFO L895 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-19 04:59:09,531 INFO L895 garLoopResultBuilder]: At program point L50-1(line 50) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-19 04:59:09,531 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:59:09,531 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 40) no Hoare annotation was computed. [2023-11-19 04:59:09,531 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 41) no Hoare annotation was computed. [2023-11-19 04:59:09,532 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-19 04:59:09,532 INFO L895 garLoopResultBuilder]: At program point L59-1(line 59) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-19 04:59:09,532 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-11-19 04:59:09,532 INFO L895 garLoopResultBuilder]: At program point L47(line 47) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-19 04:59:09,533 INFO L895 garLoopResultBuilder]: At program point L47-1(line 47) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-19 04:59:09,533 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-19 04:59:09,533 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-19 04:59:09,533 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-19 04:59:09,533 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-19 04:59:09,537 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 04:59:09,539 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:59:09,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-19 04:59:09,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-19 04:59:09,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-19 04:59:09,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-19 04:59:09,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-19 04:59:09,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:59:09 BoogieIcfgContainer [2023-11-19 04:59:09,556 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:59:09,560 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:59:09,561 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:59:09,561 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:59:09,561 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:36" (3/4) ... [2023-11-19 04:59:09,563 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:59:09,579 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 04:59:09,587 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 04:59:09,587 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 04:59:09,588 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:59:09,588 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:59:09,737 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:59:09,738 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:59:09,738 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:59:09,739 INFO L158 Benchmark]: Toolchain (without parser) took 33853.04ms. Allocated memory was 67.1MB in the beginning and 119.5MB in the end (delta: 52.4MB). Free memory was 33.5MB in the beginning and 92.0MB in the end (delta: -58.5MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2023-11-19 04:59:09,739 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:59:09,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.97ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 33.3MB in the beginning and 68.5MB in the end (delta: -35.2MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-11-19 04:59:09,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.13ms. Allocated memory is still 98.6MB. Free memory was 68.5MB in the beginning and 66.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:09,740 INFO L158 Benchmark]: Boogie Preprocessor took 37.08ms. Allocated memory is still 98.6MB. Free memory was 66.7MB in the beginning and 65.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:09,741 INFO L158 Benchmark]: RCFGBuilder took 440.40ms. Allocated memory is still 98.6MB. Free memory was 65.2MB in the beginning and 52.9MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:59:09,741 INFO L158 Benchmark]: TraceAbstraction took 32714.15ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 52.2MB in the beginning and 46.7MB in the end (delta: 5.5MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2023-11-19 04:59:09,742 INFO L158 Benchmark]: Witness Printer took 177.94ms. Allocated memory is still 119.5MB. Free memory was 46.7MB in the beginning and 92.0MB in the end (delta: -45.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:59:09,744 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.97ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 33.3MB in the beginning and 68.5MB in the end (delta: -35.2MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.13ms. Allocated memory is still 98.6MB. Free memory was 68.5MB in the beginning and 66.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.08ms. Allocated memory is still 98.6MB. Free memory was 66.7MB in the beginning and 65.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.40ms. Allocated memory is still 98.6MB. Free memory was 65.2MB in the beginning and 52.9MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 32714.15ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 52.2MB in the beginning and 46.7MB in the end (delta: 5.5MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Witness Printer took 177.94ms. Allocated memory is still 119.5MB. Free memory was 46.7MB in the beginning and 92.0MB in the end (delta: -45.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated * 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, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.6s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 167 SdHoareTripleChecker+Valid, 13.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 499 SdHoareTripleChecker+Invalid, 13.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 331 mSDsCounter, 117 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 542 IncrementalHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 117 mSolverCounterUnsat, 168 mSDtfsCounter, 542 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=2, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 28 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 61 PreInvPairs, 98 NumberOfFragments, 485 HoareAnnotationTreeSize, 61 FomulaSimplifications, 30 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 15 FomulaSimplificationsInter, 4509 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 324 ConstructedInterpolants, 5 QuantifiedInterpolants, 1496 SizeOfPredicates, 40 NumberOfNonLiveVariables, 407 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1236/1248 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: 73]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-19 04:59:09,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1df5f4-b243-4c1f-a09b-5d576b6e30d7/bin/utaipan-verify-t7M7D8N6sZ/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