./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje --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 1607fb04e82f6bdb3f2f7b93ce52ad7e9406a3329c4e53f96991c085e2a86f74 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:34:38,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:34:38,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:34:38,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:34:38,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:34:38,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:34:38,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:34:38,516 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:34:38,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:34:38,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:34:38,518 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:34:38,519 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:34:38,520 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:34:38,520 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:34:38,521 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:34:38,521 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:34:38,522 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:34:38,523 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:34:38,523 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:34:38,524 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:34:38,524 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:34:38,525 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:34:38,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:34:38,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:34:38,531 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:34:38,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:34:38,548 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:34:38,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:34:38,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:34:38,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:34:38,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:34:38,550 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:34:38,550 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:34:38,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:34:38,551 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:34:38,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:34:38,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:34:38,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:34:38,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:34:38,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:34:38,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:34:38,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:34:38,555 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:34:38,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:34:38,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:34:38,556 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:34:38,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:34:38,557 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_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1607fb04e82f6bdb3f2f7b93ce52ad7e9406a3329c4e53f96991c085e2a86f74 [2024-11-09 06:34:38,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:34:38,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:34:38,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:34:38,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:34:38,923 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:34:38,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i Unable to find full path for "g++" [2024-11-09 06:34:41,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:34:41,528 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:34:41,531 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i [2024-11-09 06:34:41,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/data/9f25b30e2/527c5a49f00a49bca09c7643699f7dc6/FLAG1de1247be [2024-11-09 06:34:41,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/data/9f25b30e2/527c5a49f00a49bca09c7643699f7dc6 [2024-11-09 06:34:41,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:34:41,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:34:41,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:34:41,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:34:41,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:34:41,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:34:41" (1/1) ... [2024-11-09 06:34:41,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b376027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:41, skipping insertion in model container [2024-11-09 06:34:41,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:34:41" (1/1) ... [2024-11-09 06:34:41,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:34:42,088 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i[915,928] [2024-11-09 06:34:42,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:34:42,192 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:34:42,209 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i[915,928] [2024-11-09 06:34:42,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:34:42,297 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:34:42,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:42 WrapperNode [2024-11-09 06:34:42,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:34:42,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:34:42,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:34:42,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:34:42,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:42" (1/1) ... [2024-11-09 06:34:42,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:42" (1/1) ... [2024-11-09 06:34:42,390 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-11-09 06:34:42,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:34:42,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:34:42,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:34:42,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:34:42,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:42" (1/1) ... [2024-11-09 06:34:42,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:42" (1/1) ... [2024-11-09 06:34:42,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:42" (1/1) ... [2024-11-09 06:34:42,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:42" (1/1) ... [2024-11-09 06:34:42,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:42" (1/1) ... [2024-11-09 06:34:42,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:42" (1/1) ... [2024-11-09 06:34:42,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:42" (1/1) ... [2024-11-09 06:34:42,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:42" (1/1) ... [2024-11-09 06:34:42,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:34:42,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:34:42,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:34:42,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:34:42,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:42" (1/1) ... [2024-11-09 06:34:42,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:34:42,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:34:42,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:34:42,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:34:42,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:34:42,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:34:42,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:34:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:34:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:34:42,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:34:42,687 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:34:42,690 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:34:43,238 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-09 06:34:43,238 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:34:43,445 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:34:43,446 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:34:43,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:43 BoogieIcfgContainer [2024-11-09 06:34:43,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:34:43,450 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:34:43,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:34:43,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:34:43,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:34:41" (1/3) ... [2024-11-09 06:34:43,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c5b972b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:34:43, skipping insertion in model container [2024-11-09 06:34:43,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:42" (2/3) ... [2024-11-09 06:34:43,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c5b972b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:34:43, skipping insertion in model container [2024-11-09 06:34:43,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:43" (3/3) ... [2024-11-09 06:34:43,458 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-23.i [2024-11-09 06:34:43,485 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:34:43,486 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:34:43,608 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:34:43,618 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5abebff7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:34:43,618 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:34:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:34:43,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 06:34:43,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:43,632 INFO L215 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:34:43,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:34:43,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:43,638 INFO L85 PathProgramCache]: Analyzing trace with hash -62956199, now seen corresponding path program 1 times [2024-11-09 06:34:43,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:43,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384643989] [2024-11-09 06:34:43,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:43,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:34:44,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [638744001] [2024-11-09 06:34:44,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:44,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:34:44,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:34:44,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:34:44,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:34:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:34:44,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:34:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:34:45,129 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:34:45,132 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:34:45,134 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:34:45,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:34:45,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:34:45,342 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:34:45,447 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:34:45,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:34:45 BoogieIcfgContainer [2024-11-09 06:34:45,451 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:34:45,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:34:45,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:34:45,452 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:34:45,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:43" (3/4) ... [2024-11-09 06:34:45,456 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:34:45,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:34:45,462 INFO L158 Benchmark]: Toolchain (without parser) took 3655.57ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 128.0MB in the beginning and 131.8MB in the end (delta: -3.8MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2024-11-09 06:34:45,463 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 161.5MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:34:45,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.17ms. Allocated memory is still 161.5MB. Free memory was 128.0MB in the beginning and 111.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:34:45,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.88ms. Allocated memory is still 161.5MB. Free memory was 111.8MB in the beginning and 107.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:34:45,469 INFO L158 Benchmark]: Boogie Preprocessor took 54.93ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 105.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:34:45,469 INFO L158 Benchmark]: RCFGBuilder took 999.24ms. Allocated memory is still 161.5MB. Free memory was 105.1MB in the beginning and 63.2MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 06:34:45,470 INFO L158 Benchmark]: TraceAbstraction took 2001.33ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 62.7MB in the beginning and 131.8MB in the end (delta: -69.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:34:45,470 INFO L158 Benchmark]: Witness Printer took 9.01ms. Allocated memory is still 211.8MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:34:45,475 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 161.5MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.17ms. Allocated memory is still 161.5MB. Free memory was 128.0MB in the beginning and 111.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.88ms. Allocated memory is still 161.5MB. Free memory was 111.8MB in the beginning and 107.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.93ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 105.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 999.24ms. Allocated memory is still 161.5MB. Free memory was 105.1MB in the beginning and 63.2MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2001.33ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 62.7MB in the beginning and 131.8MB in the end (delta: -69.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.01ms. Allocated memory is still 211.8MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someUnaryDOUBLEoperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 66, overapproximation of someBinaryArithmeticFLOAToperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 1.4; [L26] float var_1_7 = 9.25; [L27] float var_1_8 = 1.2; [L28] float var_1_9 = 0.0; [L29] float var_1_10 = 3.1; [L30] float var_1_11 = 500.5; [L31] signed long int var_1_12 = 0; [L32] unsigned char var_1_13 = 10; [L33] unsigned char var_1_14 = 8; [L34] unsigned char var_1_17 = 64; [L35] unsigned long int var_1_18 = 25; [L36] signed char var_1_19 = -100; [L37] signed short int var_1_20 = -4; [L38] unsigned short int var_1_21 = 200; [L39] unsigned short int var_1_22 = 54878; [L40] double var_1_23 = 9999.8; [L41] float var_1_24 = -0.25; [L42] signed char var_1_25 = 50; [L43] signed char last_1_var_1_19 = -100; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] CALL updateLastVariables() [L132] last_1_var_1_19 = var_1_19 [L142] RET updateLastVariables() [L143] CALL updateVariables() [L97] var_1_2 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L99] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L100] var_1_3 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L102] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L103] var_1_7 = __VERIFIER_nondet_float() [L104] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5, var_1_8=6/5, var_1_9=0] [L105] var_1_8 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5, var_1_9=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5, var_1_9=0] [L107] var_1_9 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_9 >= 4611686.018427382800e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_9 >= 4611686.018427382800e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L109] var_1_10 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L111] var_1_11 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L113] var_1_13 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L115] CALL assume_abort_if_not(var_1_13 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_13 <= 64) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L116] var_1_14 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L118] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L119] var_1_17 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L121] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L122] CALL assume_abort_if_not(var_1_17 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_17 != 127) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L123] var_1_20 = __VERIFIER_nondet_short() [L124] CALL assume_abort_if_not(var_1_20 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_20 >= -32768) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L125] CALL assume_abort_if_not(var_1_20 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_20 <= 32767) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L126] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L127] var_1_22 = __VERIFIER_nondet_ushort() [L128] CALL assume_abort_if_not(var_1_22 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=-32768, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_22 >= 32767) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=-32768, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L129] CALL assume_abort_if_not(var_1_22 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=-32768, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_22 <= 65534) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=-32768, var_1_23=49999/5, var_1_25=50, var_1_2=0, var_1_3=256, var_1_4=7/5] [L143] RET updateVariables() [L144] CALL step() [L47] COND FALSE !(\read(var_1_2)) [L50] signed long int stepLocal_4 = 5; [L51] COND TRUE stepLocal_4 <= var_1_17 [L52] var_1_21 = (var_1_22 - var_1_17) [L62] var_1_23 = var_1_10 [L63] var_1_24 = 31.75f [L64] var_1_25 = -5 [L65] unsigned char stepLocal_0 = var_1_1; [L66] COND TRUE (var_1_23 <= var_1_23) || stepLocal_0 [L67] var_1_4 = ((((31.5f) > (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (31.5f) : (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))) [L71] signed long int stepLocal_3 = (200 - var_1_13) - var_1_14; [L72] unsigned char stepLocal_2 = var_1_13; [L73] unsigned char stepLocal_1 = var_1_13; [L74] COND TRUE stepLocal_3 != var_1_25 [L75] var_1_12 = (var_1_13 + ((((var_1_14) < (var_1_21)) ? (var_1_14) : (var_1_21)))) [L87] COND FALSE !((- (var_1_13 / var_1_17)) > var_1_25) [L90] COND FALSE !((last_1_var_1_19 / ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20)))) > var_1_21) [L93] var_1_19 = var_1_17 [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return ((((((((var_1_2 ? (var_1_1 == ((unsigned char) var_1_3)) : 1) && (((var_1_23 <= var_1_23) || var_1_1) ? (var_1_4 == ((float) ((((31.5f) > (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (31.5f) : (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))))) : (var_1_4 == ((float) ((var_1_9 - var_1_10) - var_1_11))))) && ((((200 - var_1_13) - var_1_14) != var_1_25) ? (var_1_12 == ((signed long int) (var_1_13 + ((((var_1_14) < (var_1_21)) ? (var_1_14) : (var_1_21)))))) : (((var_1_25 / (128 - var_1_17)) < var_1_13) ? ((var_1_13 >= var_1_25) ? (var_1_12 == ((signed long int) var_1_14)) : (var_1_12 == ((signed long int) var_1_17))) : (var_1_12 == ((signed long int) var_1_17))))) && (((- (var_1_13 / var_1_17)) > var_1_25) ? (var_1_18 == ((unsigned long int) var_1_13)) : 1)) && (((last_1_var_1_19 / ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20)))) > var_1_21) ? (var_1_19 == ((signed char) ((((var_1_17) > (var_1_13)) ? (var_1_17) : (var_1_13))))) : (var_1_19 == ((signed char) var_1_17)))) && ((5 <= var_1_17) ? (var_1_21 == ((unsigned short int) (var_1_22 - var_1_17))) : (var_1_1 ? (var_1_1 ? (var_1_21 == ((unsigned short int) var_1_17)) : (var_1_21 == ((unsigned short int) var_1_17))) : 1))) && (var_1_23 == ((double) var_1_10))) && (var_1_24 == ((float) 31.75f))) && (var_1_25 == ((signed char) -5)) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=36, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=6, var_1_1=0, var_1_20=-1, var_1_21=32762, var_1_22=-32768, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=0, var_1_3=256, var_1_4=63/2, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=36, var_1_13=-220, var_1_14=0, var_1_17=6, var_1_18=25, var_1_19=6, var_1_1=0, var_1_20=-1, var_1_21=32762, var_1_22=-32768, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=0, var_1_3=256, var_1_4=63/2, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:34:45,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje --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 1607fb04e82f6bdb3f2f7b93ce52ad7e9406a3329c4e53f96991c085e2a86f74 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:34:48,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:34:48,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:34:48,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:34:48,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:34:48,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:34:48,366 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:34:48,366 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:34:48,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:34:48,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:34:48,368 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:34:48,369 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:34:48,369 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:34:48,371 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:34:48,372 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:34:48,372 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:34:48,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:34:48,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:34:48,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:34:48,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:34:48,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:34:48,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:34:48,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:34:48,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:34:48,380 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:34:48,381 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:34:48,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:34:48,381 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:34:48,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:34:48,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:34:48,384 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:34:48,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:34:48,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:34:48,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:34:48,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:34:48,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:34:48,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:34:48,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:34:48,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:34:48,388 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:34:48,388 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:34:48,389 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:34:48,389 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:34:48,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1607fb04e82f6bdb3f2f7b93ce52ad7e9406a3329c4e53f96991c085e2a86f74 [2024-11-09 06:34:48,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:34:48,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:34:48,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:34:48,815 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:34:48,816 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:34:48,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i Unable to find full path for "g++" [2024-11-09 06:34:51,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:34:51,621 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:34:51,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i [2024-11-09 06:34:51,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/data/48a2d9d60/8b44371d800d4163b8addcc7327fad66/FLAG49867310d [2024-11-09 06:34:51,645 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/data/48a2d9d60/8b44371d800d4163b8addcc7327fad66 [2024-11-09 06:34:51,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:34:51,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:34:51,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:34:51,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:34:51,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:34:51,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:34:51" (1/1) ... [2024-11-09 06:34:51,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4183ee93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:51, skipping insertion in model container [2024-11-09 06:34:51,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:34:51" (1/1) ... [2024-11-09 06:34:51,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:34:51,957 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i[915,928] [2024-11-09 06:34:52,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:34:52,083 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:34:52,098 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i[915,928] [2024-11-09 06:34:52,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:34:52,176 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:34:52,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:52 WrapperNode [2024-11-09 06:34:52,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:34:52,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:34:52,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:34:52,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:34:52,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:52" (1/1) ... [2024-11-09 06:34:52,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:52" (1/1) ... [2024-11-09 06:34:52,258 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2024-11-09 06:34:52,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:34:52,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:34:52,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:34:52,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:34:52,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:52" (1/1) ... [2024-11-09 06:34:52,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:52" (1/1) ... [2024-11-09 06:34:52,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:52" (1/1) ... [2024-11-09 06:34:52,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:52" (1/1) ... [2024-11-09 06:34:52,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:52" (1/1) ... [2024-11-09 06:34:52,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:52" (1/1) ... [2024-11-09 06:34:52,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:52" (1/1) ... [2024-11-09 06:34:52,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:52" (1/1) ... [2024-11-09 06:34:52,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:34:52,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:34:52,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:34:52,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:34:52,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:52" (1/1) ... [2024-11-09 06:34:52,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:34:52,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:34:52,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:34:52,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:34:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:34:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:34:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:34:52,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:34:52,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:34:52,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:34:52,617 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:34:52,619 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:34:54,016 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-09 06:34:54,016 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:34:54,043 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:34:54,043 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:34:54,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:54 BoogieIcfgContainer [2024-11-09 06:34:54,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:34:54,049 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:34:54,049 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:34:54,054 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:34:54,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:34:51" (1/3) ... [2024-11-09 06:34:54,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b4a970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:34:54, skipping insertion in model container [2024-11-09 06:34:54,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:52" (2/3) ... [2024-11-09 06:34:54,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b4a970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:34:54, skipping insertion in model container [2024-11-09 06:34:54,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:54" (3/3) ... [2024-11-09 06:34:54,059 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-23.i [2024-11-09 06:34:54,086 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:34:54,086 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:34:54,173 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:34:54,183 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2725e4e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:34:54,183 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:34:54,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:34:54,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 06:34:54,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:54,205 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:34:54,206 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:34:54,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:54,212 INFO L85 PathProgramCache]: Analyzing trace with hash 330573429, now seen corresponding path program 1 times [2024-11-09 06:34:54,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:34:54,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339895754] [2024-11-09 06:34:54,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:54,228 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:34:54,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:34:54,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:34:54,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 06:34:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:54,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:34:54,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:34:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-09 06:34:54,837 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:34:54,838 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:34:54,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339895754] [2024-11-09 06:34:54,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339895754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:54,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:54,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:34:54,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327054850] [2024-11-09 06:34:54,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:54,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:34:54,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:34:54,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:34:54,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:34:54,888 INFO L87 Difference]: Start difference. First operand has 65 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 06:34:54,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:54,931 INFO L93 Difference]: Finished difference Result 123 states and 211 transitions. [2024-11-09 06:34:54,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:34:54,933 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-09 06:34:54,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:54,941 INFO L225 Difference]: With dead ends: 123 [2024-11-09 06:34:54,941 INFO L226 Difference]: Without dead ends: 61 [2024-11-09 06:34:54,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:34:54,949 INFO L432 NwaCegarLoop]: 91 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, 91 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:54,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:34:54,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-09 06:34:54,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-09 06:34:54,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:34:54,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 91 transitions. [2024-11-09 06:34:54,999 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 91 transitions. Word has length 135 [2024-11-09 06:34:55,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:55,000 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 91 transitions. [2024-11-09 06:34:55,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 06:34:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2024-11-09 06:34:55,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 06:34:55,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:55,005 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:34:55,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 06:34:55,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:34:55,208 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:34:55,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:55,211 INFO L85 PathProgramCache]: Analyzing trace with hash -524415001, now seen corresponding path program 1 times [2024-11-09 06:34:55,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:34:55,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547990962] [2024-11-09 06:34:55,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:55,212 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:34:55,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:34:55,216 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:34:55,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39308c68-bfae-465f-a5b1-2098389b4c6b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 06:34:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:55,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 06:34:55,729 INFO L278 TraceCheckSpWp]: Computing forward predicates...