./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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_780601e3-5562-41b6-92d8-1f4d13d8e42b/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 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:24:30,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:24:30,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:24:30,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:24:30,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:24:30,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:24:30,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:24:30,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:24:30,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:24:30,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:24:30,263 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:24:30,264 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:24:30,265 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:24:30,267 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:24:30,268 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:24:30,268 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:24:30,268 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:24:30,269 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:24:30,269 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:24:30,270 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:24:30,270 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:24:30,270 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:24:30,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:24:30,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:24:30,276 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:24:30,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:24:30,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:24:30,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:24:30,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:24:30,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:24:30,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:24:30,280 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:24:30,280 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:24:30,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:24:30,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:24:30,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:24:30,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:24:30,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:24:30,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:24:30,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:24:30,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:24:30,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:24:30,282 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:24:30,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:24:30,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:24:30,283 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:24:30,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:24:30,283 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_780601e3-5562-41b6-92d8-1f4d13d8e42b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc [2024-11-09 01:24:30,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:24:30,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:24:30,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:24:30,598 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:24:30,599 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:24:30,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i Unable to find full path for "g++" [2024-11-09 01:24:32,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:24:32,877 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:24:32,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i [2024-11-09 01:24:32,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/data/eafccfdda/b5dc9c2568ea40c4bab54f9a49baaa32/FLAG699031cea [2024-11-09 01:24:32,920 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/data/eafccfdda/b5dc9c2568ea40c4bab54f9a49baaa32 [2024-11-09 01:24:32,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:24:32,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:24:32,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:24:32,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:24:32,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:24:32,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:24:32" (1/1) ... [2024-11-09 01:24:32,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443f2489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:32, skipping insertion in model container [2024-11-09 01:24:32,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:24:32" (1/1) ... [2024-11-09 01:24:32,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:24:33,138 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_780601e3-5562-41b6-92d8-1f4d13d8e42b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i[915,928] [2024-11-09 01:24:33,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:24:33,184 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:24:33,195 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_780601e3-5562-41b6-92d8-1f4d13d8e42b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i[915,928] [2024-11-09 01:24:33,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:24:33,230 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:24:33,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:33 WrapperNode [2024-11-09 01:24:33,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:24:33,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:24:33,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:24:33,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:24:33,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:33" (1/1) ... [2024-11-09 01:24:33,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:33" (1/1) ... [2024-11-09 01:24:33,274 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 71 [2024-11-09 01:24:33,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:24:33,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:24:33,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:24:33,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:24:33,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:33" (1/1) ... [2024-11-09 01:24:33,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:33" (1/1) ... [2024-11-09 01:24:33,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:33" (1/1) ... [2024-11-09 01:24:33,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:33" (1/1) ... [2024-11-09 01:24:33,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:33" (1/1) ... [2024-11-09 01:24:33,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:33" (1/1) ... [2024-11-09 01:24:33,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:33" (1/1) ... [2024-11-09 01:24:33,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:33" (1/1) ... [2024-11-09 01:24:33,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:24:33,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:24:33,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:24:33,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:24:33,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:33" (1/1) ... [2024-11-09 01:24:33,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:24:33,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:24:33,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:24:33,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:24:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:24:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:24:33,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:24:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:24:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:24:33,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:24:33,490 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:24:33,492 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:24:33,648 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 01:24:33,648 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:24:33,729 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:24:33,730 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:24:33,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:33 BoogieIcfgContainer [2024-11-09 01:24:33,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:24:33,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:24:33,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:24:33,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:24:33,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:24:32" (1/3) ... [2024-11-09 01:24:33,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388cc0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:24:33, skipping insertion in model container [2024-11-09 01:24:33,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:33" (2/3) ... [2024-11-09 01:24:33,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388cc0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:24:33, skipping insertion in model container [2024-11-09 01:24:33,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:33" (3/3) ... [2024-11-09 01:24:33,741 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-14.i [2024-11-09 01:24:33,762 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:24:33,762 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:24:33,840 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:24:33,847 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;@63a7597a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:24:33,847 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:24:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 01:24:33,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 01:24:33,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:33,860 INFO L215 NwaCegarLoop]: trace histogram [7, 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 01:24:33,861 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:33,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:33,866 INFO L85 PathProgramCache]: Analyzing trace with hash 61256976, now seen corresponding path program 1 times [2024-11-09 01:24:33,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:24:33,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594815921] [2024-11-09 01:24:33,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:33,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:24:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:24:34,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:24:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:24:34,218 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:24:34,220 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:24:34,221 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:24:34,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:24:34,233 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:24:34,277 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:24:34,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:24:34 BoogieIcfgContainer [2024-11-09 01:24:34,281 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:24:34,281 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:24:34,282 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:24:34,282 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:24:34,283 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:33" (3/4) ... [2024-11-09 01:24:34,285 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:24:34,287 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:24:34,288 INFO L158 Benchmark]: Toolchain (without parser) took 1364.11ms. Allocated memory is still 136.3MB. Free memory was 100.8MB in the beginning and 91.3MB in the end (delta: 9.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-09 01:24:34,289 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory was 67.5MB in the beginning and 67.5MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:24:34,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.57ms. Allocated memory is still 136.3MB. Free memory was 100.3MB in the beginning and 87.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:24:34,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.81ms. Allocated memory is still 136.3MB. Free memory was 87.2MB in the beginning and 85.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:24:34,292 INFO L158 Benchmark]: Boogie Preprocessor took 46.07ms. Allocated memory is still 136.3MB. Free memory was 85.6MB in the beginning and 84.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:24:34,293 INFO L158 Benchmark]: RCFGBuilder took 408.68ms. Allocated memory is still 136.3MB. Free memory was 84.1MB in the beginning and 69.9MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:24:34,294 INFO L158 Benchmark]: TraceAbstraction took 547.52ms. Allocated memory is still 136.3MB. Free memory was 68.9MB in the beginning and 92.1MB in the end (delta: -23.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:24:34,296 INFO L158 Benchmark]: Witness Printer took 5.69ms. Allocated memory is still 136.3MB. Free memory was 92.1MB in the beginning and 91.3MB in the end (delta: 783.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:24:34,301 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory was 67.5MB in the beginning and 67.5MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.57ms. Allocated memory is still 136.3MB. Free memory was 100.3MB in the beginning and 87.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.81ms. Allocated memory is still 136.3MB. Free memory was 87.2MB in the beginning and 85.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.07ms. Allocated memory is still 136.3MB. Free memory was 85.6MB in the beginning and 84.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 408.68ms. Allocated memory is still 136.3MB. Free memory was 84.1MB in the beginning and 69.9MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 547.52ms. Allocated memory is still 136.3MB. Free memory was 68.9MB in the beginning and 92.1MB in the end (delta: -23.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.69ms. Allocated memory is still 136.3MB. Free memory was 92.1MB in the beginning and 91.3MB in the end (delta: 783.7kB). Peak memory consumption was 2.1MB. 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 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 39. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 16.75; [L23] double var_1_5 = 2.05; [L24] double var_1_6 = 9.375; [L25] double var_1_7 = 64.4; [L26] double var_1_8 = 10000.25; [L27] signed short int var_1_9 = -2; [L28] signed short int var_1_10 = 0; [L29] unsigned short int var_1_11 = 4; [L30] unsigned short int var_1_12 = 128; [L63] isInitial = 1 [L64] FCALL initially() [L65] COND TRUE 1 [L66] FCALL updateLastVariables() [L67] CALL updateVariables() [L43] var_1_5 = __VERIFIER_nondet_double() [L44] CALL assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L45] var_1_6 = __VERIFIER_nondet_double() [L46] CALL assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L47] var_1_7 = __VERIFIER_nondet_double() [L48] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L49] var_1_10 = __VERIFIER_nondet_short() [L50] CALL assume_abort_if_not(var_1_10 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_10 >= -32767) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L51] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L52] var_1_12 = __VERIFIER_nondet_ushort() [L53] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L54] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=-65536, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_12=-65536, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L67] RET updateVariables() [L68] CALL step() [L34] var_1_8 = var_1_5 [L35] var_1_9 = var_1_10 [L36] var_1_11 = var_1_12 [L37] signed short int stepLocal_0 = var_1_9; [L38] COND TRUE stepLocal_0 <= (var_1_11 + ((((50) > (var_1_9)) ? (50) : (var_1_9)))) [L39] var_1_1 = ((var_1_5 + var_1_6) + var_1_7) [L68] RET step() [L69] CALL, EXPR property() [L59-L60] return ((((var_1_9 <= (var_1_11 + ((((50) > (var_1_9)) ? (50) : (var_1_9))))) ? (var_1_1 == ((double) ((var_1_5 + var_1_6) + var_1_7))) : 1) && (var_1_8 == ((double) var_1_5))) && (var_1_9 == ((signed short int) var_1_10))) && (var_1_11 == ((unsigned short int) var_1_12)) ; [L69] RET, EXPR property() [L69] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=50, var_1_11=-65536, var_1_12=-65536, var_1_1=67/4, var_1_5=10005, var_1_8=10005, var_1_9=50] [L19] reach_error() VAL [isInitial=1, var_1_10=50, var_1_11=-65536, var_1_12=-65536, var_1_1=67/4, var_1_5=10005, var_1_8=10005, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 7, 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=21occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 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 [2024-11-09 01:24:34,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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_780601e3-5562-41b6-92d8-1f4d13d8e42b/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 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:24:36,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:24:36,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 01:24:36,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:24:36,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:24:36,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:24:36,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:24:36,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:24:36,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:24:36,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:24:36,881 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:24:36,881 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:24:36,881 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:24:36,882 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:24:36,882 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:24:36,882 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:24:36,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:24:36,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:24:36,884 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:24:36,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:24:36,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:24:36,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:24:36,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:24:36,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:24:36,886 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:24:36,886 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:24:36,886 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:24:36,886 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:24:36,887 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:24:36,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:24:36,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:24:36,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:24:36,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:24:36,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:24:36,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:24:36,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:24:36,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:24:36,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:24:36,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:24:36,890 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:24:36,890 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:24:36,892 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:24:36,892 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:24:36,893 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_780601e3-5562-41b6-92d8-1f4d13d8e42b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc [2024-11-09 01:24:37,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:24:37,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:24:37,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:24:37,343 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:24:37,344 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:24:37,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i Unable to find full path for "g++" [2024-11-09 01:24:39,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:24:39,873 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:24:39,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i [2024-11-09 01:24:39,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/data/4e247d7d3/48fd7193302846f7bd3078bf96c1e1c1/FLAG86c0b1b07 [2024-11-09 01:24:39,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/data/4e247d7d3/48fd7193302846f7bd3078bf96c1e1c1 [2024-11-09 01:24:39,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:24:39,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:24:39,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:24:39,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:24:39,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:24:39,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:24:39" (1/1) ... [2024-11-09 01:24:39,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9e8f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:39, skipping insertion in model container [2024-11-09 01:24:39,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:24:39" (1/1) ... [2024-11-09 01:24:39,940 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:24:40,144 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_780601e3-5562-41b6-92d8-1f4d13d8e42b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i[915,928] [2024-11-09 01:24:40,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:24:40,215 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:24:40,228 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_780601e3-5562-41b6-92d8-1f4d13d8e42b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i[915,928] [2024-11-09 01:24:40,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:24:40,288 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:24:40,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:40 WrapperNode [2024-11-09 01:24:40,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:24:40,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:24:40,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:24:40,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:24:40,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:40" (1/1) ... [2024-11-09 01:24:40,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:40" (1/1) ... [2024-11-09 01:24:40,350 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2024-11-09 01:24:40,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:24:40,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:24:40,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:24:40,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:24:40,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:40" (1/1) ... [2024-11-09 01:24:40,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:40" (1/1) ... [2024-11-09 01:24:40,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:40" (1/1) ... [2024-11-09 01:24:40,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:40" (1/1) ... [2024-11-09 01:24:40,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:40" (1/1) ... [2024-11-09 01:24:40,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:40" (1/1) ... [2024-11-09 01:24:40,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:40" (1/1) ... [2024-11-09 01:24:40,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:40" (1/1) ... [2024-11-09 01:24:40,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:24:40,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:24:40,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:24:40,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:24:40,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:40" (1/1) ... [2024-11-09 01:24:40,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:24:40,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:24:40,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:24:40,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:24:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:24:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:24:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:24:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:24:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:24:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:24:40,631 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:24:40,633 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:24:42,059 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 01:24:42,059 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:24:42,073 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:24:42,073 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:24:42,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:42 BoogieIcfgContainer [2024-11-09 01:24:42,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:24:42,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:24:42,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:24:42,080 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:24:42,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:24:39" (1/3) ... [2024-11-09 01:24:42,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408ec6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:24:42, skipping insertion in model container [2024-11-09 01:24:42,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:40" (2/3) ... [2024-11-09 01:24:42,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408ec6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:24:42, skipping insertion in model container [2024-11-09 01:24:42,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:42" (3/3) ... [2024-11-09 01:24:42,086 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-14.i [2024-11-09 01:24:42,106 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:24:42,107 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:24:42,167 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:24:42,174 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;@4333d0ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:24:42,175 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:24:42,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 01:24:42,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 01:24:42,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:42,190 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 01:24:42,190 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:42,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:42,196 INFO L85 PathProgramCache]: Analyzing trace with hash -809313889, now seen corresponding path program 1 times [2024-11-09 01:24:42,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:24:42,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106956081] [2024-11-09 01:24:42,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:42,209 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 01:24:42,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:24:42,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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 01:24:42,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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 01:24:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:42,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 01:24:42,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:24:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 01:24:42,581 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:24:42,582 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:24:42,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106956081] [2024-11-09 01:24:42,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [106956081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:24:42,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:24:42,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:24:42,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854993321] [2024-11-09 01:24:42,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:24:42,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:24:42,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:24:42,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:24:42,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:24:42,654 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 01:24:42,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:24:42,687 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2024-11-09 01:24:42,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:24:42,690 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-11-09 01:24:42,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:24:42,699 INFO L225 Difference]: With dead ends: 57 [2024-11-09 01:24:42,699 INFO L226 Difference]: Without dead ends: 28 [2024-11-09 01:24:42,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 49 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 01:24:42,707 INFO L432 NwaCegarLoop]: 35 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, 35 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 01:24:42,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:24:42,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-09 01:24:42,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-09 01:24:42,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 01:24:42,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-09 01:24:42,767 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2024-11-09 01:24:42,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:24:42,768 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-09 01:24:42,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 01:24:42,768 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-09 01:24:42,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 01:24:42,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:42,771 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 01:24:42,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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 01:24:42,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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 01:24:42,972 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:42,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:42,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1353734491, now seen corresponding path program 1 times [2024-11-09 01:24:42,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:24:42,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702574908] [2024-11-09 01:24:42,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:42,975 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 01:24:42,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:24:42,978 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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 01:24:42,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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 01:24:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:43,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 01:24:43,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:24:43,316 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 01:24:43,316 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:24:43,317 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:24:43,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1702574908] [2024-11-09 01:24:43,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1702574908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:24:43,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:24:43,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:24:43,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842954658] [2024-11-09 01:24:43,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:24:43,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:24:43,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:24:43,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:24:43,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:24:43,322 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-09 01:24:45,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:24:45,072 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2024-11-09 01:24:45,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:24:45,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 50 [2024-11-09 01:24:45,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:24:45,088 INFO L225 Difference]: With dead ends: 53 [2024-11-09 01:24:45,089 INFO L226 Difference]: Without dead ends: 28 [2024-11-09 01:24:45,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:24:45,091 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 01:24:45,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 01:24:45,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-09 01:24:45,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-09 01:24:45,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 01:24:45,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2024-11-09 01:24:45,099 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 50 [2024-11-09 01:24:45,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:24:45,101 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2024-11-09 01:24:45,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-09 01:24:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-11-09 01:24:45,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 01:24:45,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:45,104 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 01:24:45,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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)] Ended with exit code 0 [2024-11-09 01:24:45,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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 01:24:45,305 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:45,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:45,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1355581533, now seen corresponding path program 1 times [2024-11-09 01:24:45,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:24:45,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974540969] [2024-11-09 01:24:45,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:45,308 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 01:24:45,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:24:45,311 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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 01:24:45,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/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 (4)] Waiting until timeout for monitored process [2024-11-09 01:24:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:45,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 01:24:45,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:25:45,502 WARN L286 SmtUtils]: Spent 18.08s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:31:48,665 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse14 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse12 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse13 ((_ to_fp 8 24) roundNearestTiesToEven 2305843009213691390.0))) (let ((.cse9 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse13))) (.cse8 ((_ to_fp 11 53) roundNearestTiesToEven .cse12)) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven .cse14)) (.cse0 (= |c_ULTIMATE.start_property_#res#1| (_ bv0 32))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse14))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven .cse13)) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse12)))) (or (and .cse0 (or (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_8~0 .cse1) (fp.leq ~var_1_7~0 .cse1) (not (let ((.cse2 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse2 .cse2))) (fp.leq ~var_1_6~0 .cse3) (fp.geq ~var_1_7~0 .cse4))) (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse5) (fp.leq ~var_1_8~0 .cse3) (fp.geq ~var_1_8~0 .cse5) (not (let ((.cse6 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse6 .cse6))) (fp.leq ~var_1_6~0 .cse3) (fp.geq ~var_1_7~0 .cse4))))) (and .cse0 (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse5) (not (let ((.cse7 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse7 .cse7))) (fp.leq ~var_1_7~0 .cse8) (fp.geq ~var_1_7~0 .cse5) (fp.geq ~var_1_8~0 .cse9)))) (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)) (and .cse0 (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse9) (fp.geq ~var_1_8~0 .cse5) (not (let ((.cse10 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse10 .cse10))) (fp.leq ~var_1_7~0 .cse8) (fp.geq ~var_1_7~0 .cse5)))) (and .cse0 (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_6~0 .cse1) (fp.leq ~var_1_7~0 .cse1) (fp.leq ~var_1_8~0 .cse3) (not (let ((.cse11 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse11 .cse11))) (fp.geq ~var_1_7~0 .cse4))))))) is different from false [2024-11-09 01:33:11,724 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse13 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse11 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse12 ((_ to_fp 8 24) roundNearestTiesToEven 2305843009213691390.0))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse12))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven .cse11)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven .cse13)) (.cse0 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse13))) (.cse7 ((_ to_fp 11 53) roundNearestTiesToEven .cse12)) (.cse8 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse11)))) (or (and .cse0 (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse1) (not (let ((.cse2 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse2 .cse2))) (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse1) (fp.geq ~var_1_8~0 .cse4)))) (and .cse0 (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_8~0 .cse5) (fp.leq ~var_1_7~0 .cse5) (not (let ((.cse6 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse6 .cse6))) (fp.leq ~var_1_6~0 .cse7) (fp.geq ~var_1_7~0 .cse8)))) (and (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse4) (fp.geq ~var_1_8~0 .cse1) (not (let ((.cse9 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse9 .cse9))) (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse1))) .cse0) (and .cse0 (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_6~0 .cse5) (fp.leq ~var_1_7~0 .cse5) (fp.leq ~var_1_8~0 .cse7) (not (let ((.cse10 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse10 .cse10))) (fp.geq ~var_1_7~0 .cse8)))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))))) is different from false [2024-11-09 01:34:30,598 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ to_fp 8 24) roundNearestTiesToEven 2305843009213691390.0)) (.cse12 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven .cse10)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven .cse12)) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse11))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse12))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven .cse11)) (.cse7 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse10)))) (or (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse0) (fp.geq ~var_1_8~0 .cse1) (not (let ((.cse2 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse2 .cse2))) (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse1))) (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_6~0 .cse4) (fp.leq ~var_1_7~0 .cse4) (fp.leq ~var_1_8~0 .cse5) (not (let ((.cse6 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse6 .cse6))) (fp.geq ~var_1_7~0 .cse7))) (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse1) (not (let ((.cse8 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse8 .cse8))) (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse1) (fp.geq ~var_1_8~0 .cse0))) (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_8~0 .cse4) (fp.leq ~var_1_7~0 .cse4) (not (let ((.cse9 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse9 .cse9))) (fp.leq ~var_1_6~0 .cse5) (fp.geq ~var_1_7~0 .cse7)))))) is different from false [2024-11-09 01:34:32,639 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ to_fp 8 24) roundNearestTiesToEven 2305843009213691390.0)) (.cse12 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven .cse10)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven .cse12)) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse11))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse12))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven .cse11)) (.cse7 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse10)))) (or (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse0) (fp.geq ~var_1_8~0 .cse1) (not (let ((.cse2 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse2 .cse2))) (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse1))) (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_6~0 .cse4) (fp.leq ~var_1_7~0 .cse4) (fp.leq ~var_1_8~0 .cse5) (not (let ((.cse6 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse6 .cse6))) (fp.geq ~var_1_7~0 .cse7))) (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_6~0 .cse1) (not (let ((.cse8 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse8 .cse8))) (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse1) (fp.geq ~var_1_8~0 .cse0))) (exists ((~var_1_7~0 (_ FloatingPoint 11 53)) (~var_1_6~0 (_ FloatingPoint 11 53)) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_8~0 .cse4) (fp.leq ~var_1_7~0 .cse4) (not (let ((.cse9 (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven ~var_1_8~0 ~var_1_6~0) ~var_1_7~0))) (fp.eq .cse9 .cse9))) (fp.leq ~var_1_6~0 .cse5) (fp.geq ~var_1_7~0 .cse7)))))) is different from true [2024-11-09 01:34:32,641 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:34:32,641 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:35:20,962 WARN L286 SmtUtils]: Spent 5.67s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:35:59,578 WARN L286 SmtUtils]: Spent 7.38s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:37:11,981 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.add c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (and (forall ((~var_1_7~0 (_ FloatingPoint 11 53))) (or (let ((.cse0 (fp.add c_currentRoundingMode .cse1 ~var_1_7~0))) (fp.eq .cse0 .cse0)) (not (fp.leq ~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2))) (not (fp.geq ~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))))) (forall ((~var_1_7~0 (_ FloatingPoint 11 53))) (or (let ((.cse4 (fp.add c_currentRoundingMode .cse1 ~var_1_7~0))) (fp.eq .cse4 .cse4)) (not (fp.leq ~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3)))) (not (fp.geq ~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))))) is different from true [2024-11-09 01:37:11,983 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:37:11,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1974540969] [2024-11-09 01:37:11,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1974540969] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:37:11,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [613934210] [2024-11-09 01:37:11,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:37:11,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:37:11,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:37:11,995 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:37:11,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780601e3-5562-41b6-92d8-1f4d13d8e42b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 01:37:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:37:12,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 01:37:12,852 INFO L278 TraceCheckSpWp]: Computing forward predicates...