./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-38.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/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_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/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_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/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 e9427caecab7d47f6d79e965c4c7e61e381997b7011e11cf9c6567c6c8d4e38d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:04:50,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:04:50,712 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:04:50,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:04:50,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:04:50,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:04:50,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:04:50,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:04:50,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:04:50,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:04:50,777 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:04:50,778 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:04:50,778 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:04:50,779 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:04:50,779 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:04:50,779 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:04:50,780 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:04:50,780 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:04:50,782 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:04:50,783 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:04:50,786 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:04:50,787 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:04:50,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:04:50,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:04:50,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:04:50,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:04:50,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:04:50,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:04:50,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:04:50,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:04:50,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:04:50,794 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:04:50,794 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:04:50,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:04:50,795 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:04:50,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:04:50,795 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:04:50,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:04:50,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:04:50,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:04:50,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:04:50,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:04:50,799 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:04:50,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:04:50,800 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:04:50,801 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:04:50,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:04:50,801 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_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9427caecab7d47f6d79e965c4c7e61e381997b7011e11cf9c6567c6c8d4e38d [2024-11-09 01:04:51,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:04:51,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:04:51,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:04:51,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:04:51,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:04:51,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-38.i Unable to find full path for "g++" [2024-11-09 01:04:53,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:04:53,623 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:04:53,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-38.i [2024-11-09 01:04:53,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/data/841944dcf/fbbab24fad9a4390820fe8fecdf98e3f/FLAGdd1cb3fb1 [2024-11-09 01:04:53,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/data/841944dcf/fbbab24fad9a4390820fe8fecdf98e3f [2024-11-09 01:04:53,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:04:53,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:04:53,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:04:53,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:04:53,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:04:53,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:04:53" (1/1) ... [2024-11-09 01:04:53,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce2053a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:04:53, skipping insertion in model container [2024-11-09 01:04:53,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:04:53" (1/1) ... [2024-11-09 01:04:53,704 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:04:53,932 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_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-38.i[915,928] [2024-11-09 01:04:54,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:04:54,022 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:04:54,035 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_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-38.i[915,928] [2024-11-09 01:04:54,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:04:54,104 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:04:54,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:04:54 WrapperNode [2024-11-09 01:04:54,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:04:54,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:04:54,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:04:54,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:04:54,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:04:54" (1/1) ... [2024-11-09 01:04:54,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:04:54" (1/1) ... [2024-11-09 01:04:54,183 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-09 01:04:54,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:04:54,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:04:54,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:04:54,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:04:54,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:04:54" (1/1) ... [2024-11-09 01:04:54,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:04:54" (1/1) ... [2024-11-09 01:04:54,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:04:54" (1/1) ... [2024-11-09 01:04:54,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:04:54" (1/1) ... [2024-11-09 01:04:54,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:04:54" (1/1) ... [2024-11-09 01:04:54,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:04:54" (1/1) ... [2024-11-09 01:04:54,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:04:54" (1/1) ... [2024-11-09 01:04:54,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:04:54" (1/1) ... [2024-11-09 01:04:54,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:04:54,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:04:54,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:04:54,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:04:54,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:04:54" (1/1) ... [2024-11-09 01:04:54,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:04:54,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:04:54,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:04:54,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:04:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:04:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:04:54,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:04:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:04:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:04:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:04:54,413 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:04:54,416 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:04:54,773 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 01:04:54,773 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:04:54,872 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:04:54,872 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:04:54,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:04:54 BoogieIcfgContainer [2024-11-09 01:04:54,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:04:54,875 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:04:54,875 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:04:54,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:04:54,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:04:53" (1/3) ... [2024-11-09 01:04:54,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6d7b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:04:54, skipping insertion in model container [2024-11-09 01:04:54,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:04:54" (2/3) ... [2024-11-09 01:04:54,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6d7b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:04:54, skipping insertion in model container [2024-11-09 01:04:54,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:04:54" (3/3) ... [2024-11-09 01:04:54,887 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-38.i [2024-11-09 01:04:54,912 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:04:54,912 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:04:54,998 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:04:55,005 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;@3c7ace33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:04:55,006 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:04:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 01:04:55,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 01:04:55,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:04:55,023 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:04:55,024 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:04:55,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:04:55,032 INFO L85 PathProgramCache]: Analyzing trace with hash -122963701, now seen corresponding path program 1 times [2024-11-09 01:04:55,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:04:55,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220481346] [2024-11-09 01:04:55,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:04:55,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:04:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:04:55,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:04:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:04:55,710 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:04:55,712 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:04:55,714 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:04:55,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:04:55,722 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:04:55,818 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:04:55,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:04:55 BoogieIcfgContainer [2024-11-09 01:04:55,823 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:04:55,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:04:55,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:04:55,825 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:04:55,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:04:54" (3/4) ... [2024-11-09 01:04:55,829 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:04:55,830 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:04:55,832 INFO L158 Benchmark]: Toolchain (without parser) took 2169.18ms. Allocated memory is still 148.9MB. Free memory was 110.4MB in the beginning and 60.6MB in the end (delta: 49.8MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-09 01:04:55,832 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 111.1MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:04:55,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.68ms. Allocated memory is still 148.9MB. Free memory was 110.0MB in the beginning and 95.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:04:55,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.30ms. Allocated memory is still 148.9MB. Free memory was 95.7MB in the beginning and 92.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:04:55,834 INFO L158 Benchmark]: Boogie Preprocessor took 51.49ms. Allocated memory is still 148.9MB. Free memory was 92.4MB in the beginning and 90.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:04:55,835 INFO L158 Benchmark]: RCFGBuilder took 633.13ms. Allocated memory is still 148.9MB. Free memory was 90.7MB in the beginning and 108.1MB in the end (delta: -17.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-09 01:04:55,837 INFO L158 Benchmark]: TraceAbstraction took 949.13ms. Allocated memory is still 148.9MB. Free memory was 106.8MB in the beginning and 61.5MB in the end (delta: 45.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-09 01:04:55,838 INFO L158 Benchmark]: Witness Printer took 6.36ms. Allocated memory is still 148.9MB. Free memory was 61.5MB in the beginning and 60.6MB in the end (delta: 827.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:04:55,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 111.1MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.68ms. Allocated memory is still 148.9MB. Free memory was 110.0MB in the beginning and 95.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.30ms. Allocated memory is still 148.9MB. Free memory was 95.7MB in the beginning and 92.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.49ms. Allocated memory is still 148.9MB. Free memory was 92.4MB in the beginning and 90.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 633.13ms. Allocated memory is still 148.9MB. Free memory was 90.7MB in the beginning and 108.1MB in the end (delta: -17.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * TraceAbstraction took 949.13ms. Allocated memory is still 148.9MB. Free memory was 106.8MB in the beginning and 61.5MB in the end (delta: 45.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 6.36ms. Allocated memory is still 148.9MB. Free memory was 61.5MB in the beginning and 60.6MB in the end (delta: 827.4kB). 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 94, overapproximation of someBinaryArithmeticDOUBLEoperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 0; [L23] unsigned short int var_1_2 = 56507; [L24] unsigned short int var_1_3 = 52902; [L25] unsigned short int var_1_4 = 8; [L26] unsigned long int var_1_5 = 16; [L27] unsigned long int var_1_6 = 1771558822; [L28] double var_1_7 = 7.25; [L29] double var_1_8 = 31.2; [L30] double var_1_9 = 32.71; [L31] double var_1_10 = 0.4; [L32] double var_1_11 = 7.75; [L33] unsigned short int var_1_12 = 32; [L34] unsigned char var_1_13 = 0; [L35] unsigned short int var_1_14 = 20114; [L36] unsigned short int var_1_15 = 32; [L37] unsigned short int var_1_16 = 16773; [L98] isInitial = 1 [L99] FCALL initially() [L100] int k_loop; [L101] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=56507, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L101] COND FALSE !(k_loop < 1) VAL [isInitial=1, k_loop=0, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=56507, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L101] COND TRUE k_loop < 1 [L102] FCALL updateLastVariables() [L103] CALL updateVariables() [L58] var_1_2 = __VERIFIER_nondet_ushort() [L59] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L60] CALL assume_abort_if_not(var_1_2 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_2 <= 65534) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L61] var_1_3 = __VERIFIER_nondet_ushort() [L62] CALL assume_abort_if_not(var_1_3 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_3 >= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L63] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L64] var_1_4 = __VERIFIER_nondet_ushort() [L65] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L66] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L67] var_1_6 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_6 >= 1610612735) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_6 >= 1610612735) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L69] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L70] var_1_8 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_9=3271/100] [L72] var_1_9 = __VERIFIER_nondet_double() [L73] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L74] var_1_10 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_10 >= -115292.1504606845700e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 1152921.504606845700e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_10 >= -115292.1504606845700e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 1152921.504606845700e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L76] var_1_11 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_11 >= -115292.1504606845700e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 1152921.504606845700e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((var_1_11 >= -115292.1504606845700e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 1152921.504606845700e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L78] var_1_13 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_12=32, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L80] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=1, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_12=32, var_1_13=1, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L81] var_1_14 = __VERIFIER_nondet_ushort() [L82] CALL assume_abort_if_not(var_1_14 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=1, var_1_14=-48692, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_14 >= 16383) VAL [isInitial=1, var_1_12=32, var_1_13=1, var_1_14=-48692, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L83] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=1, var_1_14=-48692, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, var_1_12=32, var_1_13=1, var_1_14=-48692, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L84] var_1_15 = __VERIFIER_nondet_ushort() [L85] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=1, var_1_14=-48692, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_12=32, var_1_13=1, var_1_14=-48692, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L86] CALL assume_abort_if_not(var_1_15 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=1, var_1_14=-48692, var_1_15=3191029759, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_15 <= 16383) VAL [isInitial=1, var_1_12=32, var_1_13=1, var_1_14=-48692, var_1_15=3191029759, var_1_16=16773, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L87] var_1_16 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_16 >= 16384) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=1, var_1_14=-48692, var_1_15=3191029759, var_1_16=32767, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_16 >= 16384) VAL [isInitial=1, var_1_12=32, var_1_13=1, var_1_14=-48692, var_1_15=3191029759, var_1_16=32767, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L89] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=1, var_1_14=-48692, var_1_15=3191029759, var_1_16=32767, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_12=32, var_1_13=1, var_1_14=-48692, var_1_15=3191029759, var_1_16=32767, var_1_1=0, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L103] RET updateVariables() [L104] CALL step() [L41] var_1_1 = (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4) [L42] unsigned short int stepLocal_0 = var_1_4; [L43] COND FALSE !(stepLocal_0 > var_1_2) [L46] var_1_7 = (var_1_8 + (var_1_9 + (var_1_10 + var_1_11))) [L47] COND FALSE !(! var_1_13) [L50] COND TRUE \read(var_1_13) [L51] var_1_12 = ((27636 + var_1_16) - (((((16853 - 10)) > (var_1_14)) ? ((16853 - 10)) : (var_1_14)))) [L104] RET step() [L105] CALL, EXPR property() [L94-L95] return (((var_1_1 == ((unsigned short int) (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4))) && ((var_1_4 > var_1_2) ? (var_1_5 == ((unsigned long int) (((var_1_6 - var_1_3) + 2144048120u) - var_1_2))) : 1)) && (var_1_7 == ((double) (var_1_8 + (var_1_9 + (var_1_10 + var_1_11)))))) && ((! var_1_13) ? (var_1_12 == ((unsigned short int) (var_1_3 - (var_1_14 - var_1_15)))) : (var_1_13 ? (var_1_12 == ((unsigned short int) ((27636 + var_1_16) - (((((16853 - 10)) > (var_1_14)) ? ((16853 - 10)) : (var_1_14)))))) : (var_1_12 == ((unsigned short int) var_1_3)))) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_12=43559, var_1_13=1, var_1_14=-48692, var_1_15=3191029759, var_1_16=32767, var_1_1=32767, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735] [L19] reach_error() VAL [isInitial=1, var_1_12=43559, var_1_13=1, var_1_14=-48692, var_1_15=3191029759, var_1_16=32767, var_1_1=32767, var_1_2=65534, var_1_3=44020, var_1_4=98303, var_1_5=16, var_1_6=1610612735] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 20, 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=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 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 01:04:55,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/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_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/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_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/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 e9427caecab7d47f6d79e965c4c7e61e381997b7011e11cf9c6567c6c8d4e38d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:04:58,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:04:58,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 01:04:58,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:04:58,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:04:58,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:04:58,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:04:58,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:04:58,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:04:58,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:04:58,473 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:04:58,473 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:04:58,474 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:04:58,474 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:04:58,474 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:04:58,475 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:04:58,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:04:58,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:04:58,479 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:04:58,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:04:58,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:04:58,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:04:58,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:04:58,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:04:58,484 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:04:58,485 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:04:58,485 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:04:58,485 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:04:58,485 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:04:58,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:04:58,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:04:58,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:04:58,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:04:58,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:04:58,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:04:58,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:04:58,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:04:58,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:04:58,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:04:58,491 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:04:58,492 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:04:58,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:04:58,492 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:04:58,492 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_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9427caecab7d47f6d79e965c4c7e61e381997b7011e11cf9c6567c6c8d4e38d [2024-11-09 01:04:58,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:04:58,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:04:58,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:04:58,943 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:04:58,943 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:04:58,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-38.i Unable to find full path for "g++" [2024-11-09 01:05:01,106 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:05:01,384 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:05:01,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-38.i [2024-11-09 01:05:01,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/data/f775f16ea/cdcefcdfc9ec44499061f2f4f9af5b88/FLAG554f48303 [2024-11-09 01:05:01,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/data/f775f16ea/cdcefcdfc9ec44499061f2f4f9af5b88 [2024-11-09 01:05:01,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:05:01,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:05:01,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:05:01,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:05:01,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:05:01,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:05:01" (1/1) ... [2024-11-09 01:05:01,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52aca3ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:01, skipping insertion in model container [2024-11-09 01:05:01,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:05:01" (1/1) ... [2024-11-09 01:05:01,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:05:01,993 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_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-38.i[915,928] [2024-11-09 01:05:02,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:05:02,090 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:05:02,104 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_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-38.i[915,928] [2024-11-09 01:05:02,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:05:02,189 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:05:02,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:02 WrapperNode [2024-11-09 01:05:02,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:05:02,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:05:02,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:05:02,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:05:02,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:02" (1/1) ... [2024-11-09 01:05:02,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:02" (1/1) ... [2024-11-09 01:05:02,277 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-09 01:05:02,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:05:02,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:05:02,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:05:02,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:05:02,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:02" (1/1) ... [2024-11-09 01:05:02,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:02" (1/1) ... [2024-11-09 01:05:02,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:02" (1/1) ... [2024-11-09 01:05:02,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:02" (1/1) ... [2024-11-09 01:05:02,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:02" (1/1) ... [2024-11-09 01:05:02,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:02" (1/1) ... [2024-11-09 01:05:02,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:02" (1/1) ... [2024-11-09 01:05:02,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:02" (1/1) ... [2024-11-09 01:05:02,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:05:02,342 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:05:02,342 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:05:02,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:05:02,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:02" (1/1) ... [2024-11-09 01:05:02,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:05:02,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:05:02,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:05:02,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:05:02,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:05:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:05:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:05:02,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:05:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:05:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:05:02,508 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:05:02,513 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:05:06,534 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 01:05:06,535 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:05:06,547 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:05:06,547 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:05:06,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:05:06 BoogieIcfgContainer [2024-11-09 01:05:06,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:05:06,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:05:06,550 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:05:06,553 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:05:06,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:05:01" (1/3) ... [2024-11-09 01:05:06,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f40f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:05:06, skipping insertion in model container [2024-11-09 01:05:06,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:02" (2/3) ... [2024-11-09 01:05:06,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f40f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:05:06, skipping insertion in model container [2024-11-09 01:05:06,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:05:06" (3/3) ... [2024-11-09 01:05:06,556 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-38.i [2024-11-09 01:05:06,569 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:05:06,569 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:05:06,642 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:05:06,650 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;@f035c68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:05:06,650 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:05:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 34 states have internal predecessors, (41), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 01:05:06,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 01:05:06,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:05:06,669 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:05:06,670 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:05:06,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:05:06,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1054079696, now seen corresponding path program 1 times [2024-11-09 01:05:06,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:05:06,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1250343638] [2024-11-09 01:05:06,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:05:06,686 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 01:05:06,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:05:06,688 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/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 01:05:06,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/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 01:05:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:07,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 01:05:07,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:05:07,156 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-11-09 01:05:07,158 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:05:07,159 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:05:07,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1250343638] [2024-11-09 01:05:07,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1250343638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:05:07,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:05:07,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:05:07,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041625255] [2024-11-09 01:05:07,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:05:07,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:05:07,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:05:07,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:05:07,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:05:07,195 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 34 states have internal predecessors, (41), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 01:05:07,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:05:07,223 INFO L93 Difference]: Finished difference Result 109 states and 179 transitions. [2024-11-09 01:05:07,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:05:07,226 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-09 01:05:07,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:05:07,233 INFO L225 Difference]: With dead ends: 109 [2024-11-09 01:05:07,234 INFO L226 Difference]: Without dead ends: 52 [2024-11-09 01:05:07,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 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 01:05:07,241 INFO L432 NwaCegarLoop]: 79 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, 79 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 01:05:07,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:05:07,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-09 01:05:07,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-09 01:05:07,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 01:05:07,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions. [2024-11-09 01:05:07,300 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 74 transitions. Word has length 125 [2024-11-09 01:05:07,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:05:07,301 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 74 transitions. [2024-11-09 01:05:07,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 01:05:07,301 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 01:05:07,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 01:05:07,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:05:07,305 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:05:07,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/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 01:05:07,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/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 01:05:07,506 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:05:07,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:05:07,507 INFO L85 PathProgramCache]: Analyzing trace with hash 525964856, now seen corresponding path program 1 times [2024-11-09 01:05:07,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:05:07,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102772167] [2024-11-09 01:05:07,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:05:07,508 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 01:05:07,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:05:07,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/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 01:05:07,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b19a3bf-1fd3-4fec-ad96-72a01a0d3d15/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 01:05:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:08,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 01:05:08,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:05:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 410 proven. 231 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-09 01:05:45,211 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:15:16,540 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse17 ((_ zero_extend 16) c_~var_1_2~0)) (.cse16 ((_ zero_extend 16) c_~var_1_3~0)) (.cse22 ((_ zero_extend 16) c_~var_1_4~0))) (let ((.cse23 ((_ zero_extend 16) c_~var_1_14~0)) (.cse24 (fp.eq c_~var_1_7~0 (fp.add c_currentRoundingMode c_~var_1_8~0 (fp.add c_currentRoundingMode c_~var_1_9~0 (fp.add c_currentRoundingMode c_~var_1_10~0 c_~var_1_11~0))))) (.cse26 ((_ zero_extend 16) c_~var_1_1~0)) (.cse25 (bvneg .cse22)) (.cse27 (bvsgt .cse17 .cse16))) (let ((.cse20 (= (_ bv0 8) c_~var_1_13~0)) (.cse18 (or (and .cse24 (= .cse26 ((_ zero_extend 16) ((_ extract 15 0) (bvadd .cse16 .cse25))))) .cse27)) (.cse19 (or (and .cse24 (= ((_ zero_extend 16) ((_ extract 15 0) (bvadd .cse17 .cse25))) .cse26)) (not .cse27))) (.cse12 ((_ zero_extend 16) c_~var_1_12~0)) (.cse13 (bvneg .cse23))) (let ((.cse14 (forall ((~var_1_16~0 (_ BitVec 16))) (= .cse12 ((_ zero_extend 16) ((_ extract 15 0) (bvadd .cse13 (_ bv27636 32) ((_ zero_extend 16) ~var_1_16~0))))))) (.cse11 (and .cse18 (= ((_ zero_extend 16) ((_ extract 15 0) (bvadd (bvneg (bvadd (bvneg ((_ zero_extend 16) c_~var_1_15~0)) .cse23)) .cse16))) .cse12) .cse19)) (.cse21 (forall ((~var_1_16~0 (_ BitVec 16))) (= ((_ zero_extend 16) ((_ extract 15 0) (bvadd (_ bv10793 32) ((_ zero_extend 16) ~var_1_16~0)))) .cse12))) (.cse15 (not .cse20)) (.cse1 (bvsgt (_ bv16843 32) .cse23))) (let ((.cse0 (bvsgt .cse22 .cse17)) (.cse10 (not .cse1)) (.cse8 (or (and (or (forall ((~var_1_16~0 (_ BitVec 16))) (not (= ((_ zero_extend 16) ((_ extract 15 0) (bvadd (_ bv10793 32) ((_ zero_extend 16) ~var_1_16~0)))) .cse12))) .cse11) (or .cse11 .cse21)) .cse15)) (.cse9 (or (and .cse18 .cse19 .cse21) .cse20)) (.cse5 (or (and .cse18 .cse19 .cse14) .cse20)) (.cse4 (= c_~var_1_5~0 (bvadd (_ bv2144048120 32) (bvneg .cse16) c_~var_1_6~0 (bvneg .cse17)))) (.cse6 (or (and (or .cse11 (forall ((~var_1_16~0 (_ BitVec 16))) (not (= .cse12 ((_ zero_extend 16) ((_ extract 15 0) (bvadd .cse13 (_ bv27636 32) ((_ zero_extend 16) ~var_1_16~0)))))))) (or .cse14 .cse11)) .cse15))) (and (or .cse0 (let ((.cse3 (not .cse4))) (and (or .cse1 (let ((.cse2 (and .cse5 .cse6))) (and (or .cse2 .cse3) (or .cse2 .cse4)))) (or (let ((.cse7 (and .cse8 .cse9))) (and (or .cse7 .cse4) (or .cse7 .cse3))) .cse10)))) (or (not .cse0) (and (or .cse10 (and .cse8 .cse9 .cse4)) (or (and .cse5 .cse4 .cse6) .cse1))))))))) is different from false [2024-11-09 01:15:18,561 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse17 ((_ zero_extend 16) c_~var_1_2~0)) (.cse16 ((_ zero_extend 16) c_~var_1_3~0)) (.cse22 ((_ zero_extend 16) c_~var_1_4~0))) (let ((.cse23 ((_ zero_extend 16) c_~var_1_14~0)) (.cse24 (fp.eq c_~var_1_7~0 (fp.add c_currentRoundingMode c_~var_1_8~0 (fp.add c_currentRoundingMode c_~var_1_9~0 (fp.add c_currentRoundingMode c_~var_1_10~0 c_~var_1_11~0))))) (.cse26 ((_ zero_extend 16) c_~var_1_1~0)) (.cse25 (bvneg .cse22)) (.cse27 (bvsgt .cse17 .cse16))) (let ((.cse20 (= (_ bv0 8) c_~var_1_13~0)) (.cse18 (or (and .cse24 (= .cse26 ((_ zero_extend 16) ((_ extract 15 0) (bvadd .cse16 .cse25))))) .cse27)) (.cse19 (or (and .cse24 (= ((_ zero_extend 16) ((_ extract 15 0) (bvadd .cse17 .cse25))) .cse26)) (not .cse27))) (.cse12 ((_ zero_extend 16) c_~var_1_12~0)) (.cse13 (bvneg .cse23))) (let ((.cse14 (forall ((~var_1_16~0 (_ BitVec 16))) (= .cse12 ((_ zero_extend 16) ((_ extract 15 0) (bvadd .cse13 (_ bv27636 32) ((_ zero_extend 16) ~var_1_16~0))))))) (.cse11 (and .cse18 (= ((_ zero_extend 16) ((_ extract 15 0) (bvadd (bvneg (bvadd (bvneg ((_ zero_extend 16) c_~var_1_15~0)) .cse23)) .cse16))) .cse12) .cse19)) (.cse21 (forall ((~var_1_16~0 (_ BitVec 16))) (= ((_ zero_extend 16) ((_ extract 15 0) (bvadd (_ bv10793 32) ((_ zero_extend 16) ~var_1_16~0)))) .cse12))) (.cse15 (not .cse20)) (.cse1 (bvsgt (_ bv16843 32) .cse23))) (let ((.cse0 (bvsgt .cse22 .cse17)) (.cse10 (not .cse1)) (.cse8 (or (and (or (forall ((~var_1_16~0 (_ BitVec 16))) (not (= ((_ zero_extend 16) ((_ extract 15 0) (bvadd (_ bv10793 32) ((_ zero_extend 16) ~var_1_16~0)))) .cse12))) .cse11) (or .cse11 .cse21)) .cse15)) (.cse9 (or (and .cse18 .cse19 .cse21) .cse20)) (.cse5 (or (and .cse18 .cse19 .cse14) .cse20)) (.cse4 (= c_~var_1_5~0 (bvadd (_ bv2144048120 32) (bvneg .cse16) c_~var_1_6~0 (bvneg .cse17)))) (.cse6 (or (and (or .cse11 (forall ((~var_1_16~0 (_ BitVec 16))) (not (= .cse12 ((_ zero_extend 16) ((_ extract 15 0) (bvadd .cse13 (_ bv27636 32) ((_ zero_extend 16) ~var_1_16~0)))))))) (or .cse14 .cse11)) .cse15))) (and (or .cse0 (let ((.cse3 (not .cse4))) (and (or .cse1 (let ((.cse2 (and .cse5 .cse6))) (and (or .cse2 .cse3) (or .cse2 .cse4)))) (or (let ((.cse7 (and .cse8 .cse9))) (and (or .cse7 .cse4) (or .cse7 .cse3))) .cse10)))) (or (not .cse0) (and (or .cse10 (and .cse8 .cse9 .cse4)) (or (and .cse5 .cse4 .cse6) .cse1))))))))) is different from true