./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.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_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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 db4339d9c0024596d658d0411cbe4cbce1656ab1dc5134de3a6a8a906120bfe4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:49:58,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:49:59,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:49:59,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:49:59,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:49:59,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:49:59,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:49:59,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:49:59,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:49:59,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:49:59,138 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:49:59,138 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:49:59,139 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:49:59,139 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:49:59,139 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:49:59,139 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:49:59,140 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:49:59,140 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:49:59,140 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:49:59,141 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:49:59,141 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:49:59,143 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:49:59,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:49:59,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:49:59,144 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:49:59,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:49:59,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:49:59,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:49:59,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:49:59,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:49:59,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:49:59,146 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:49:59,146 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:49:59,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:49:59,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:49:59,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:49:59,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:49:59,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:49:59,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:49:59,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:49:59,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:49:59,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:49:59,151 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:49:59,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:49:59,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:49:59,152 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:49:59,152 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:49:59,152 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_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db4339d9c0024596d658d0411cbe4cbce1656ab1dc5134de3a6a8a906120bfe4 [2024-11-09 04:49:59,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:49:59,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:49:59,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:49:59,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:49:59,445 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:49:59,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i Unable to find full path for "g++" [2024-11-09 04:50:01,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:50:01,619 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:50:01,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i [2024-11-09 04:50:01,628 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/data/3b1acb3e7/888c30ce825345b891a75223a07a13eb/FLAG075092733 [2024-11-09 04:50:01,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/data/3b1acb3e7/888c30ce825345b891a75223a07a13eb [2024-11-09 04:50:01,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:50:01,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:50:01,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:50:01,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:50:01,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:50:01,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69085141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01, skipping insertion in model container [2024-11-09 04:50:01,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:50:01,885 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_9f09ede7-b4b4-45f9-8c80-9db133c99c27/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i[913,926] [2024-11-09 04:50:01,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:50:01,957 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:50:01,970 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_9f09ede7-b4b4-45f9-8c80-9db133c99c27/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i[913,926] [2024-11-09 04:50:02,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:50:02,035 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:50:02,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:02 WrapperNode [2024-11-09 04:50:02,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:50:02,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:50:02,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:50:02,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:50:02,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:02" (1/1) ... [2024-11-09 04:50:02,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:02" (1/1) ... [2024-11-09 04:50:02,099 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 161 [2024-11-09 04:50:02,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:50:02,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:50:02,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:50:02,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:50:02,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:02" (1/1) ... [2024-11-09 04:50:02,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:02" (1/1) ... [2024-11-09 04:50:02,114 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:02" (1/1) ... [2024-11-09 04:50:02,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:02" (1/1) ... [2024-11-09 04:50:02,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:02" (1/1) ... [2024-11-09 04:50:02,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:02" (1/1) ... [2024-11-09 04:50:02,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:02" (1/1) ... [2024-11-09 04:50:02,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:02" (1/1) ... [2024-11-09 04:50:02,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:50:02,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:50:02,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:50:02,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:50:02,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:02" (1/1) ... [2024-11-09 04:50:02,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:50:02,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:50:02,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:50:02,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:50:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:50:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:50:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:50:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:50:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:50:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:50:02,333 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:50:02,337 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:50:02,865 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 04:50:02,865 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:50:03,249 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:50:03,250 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:50:03,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:50:03 BoogieIcfgContainer [2024-11-09 04:50:03,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:50:03,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:50:03,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:50:03,257 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:50:03,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:50:01" (1/3) ... [2024-11-09 04:50:03,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e52baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:50:03, skipping insertion in model container [2024-11-09 04:50:03,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:02" (2/3) ... [2024-11-09 04:50:03,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e52baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:50:03, skipping insertion in model container [2024-11-09 04:50:03,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:50:03" (3/3) ... [2024-11-09 04:50:03,262 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-17.i [2024-11-09 04:50:03,281 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:50:03,282 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:50:03,356 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:50:03,364 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;@3bce8978, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:50:03,364 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:50:03,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 04:50:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 04:50:03,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:50:03,381 INFO L215 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:03,383 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:50:03,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:50:03,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1908275513, now seen corresponding path program 1 times [2024-11-09 04:50:03,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:50:03,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204950029] [2024-11-09 04:50:03,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:03,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:50:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:50:03,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1739455840] [2024-11-09 04:50:03,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:03,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:50:03,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:50:04,000 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:50:04,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:50:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:50:04,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:50:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:50:04,508 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:50:04,512 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:50:04,514 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:50:04,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:50:04,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 04:50:04,720 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:50:04,779 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:50:04,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:50:04 BoogieIcfgContainer [2024-11-09 04:50:04,782 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:50:04,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:50:04,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:50:04,783 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:50:04,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:50:03" (3/4) ... [2024-11-09 04:50:04,786 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:50:04,787 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:50:04,788 INFO L158 Benchmark]: Toolchain (without parser) took 3137.92ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 98.3MB in the beginning and 106.3MB in the end (delta: -8.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-09 04:50:04,789 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 140.5MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:50:04,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.46ms. Allocated memory is still 140.5MB. Free memory was 98.0MB in the beginning and 82.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:50:04,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.55ms. Allocated memory is still 140.5MB. Free memory was 82.3MB in the beginning and 78.5MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:50:04,790 INFO L158 Benchmark]: Boogie Preprocessor took 38.27ms. Allocated memory is still 140.5MB. Free memory was 78.5MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:50:04,791 INFO L158 Benchmark]: RCFGBuilder took 1111.43ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 76.4MB in the beginning and 108.3MB in the end (delta: -31.9MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-11-09 04:50:04,791 INFO L158 Benchmark]: TraceAbstraction took 1529.98ms. Allocated memory is still 190.8MB. Free memory was 107.4MB in the beginning and 106.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:50:04,792 INFO L158 Benchmark]: Witness Printer took 4.45ms. Allocated memory is still 190.8MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:50:04,795 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 140.5MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.46ms. Allocated memory is still 140.5MB. Free memory was 98.0MB in the beginning and 82.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.55ms. Allocated memory is still 140.5MB. Free memory was 82.3MB in the beginning and 78.5MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.27ms. Allocated memory is still 140.5MB. Free memory was 78.5MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1111.43ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 76.4MB in the beginning and 108.3MB in the end (delta: -31.9MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1529.98ms. Allocated memory is still 190.8MB. Free memory was 107.4MB in the beginning and 106.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.45ms. Allocated memory is still 190.8MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of bitwiseAnd at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 25; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 0; [L31] double var_1_11 = 7.3; [L32] double var_1_12 = 1.25; [L33] double var_1_13 = 128.8; [L34] signed char var_1_14 = -1; [L35] signed char var_1_15 = 10; [L36] signed short int var_1_16 = 8; [L37] unsigned long int var_1_18 = 128; [L38] unsigned long int var_1_19 = 3963666122; [L39] unsigned char last_1_var_1_8 = 1; [L40] signed char last_1_var_1_14 = -1; [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] CALL updateLastVariables() [L117] last_1_var_1_8 = var_1_8 [L118] last_1_var_1_14 = var_1_14 [L128] RET updateLastVariables() [L129] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L90] var_1_3 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L92] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L93] var_1_4 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L95] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L96] var_1_7 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_8=1, var_1_9=0] [L98] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=0] [L99] var_1_9 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L102] var_1_10 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L105] var_1_12 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L107] var_1_13 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L109] var_1_15 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L111] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L112] var_1_19 = __VERIFIER_nondet_ulong() [L113] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L114] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-127, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L129] RET updateVariables() [L130] CALL step() [L44] unsigned char stepLocal_0 = last_1_var_1_8; [L45] COND TRUE stepLocal_0 && last_1_var_1_8 [L46] COND TRUE \read(last_1_var_1_8) [L47] var_1_5 = (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))) [L52] COND FALSE !(var_1_5 < var_1_3) [L55] var_1_8 = (! var_1_10) [L57] var_1_1 = (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))) [L58] COND FALSE !((64.4f + 1.5f) <= var_1_13) [L63] unsigned char stepLocal_3 = var_1_9 && var_1_8; [L64] COND FALSE !(stepLocal_3 || (var_1_8 && var_1_10)) [L67] var_1_18 = var_1_2 [L69] signed long int stepLocal_1 = 8 + var_1_14; [L70] COND TRUE var_1_4 == stepLocal_1 [L71] var_1_11 = ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) [L73] EXPR var_1_15 & var_1_1 [L73] unsigned long int stepLocal_2 = var_1_18 * (var_1_15 & var_1_1); [L74] COND TRUE var_1_12 >= 9.6 [L75] COND TRUE \read(var_1_10) [L76] var_1_16 = (2 - var_1_1) [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) [L121-L122] return ((((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1)) && (((var_1_9 && var_1_8) || (var_1_8 && var_1_10)) ? (var_1_18 == ((unsigned long int) (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))))) : (var_1_18 == ((unsigned long int) var_1_2))) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=-127, var_1_16=-48, var_1_18=1, var_1_19=-2147483649, var_1_1=50, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=0, var_1_7=-255, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=-127, var_1_16=-48, var_1_18=1, var_1_19=-2147483649, var_1_1=50, var_1_2=-1279, var_1_3=0, var_1_4=-249, var_1_5=0, var_1_7=-255, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 18, 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=37occurred 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 04:50:04,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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 db4339d9c0024596d658d0411cbe4cbce1656ab1dc5134de3a6a8a906120bfe4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:50:07,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:50:07,297 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:50:07,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:50:07,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:50:07,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:50:07,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:50:07,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:50:07,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:50:07,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:50:07,351 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:50:07,352 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:50:07,352 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:50:07,352 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:50:07,356 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:50:07,357 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:50:07,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:50:07,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:50:07,358 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:50:07,358 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:50:07,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:50:07,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:50:07,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:50:07,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:50:07,359 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:50:07,360 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:50:07,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:50:07,360 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:50:07,360 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:50:07,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:50:07,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:50:07,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:50:07,361 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:50:07,361 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:50:07,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:50:07,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:50:07,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:50:07,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:50:07,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:50:07,365 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:50:07,365 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:50:07,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:50:07,366 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:50:07,366 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_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db4339d9c0024596d658d0411cbe4cbce1656ab1dc5134de3a6a8a906120bfe4 [2024-11-09 04:50:07,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:50:07,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:50:07,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:50:07,784 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:50:07,785 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:50:07,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i Unable to find full path for "g++" [2024-11-09 04:50:09,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:50:10,260 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:50:10,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i [2024-11-09 04:50:10,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/data/fd2002d5d/b121d2faa0fd4dd0b922f4eb6fccecf4/FLAG29a1b50f7 [2024-11-09 04:50:10,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/data/fd2002d5d/b121d2faa0fd4dd0b922f4eb6fccecf4 [2024-11-09 04:50:10,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:50:10,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:50:10,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:50:10,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:50:10,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:50:10,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:50:10" (1/1) ... [2024-11-09 04:50:10,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71133c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:10, skipping insertion in model container [2024-11-09 04:50:10,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:50:10" (1/1) ... [2024-11-09 04:50:10,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:50:10,525 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_9f09ede7-b4b4-45f9-8c80-9db133c99c27/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i[913,926] [2024-11-09 04:50:10,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:50:10,604 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:50:10,624 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_9f09ede7-b4b4-45f9-8c80-9db133c99c27/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-17.i[913,926] [2024-11-09 04:50:10,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:50:10,674 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:50:10,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:10 WrapperNode [2024-11-09 04:50:10,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:50:10,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:50:10,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:50:10,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:50:10,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:10" (1/1) ... [2024-11-09 04:50:10,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:10" (1/1) ... [2024-11-09 04:50:10,744 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 128 [2024-11-09 04:50:10,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:50:10,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:50:10,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:50:10,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:50:10,762 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:10" (1/1) ... [2024-11-09 04:50:10,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:10" (1/1) ... [2024-11-09 04:50:10,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:10" (1/1) ... [2024-11-09 04:50:10,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:10" (1/1) ... [2024-11-09 04:50:10,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:10" (1/1) ... [2024-11-09 04:50:10,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:10" (1/1) ... [2024-11-09 04:50:10,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:10" (1/1) ... [2024-11-09 04:50:10,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:10" (1/1) ... [2024-11-09 04:50:10,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:50:10,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:50:10,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:50:10,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:50:10,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:10" (1/1) ... [2024-11-09 04:50:10,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:50:10,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:50:10,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:50:10,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:50:10,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:50:10,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:50:10,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:50:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:50:10,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:50:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:50:10,996 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:50:10,998 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:50:11,757 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-09 04:50:11,757 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:50:11,775 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:50:11,775 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:50:11,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:50:11 BoogieIcfgContainer [2024-11-09 04:50:11,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:50:11,780 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:50:11,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:50:11,783 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:50:11,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:50:10" (1/3) ... [2024-11-09 04:50:11,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df042ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:50:11, skipping insertion in model container [2024-11-09 04:50:11,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:10" (2/3) ... [2024-11-09 04:50:11,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df042ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:50:11, skipping insertion in model container [2024-11-09 04:50:11,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:50:11" (3/3) ... [2024-11-09 04:50:11,786 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-17.i [2024-11-09 04:50:11,800 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:50:11,800 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:50:11,864 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:50:11,874 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;@316a9790, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:50:11,874 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:50:11,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 04:50:11,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 04:50:11,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:50:11,892 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:11,892 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:50:11,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:50:11,898 INFO L85 PathProgramCache]: Analyzing trace with hash 372448451, now seen corresponding path program 1 times [2024-11-09 04:50:11,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:50:11,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095246567] [2024-11-09 04:50:11,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:11,909 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 04:50:11,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:50:11,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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 04:50:11,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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 04:50:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:12,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:50:12,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:50:12,232 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-09 04:50:12,232 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:50:12,233 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:50:12,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095246567] [2024-11-09 04:50:12,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1095246567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:50:12,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:50:12,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:50:12,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892707816] [2024-11-09 04:50:12,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:50:12,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:50:12,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:50:12,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:50:12,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:50:12,266 INFO L87 Difference]: Start difference. First operand has 61 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 04:50:12,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:50:12,293 INFO L93 Difference]: Finished difference Result 115 states and 194 transitions. [2024-11-09 04:50:12,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:50:12,296 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 119 [2024-11-09 04:50:12,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:50:12,303 INFO L225 Difference]: With dead ends: 115 [2024-11-09 04:50:12,304 INFO L226 Difference]: Without dead ends: 57 [2024-11-09 04:50:12,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 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 04:50:12,311 INFO L432 NwaCegarLoop]: 84 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, 84 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 04:50:12,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:50:12,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-09 04:50:12,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-09 04:50:12,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 04:50:12,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2024-11-09 04:50:12,368 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 119 [2024-11-09 04:50:12,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:50:12,369 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2024-11-09 04:50:12,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 04:50:12,369 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2024-11-09 04:50:12,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 04:50:12,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:50:12,375 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:12,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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)] Forceful destruction successful, exit code 0 [2024-11-09 04:50:12,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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 04:50:12,578 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:50:12,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:50:12,579 INFO L85 PathProgramCache]: Analyzing trace with hash 453982655, now seen corresponding path program 1 times [2024-11-09 04:50:12,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:50:12,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355477440] [2024-11-09 04:50:12,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:12,584 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 04:50:12,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:50:12,587 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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 04:50:12,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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 04:50:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:12,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:50:12,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:50:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 04:50:13,375 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:50:13,376 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:50:13,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355477440] [2024-11-09 04:50:13,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355477440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:50:13,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:50:13,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:50:13,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224414193] [2024-11-09 04:50:13,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:50:13,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:50:13,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:50:13,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:50:13,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:50:13,384 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 04:50:14,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:50:14,155 INFO L93 Difference]: Finished difference Result 166 states and 247 transitions. [2024-11-09 04:50:14,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:50:14,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 119 [2024-11-09 04:50:14,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:50:14,164 INFO L225 Difference]: With dead ends: 166 [2024-11-09 04:50:14,164 INFO L226 Difference]: Without dead ends: 112 [2024-11-09 04:50:14,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:50:14,167 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 47 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:50:14,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 264 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 04:50:14,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-09 04:50:14,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 93. [2024-11-09 04:50:14,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 54 states have internal predecessors, (65), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 04:50:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 137 transitions. [2024-11-09 04:50:14,195 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 137 transitions. Word has length 119 [2024-11-09 04:50:14,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:50:14,198 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 137 transitions. [2024-11-09 04:50:14,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 04:50:14,199 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions. [2024-11-09 04:50:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 04:50:14,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:50:14,203 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:14,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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)] Forceful destruction successful, exit code 0 [2024-11-09 04:50:14,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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 04:50:14,405 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:50:14,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:50:14,407 INFO L85 PathProgramCache]: Analyzing trace with hash 974767850, now seen corresponding path program 1 times [2024-11-09 04:50:14,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:50:14,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807083334] [2024-11-09 04:50:14,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:14,409 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 04:50:14,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:50:14,412 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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 04:50:14,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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 04:50:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:14,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 04:50:14,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:50:15,372 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 317 proven. 21 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-09 04:50:15,373 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:50:15,980 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-09 04:50:15,980 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:50:15,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807083334] [2024-11-09 04:50:15,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [807083334] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:50:15,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1614708598] [2024-11-09 04:50:15,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:15,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:50:15,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:50:15,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:50:15,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 04:50:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:16,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 04:50:16,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:50:17,832 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 345 proven. 63 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-09 04:50:17,832 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:50:18,683 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 48 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-11-09 04:50:18,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1614708598] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:50:18,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284714097] [2024-11-09 04:50:18,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:18,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:50:18,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:50:18,688 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:50:18,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 04:50:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:18,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 04:50:18,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:50:20,681 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 360 proven. 72 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 04:50:20,682 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:50:21,857 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-09 04:50:21,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284714097] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:50:21,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 04:50:21,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 14, 10, 17, 14] total 52 [2024-11-09 04:50:21,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457123722] [2024-11-09 04:50:21,858 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 04:50:21,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-09 04:50:21,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:50:21,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-09 04:50:21,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=2063, Unknown=0, NotChecked=0, Total=2652 [2024-11-09 04:50:21,864 INFO L87 Difference]: Start difference. First operand 93 states and 137 transitions. Second operand has 52 states, 51 states have (on average 3.0784313725490198) internal successors, (157), 49 states have internal predecessors, (157), 16 states have call successors, (81), 10 states have call predecessors, (81), 18 states have return successors, (84), 16 states have call predecessors, (84), 16 states have call successors, (84) [2024-11-09 04:50:26,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:50:26,728 INFO L93 Difference]: Finished difference Result 336 states and 455 transitions. [2024-11-09 04:50:26,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-09 04:50:26,729 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 51 states have (on average 3.0784313725490198) internal successors, (157), 49 states have internal predecessors, (157), 16 states have call successors, (81), 10 states have call predecessors, (81), 18 states have return successors, (84), 16 states have call predecessors, (84), 16 states have call successors, (84) Word has length 120 [2024-11-09 04:50:26,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:50:26,733 INFO L225 Difference]: With dead ends: 336 [2024-11-09 04:50:26,734 INFO L226 Difference]: Without dead ends: 282 [2024-11-09 04:50:26,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 759 GetRequests, 668 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2696 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=2005, Invalid=6367, Unknown=0, NotChecked=0, Total=8372 [2024-11-09 04:50:26,740 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 1007 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 1804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 596 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:50:26,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1015 Valid, 792 Invalid, 1804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [596 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-09 04:50:26,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-09 04:50:26,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 213. [2024-11-09 04:50:26,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 136 states have (on average 1.1470588235294117) internal successors, (156), 137 states have internal predecessors, (156), 62 states have call successors, (62), 14 states have call predecessors, (62), 14 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-09 04:50:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 280 transitions. [2024-11-09 04:50:26,798 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 280 transitions. Word has length 120 [2024-11-09 04:50:26,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:50:26,798 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 280 transitions. [2024-11-09 04:50:26,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 3.0784313725490198) internal successors, (157), 49 states have internal predecessors, (157), 16 states have call successors, (81), 10 states have call predecessors, (81), 18 states have return successors, (84), 16 states have call predecessors, (84), 16 states have call successors, (84) [2024-11-09 04:50:26,799 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 280 transitions. [2024-11-09 04:50:26,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 04:50:26,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:50:26,803 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:26,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 04:50:27,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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)] Forceful destruction successful, exit code 0 [2024-11-09 04:50:27,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 04:50:27,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:50:27,408 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:50:27,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:50:27,409 INFO L85 PathProgramCache]: Analyzing trace with hash 294709480, now seen corresponding path program 1 times [2024-11-09 04:50:27,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:50:27,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290724385] [2024-11-09 04:50:27,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:27,410 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 04:50:27,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:50:27,413 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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 04:50:27,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f09ede7-b4b4-45f9-8c80-9db133c99c27/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 (7)] Waiting until timeout for monitored process [2024-11-09 04:50:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:27,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 04:50:27,611 INFO L278 TraceCheckSpWp]: Computing forward predicates...