./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.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_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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_97383264-5f0f-4c97-8f14-938939054326/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 f8764d0703f262f882fea925b2e1c51288e3d3f7182d2157f47a63a3f8cbf94f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:50:40,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:50:41,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:50:41,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:50:41,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:50:41,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:50:41,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:50:41,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:50:41,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:50:41,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:50:41,133 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:50:41,134 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:50:41,134 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:50:41,135 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:50:41,135 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:50:41,136 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:50:41,136 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:50:41,137 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:50:41,138 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:50:41,138 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:50:41,139 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:50:41,140 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:50:41,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:50:41,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:50:41,141 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:50:41,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:50:41,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:50:41,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:50:41,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:50:41,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:50:41,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:50:41,145 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:50:41,145 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:50:41,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:50:41,146 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:50:41,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:50:41,151 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:50:41,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:50:41,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:50:41,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:50:41,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:50:41,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:50:41,157 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:50:41,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:50:41,158 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:50:41,158 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:50:41,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:50:41,158 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_97383264-5f0f-4c97-8f14-938939054326/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8764d0703f262f882fea925b2e1c51288e3d3f7182d2157f47a63a3f8cbf94f [2024-11-09 06:50:41,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:50:41,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:50:41,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:50:41,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:50:41,623 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:50:41,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i Unable to find full path for "g++" [2024-11-09 06:50:44,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:50:44,576 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:50:44,577 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i [2024-11-09 06:50:44,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/data/35a7de8cd/25ab38fa8d244e39a8a6de1962644755/FLAGec75f123b [2024-11-09 06:50:44,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/data/35a7de8cd/25ab38fa8d244e39a8a6de1962644755 [2024-11-09 06:50:44,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:50:44,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:50:44,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:50:44,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:50:44,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:50:44,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:50:44" (1/1) ... [2024-11-09 06:50:44,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f13ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:44, skipping insertion in model container [2024-11-09 06:50:44,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:50:44" (1/1) ... [2024-11-09 06:50:44,681 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:50:44,927 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_97383264-5f0f-4c97-8f14-938939054326/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i[919,932] [2024-11-09 06:50:45,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:50:45,080 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:50:45,097 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_97383264-5f0f-4c97-8f14-938939054326/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i[919,932] [2024-11-09 06:50:45,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:50:45,217 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:50:45,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:45 WrapperNode [2024-11-09 06:50:45,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:50:45,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:50:45,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:50:45,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:50:45,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:45" (1/1) ... [2024-11-09 06:50:45,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:45" (1/1) ... [2024-11-09 06:50:45,365 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2024-11-09 06:50:45,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:50:45,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:50:45,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:50:45,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:50:45,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:45" (1/1) ... [2024-11-09 06:50:45,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:45" (1/1) ... [2024-11-09 06:50:45,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:45" (1/1) ... [2024-11-09 06:50:45,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:45" (1/1) ... [2024-11-09 06:50:45,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:45" (1/1) ... [2024-11-09 06:50:45,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:45" (1/1) ... [2024-11-09 06:50:45,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:45" (1/1) ... [2024-11-09 06:50:45,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:45" (1/1) ... [2024-11-09 06:50:45,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:50:45,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:50:45,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:50:45,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:50:45,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:45" (1/1) ... [2024-11-09 06:50:45,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:50:45,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:50:45,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:50:45,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:50:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:50:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:50:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:50:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:50:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:50:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:50:45,724 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:50:45,729 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:50:46,449 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-09 06:50:46,449 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:50:47,043 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:50:47,044 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:50:47,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:47 BoogieIcfgContainer [2024-11-09 06:50:47,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:50:47,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:50:47,050 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:50:47,055 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:50:47,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:50:44" (1/3) ... [2024-11-09 06:50:47,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e54890e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:50:47, skipping insertion in model container [2024-11-09 06:50:47,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:45" (2/3) ... [2024-11-09 06:50:47,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e54890e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:50:47, skipping insertion in model container [2024-11-09 06:50:47,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:47" (3/3) ... [2024-11-09 06:50:47,062 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i [2024-11-09 06:50:47,089 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:50:47,089 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:50:47,192 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:50:47,203 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;@26a0eda4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:50:47,204 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:50:47,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:50:47,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 06:50:47,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:50:47,230 INFO L215 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:50:47,231 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:50:47,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:47,241 INFO L85 PathProgramCache]: Analyzing trace with hash 618758043, now seen corresponding path program 1 times [2024-11-09 06:50:47,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:50:47,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828934422] [2024-11-09 06:50:47,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:47,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:50:48,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [838565727] [2024-11-09 06:50:48,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:48,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:50:48,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:50:48,163 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:50:48,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:50:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:50:48,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:50:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:50:49,068 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:50:49,072 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:50:49,073 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:50:49,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:50:49,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:50:49,284 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:50:49,457 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:50:49,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:50:49 BoogieIcfgContainer [2024-11-09 06:50:49,463 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:50:49,465 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:50:49,465 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:50:49,466 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:50:49,466 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:47" (3/4) ... [2024-11-09 06:50:49,470 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:50:49,472 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:50:49,474 INFO L158 Benchmark]: Toolchain (without parser) took 4852.61ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 114.8MB in the beginning and 120.3MB in the end (delta: -5.6MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2024-11-09 06:50:49,475 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 148.9MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:50:49,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.24ms. Allocated memory is still 148.9MB. Free memory was 114.8MB in the beginning and 96.9MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 06:50:49,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.24ms. Allocated memory is still 148.9MB. Free memory was 96.9MB in the beginning and 91.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:50:49,479 INFO L158 Benchmark]: Boogie Preprocessor took 88.57ms. Allocated memory is still 148.9MB. Free memory was 91.7MB in the beginning and 89.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:50:49,480 INFO L158 Benchmark]: RCFGBuilder took 1587.79ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 89.7MB in the beginning and 123.8MB in the end (delta: -34.1MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2024-11-09 06:50:49,482 INFO L158 Benchmark]: TraceAbstraction took 2414.73ms. Allocated memory is still 195.0MB. Free memory was 123.8MB in the beginning and 121.4MB in the end (delta: 2.4MB). Peak memory consumption was 313.9kB. Max. memory is 16.1GB. [2024-11-09 06:50:49,483 INFO L158 Benchmark]: Witness Printer took 7.40ms. Allocated memory is still 195.0MB. Free memory was 121.4MB in the beginning and 120.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:50:49,491 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 148.9MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.24ms. Allocated memory is still 148.9MB. Free memory was 114.8MB in the beginning and 96.9MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.24ms. Allocated memory is still 148.9MB. Free memory was 96.9MB in the beginning and 91.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.57ms. Allocated memory is still 148.9MB. Free memory was 91.7MB in the beginning and 89.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1587.79ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 89.7MB in the beginning and 123.8MB in the end (delta: -34.1MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2414.73ms. Allocated memory is still 195.0MB. Free memory was 123.8MB in the beginning and 121.4MB in the end (delta: 2.4MB). Peak memory consumption was 313.9kB. Max. memory is 16.1GB. * Witness Printer took 7.40ms. Allocated memory is still 195.0MB. Free memory was 121.4MB in the beginning and 120.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of bitwiseOr at line 80, overapproximation of shiftLeft at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 117, overapproximation of someBinaryArithmeticFLOAToperation at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 128; [L25] unsigned char var_1_4 = 2; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 32; [L28] unsigned short int var_1_8 = 100; [L29] float var_1_9 = 255.75; [L30] signed char var_1_10 = 64; [L31] signed char var_1_11 = 32; [L32] signed char var_1_12 = 4; [L33] float var_1_13 = 0.0; [L34] float var_1_14 = 7.25; [L35] float var_1_15 = 8.125; [L36] float var_1_16 = 24.5; [L37] signed short int var_1_17 = -256; [L38] double var_1_18 = 31.5; [L39] float var_1_19 = 255.2; [L40] signed long int var_1_21 = -8; [L41] double var_1_22 = 0.5; [L42] unsigned short int var_1_23 = 200; [L43] double var_1_26 = 1.8; [L44] unsigned short int var_1_29 = 8; [L45] unsigned char var_1_37 = 1; [L46] unsigned char var_1_39 = 0; [L47] unsigned char var_1_40 = 0; [L48] unsigned long int var_1_41 = 10; [L49] unsigned char last_1_var_1_6 = 32; [L50] unsigned short int last_1_var_1_8 = 100; [L172] isInitial = 1 [L173] FCALL initially() [L174] COND TRUE 1 [L175] CALL updateLastVariables() [L164] last_1_var_1_6 = var_1_6 [L165] last_1_var_1_8 = var_1_8 [L175] RET updateLastVariables() [L176] CALL updateVariables() [L129] var_1_2 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_37=1, var_1_39=0, var_1_3=128, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_37=1, var_1_39=0, var_1_3=128, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L131] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=128, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=128, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L132] var_1_3 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_3 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_3 >= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L134] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L135] var_1_4 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L137] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L138] var_1_5 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L140] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L141] var_1_10 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L143] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L144] var_1_11 = __VERIFIER_nondet_char() [L145] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L146] CALL assume_abort_if_not(var_1_11 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_11 <= 64) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L147] var_1_12 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L149] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L150] var_1_13 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && 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_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && 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_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L152] var_1_14 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L154] var_1_16 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L156] var_1_39 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L158] CALL assume_abort_if_not(var_1_39 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_39 <= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L159] var_1_40 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L161] CALL assume_abort_if_not(var_1_40 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_40 <= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=1, var_1_37=1, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=10, var_1_4=256, var_1_5=524, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L176] RET updateVariables() [L177] CALL step() [L54] signed long int stepLocal_0 = 64 + (var_1_5 / var_1_3); [L55] COND TRUE stepLocal_0 != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6)) [L56] var_1_6 = var_1_4 [L60] var_1_19 = var_1_13 [L61] COND TRUE \read(var_1_2) [L62] var_1_1 = (var_1_3 - var_1_4) [L66] COND TRUE var_1_2 || (var_1_5 <= (var_1_3 / var_1_3)) [L67] var_1_37 = (var_1_39 || var_1_40) [L69] COND TRUE (var_1_4 + ((((var_1_4) < (var_1_10)) ? (var_1_4) : (var_1_10)))) <= var_1_11 [L70] COND TRUE \read(var_1_2) [L71] var_1_41 = var_1_10 [L74] COND TRUE ((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5 [L75] var_1_9 = (64.8f - (var_1_13 - var_1_14)) [L79] COND TRUE var_1_2 || (var_1_16 <= var_1_13) [L80] EXPR var_1_3 | (var_1_5 * var_1_5) [L80] COND FALSE !((var_1_3 | (var_1_5 * var_1_5)) == ((((var_1_5) < (-32)) ? (var_1_5) : (-32)))) [L83] var_1_29 = (((((((var_1_1) < (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))) ? (var_1_1) : (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) < 0 ) ? -((((var_1_1) < (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))) ? (var_1_1) : (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : ((((var_1_1) < (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))) ? (var_1_1) : (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))))) [L88] var_1_15 = (var_1_14 + var_1_16) [L89] COND TRUE \read(var_1_2) [L90] var_1_17 = (var_1_3 + var_1_12) [L98] COND TRUE \read(var_1_2) [L99] COND TRUE var_1_16 > (var_1_16 / ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))) [L100] var_1_23 = 100 [L105] COND FALSE !((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) [L110] var_1_18 = var_1_16 [L112] var_1_21 = -16 [L113] COND FALSE !(var_1_11 > var_1_3) [L116] COND TRUE (var_1_2 || var_1_2) || ((- var_1_16) <= var_1_14) [L117] var_1_26 = ((((9.99999999739E8) < (var_1_16)) ? (9.99999999739E8) : (var_1_16))) [L120] signed long int stepLocal_1 = var_1_3 - var_1_5; [L121] COND TRUE (var_1_17 + var_1_6) >= stepLocal_1 [L122] var_1_8 = ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))) [L126] var_1_22 = var_1_13 [L177] RET step() [L178] CALL, EXPR property() [L168] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) [L168] EXPR ((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16)) [L168] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) [L168-L169] return ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) ; [L178] RET, EXPR property() [L178] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_13=3, var_1_16=2, var_1_17=144, var_1_18=2, var_1_19=3, var_1_1=144, var_1_21=-16, var_1_22=3, var_1_23=100, var_1_26=999999999739/1000, var_1_29=12, var_1_2=1, var_1_37=0, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=127, var_1_4=256, var_1_5=524, var_1_6=256, var_1_8=144, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=64, var_1_12=0, var_1_13=3, var_1_16=2, var_1_17=144, var_1_18=2, var_1_19=3, var_1_1=144, var_1_21=-16, var_1_22=3, var_1_23=100, var_1_26=999999999739/1000, var_1_29=12, var_1_2=1, var_1_37=0, var_1_39=0, var_1_3=-112, var_1_40=0, var_1_41=127, var_1_4=256, var_1_5=524, var_1_6=256, var_1_8=144, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:50:49,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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_97383264-5f0f-4c97-8f14-938939054326/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 f8764d0703f262f882fea925b2e1c51288e3d3f7182d2157f47a63a3f8cbf94f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:50:52,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:50:53,046 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:50:53,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:50:53,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:50:53,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:50:53,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:50:53,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:50:53,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:50:53,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:50:53,122 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:50:53,123 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:50:53,124 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:50:53,124 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:50:53,125 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:50:53,126 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:50:53,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:50:53,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:50:53,131 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:50:53,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:50:53,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:50:53,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:50:53,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:50:53,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:50:53,135 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:50:53,136 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:50:53,136 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:50:53,139 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:50:53,140 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:50:53,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:50:53,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:50:53,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:50:53,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:50:53,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:50:53,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:50:53,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:50:53,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:50:53,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:50:53,145 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:50:53,145 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:50:53,145 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:50:53,148 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:50:53,149 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:50:53,151 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_97383264-5f0f-4c97-8f14-938939054326/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8764d0703f262f882fea925b2e1c51288e3d3f7182d2157f47a63a3f8cbf94f [2024-11-09 06:50:53,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:50:53,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:50:53,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:50:53,735 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:50:53,736 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:50:53,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i Unable to find full path for "g++" [2024-11-09 06:50:56,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:50:56,739 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:50:56,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i [2024-11-09 06:50:56,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/data/a5373b8f6/a10eeaf56a814a0d8fcf6b071ad0d09a/FLAGa20fcfa5e [2024-11-09 06:50:56,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/data/a5373b8f6/a10eeaf56a814a0d8fcf6b071ad0d09a [2024-11-09 06:50:56,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:50:56,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:50:56,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:50:56,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:50:57,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:50:57,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:50:56" (1/1) ... [2024-11-09 06:50:57,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7381c365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:57, skipping insertion in model container [2024-11-09 06:50:57,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:50:56" (1/1) ... [2024-11-09 06:50:57,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:50:57,328 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_97383264-5f0f-4c97-8f14-938939054326/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i[919,932] [2024-11-09 06:50:57,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:50:57,511 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:50:57,535 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_97383264-5f0f-4c97-8f14-938939054326/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i[919,932] [2024-11-09 06:50:57,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:50:57,662 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:50:57,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:57 WrapperNode [2024-11-09 06:50:57,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:50:57,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:50:57,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:50:57,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:50:57,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:57" (1/1) ... [2024-11-09 06:50:57,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:57" (1/1) ... [2024-11-09 06:50:57,751 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2024-11-09 06:50:57,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:50:57,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:50:57,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:50:57,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:50:57,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:57" (1/1) ... [2024-11-09 06:50:57,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:57" (1/1) ... [2024-11-09 06:50:57,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:57" (1/1) ... [2024-11-09 06:50:57,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:57" (1/1) ... [2024-11-09 06:50:57,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:57" (1/1) ... [2024-11-09 06:50:57,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:57" (1/1) ... [2024-11-09 06:50:57,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:57" (1/1) ... [2024-11-09 06:50:57,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:57" (1/1) ... [2024-11-09 06:50:57,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:50:57,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:50:57,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:50:57,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:50:57,844 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:57" (1/1) ... [2024-11-09 06:50:57,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:50:57,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:50:57,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:50:57,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:50:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:50:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:50:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:50:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:50:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:50:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:50:58,108 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:50:58,112 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:51:04,847 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 06:51:04,848 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:51:04,864 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:51:04,865 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:51:04,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:51:04 BoogieIcfgContainer [2024-11-09 06:51:04,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:51:04,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:51:04,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:51:04,873 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:51:04,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:50:56" (1/3) ... [2024-11-09 06:51:04,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f372f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:51:04, skipping insertion in model container [2024-11-09 06:51:04,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:57" (2/3) ... [2024-11-09 06:51:04,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f372f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:51:04, skipping insertion in model container [2024-11-09 06:51:04,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:51:04" (3/3) ... [2024-11-09 06:51:04,878 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i [2024-11-09 06:51:04,903 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:51:04,904 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:51:05,000 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:51:05,007 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;@3ac15181, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:51:05,007 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:51:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 50 states have (on average 1.44) internal successors, (72), 51 states have internal predecessors, (72), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:51:05,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-09 06:51:05,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:51:05,032 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:51:05,033 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:51:05,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:05,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1951544855, now seen corresponding path program 1 times [2024-11-09 06:51:05,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:51:05,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [39542400] [2024-11-09 06:51:05,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:05,055 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:51:05,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:51:05,057 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:51:05,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 06:51:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:05,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:51:05,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:51:05,900 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-09 06:51:05,900 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:51:05,902 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:51:05,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [39542400] [2024-11-09 06:51:05,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [39542400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:05,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:05,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:51:05,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992956698] [2024-11-09 06:51:05,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:05,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:51:05,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:51:05,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:51:05,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:51:05,953 INFO L87 Difference]: Start difference. First operand has 74 states, 50 states have (on average 1.44) internal successors, (72), 51 states have internal predecessors, (72), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 06:51:05,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:51:05,998 INFO L93 Difference]: Finished difference Result 141 states and 243 transitions. [2024-11-09 06:51:06,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:51:06,003 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 142 [2024-11-09 06:51:06,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:51:06,016 INFO L225 Difference]: With dead ends: 141 [2024-11-09 06:51:06,016 INFO L226 Difference]: Without dead ends: 70 [2024-11-09 06:51:06,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:51:06,032 INFO L432 NwaCegarLoop]: 106 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, 106 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:51:06,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:51:06,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-09 06:51:06,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-09 06:51:06,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 47 states have internal predecessors, (64), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:51:06,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 106 transitions. [2024-11-09 06:51:06,118 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 106 transitions. Word has length 142 [2024-11-09 06:51:06,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:51:06,121 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 106 transitions. [2024-11-09 06:51:06,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 06:51:06,122 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2024-11-09 06:51:06,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-09 06:51:06,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:51:06,132 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:51:06,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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 06:51:06,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:51:06,334 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:51:06,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:06,335 INFO L85 PathProgramCache]: Analyzing trace with hash -2033956079, now seen corresponding path program 1 times [2024-11-09 06:51:06,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:51:06,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179650216] [2024-11-09 06:51:06,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:06,337 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:51:06,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:51:06,342 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:51:06,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 06:51:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:07,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 06:51:07,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:51:07,144 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 06:51:07,144 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:51:07,145 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:51:07,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179650216] [2024-11-09 06:51:07,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179650216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:07,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:07,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:51:07,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353326451] [2024-11-09 06:51:07,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:07,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:51:07,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:51:07,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:51:07,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:51:07,158 INFO L87 Difference]: Start difference. First operand 70 states and 106 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 06:51:10,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:12,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:12,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:51:12,018 INFO L93 Difference]: Finished difference Result 162 states and 246 transitions. [2024-11-09 06:51:12,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:51:12,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 142 [2024-11-09 06:51:12,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:51:12,065 INFO L225 Difference]: With dead ends: 162 [2024-11-09 06:51:12,067 INFO L226 Difference]: Without dead ends: 95 [2024-11-09 06:51:12,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:51:12,070 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 33 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:51:12,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 186 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 23 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2024-11-09 06:51:12,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-09 06:51:12,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 79. [2024-11-09 06:51:12,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 56 states have (on average 1.375) internal successors, (77), 56 states have internal predecessors, (77), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:51:12,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 119 transitions. [2024-11-09 06:51:12,089 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 119 transitions. Word has length 142 [2024-11-09 06:51:12,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:51:12,091 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 119 transitions. [2024-11-09 06:51:12,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 06:51:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 119 transitions. [2024-11-09 06:51:12,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 06:51:12,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:51:12,096 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:51:12,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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 06:51:12,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:51:12,297 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:51:12,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:12,298 INFO L85 PathProgramCache]: Analyzing trace with hash -697451043, now seen corresponding path program 1 times [2024-11-09 06:51:12,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:51:12,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412485896] [2024-11-09 06:51:12,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:12,300 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:51:12,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:51:12,304 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:51:12,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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 06:51:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:13,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 06:51:13,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:51:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 06:51:13,160 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:51:13,161 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:51:13,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412485896] [2024-11-09 06:51:13,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412485896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:13,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:13,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:51:13,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086268001] [2024-11-09 06:51:13,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:13,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:51:13,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:51:13,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:51:13,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:51:13,165 INFO L87 Difference]: Start difference. First operand 79 states and 119 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 06:51:16,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:18,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:18,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:51:18,134 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2024-11-09 06:51:18,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:51:18,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 143 [2024-11-09 06:51:18,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:51:18,138 INFO L225 Difference]: With dead ends: 171 [2024-11-09 06:51:18,138 INFO L226 Difference]: Without dead ends: 95 [2024-11-09 06:51:18,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:51:18,141 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 29 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:51:18,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 201 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2024-11-09 06:51:18,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-09 06:51:18,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 84. [2024-11-09 06:51:18,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 61 states have internal predecessors, (80), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:51:18,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 122 transitions. [2024-11-09 06:51:18,157 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 122 transitions. Word has length 143 [2024-11-09 06:51:18,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:51:18,159 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 122 transitions. [2024-11-09 06:51:18,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 06:51:18,160 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 122 transitions. [2024-11-09 06:51:18,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 06:51:18,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:51:18,164 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:51:18,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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 06:51:18,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:51:18,365 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:51:18,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:18,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1908572511, now seen corresponding path program 1 times [2024-11-09 06:51:18,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:51:18,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580791290] [2024-11-09 06:51:18,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:18,368 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:51:18,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:51:18,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:51:18,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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 (5)] Waiting until timeout for monitored process [2024-11-09 06:51:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:18,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 06:51:18,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:51:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 497 proven. 102 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-11-09 06:51:22,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:51:24,058 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:51:24,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1580791290] [2024-11-09 06:51:24,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1580791290] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:51:24,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2064574144] [2024-11-09 06:51:24,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:24,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:51:24,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:51:24,065 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:51:24,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 06:51:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:25,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:51:25,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:51:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-09 06:51:26,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:51:28,214 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-09 06:51:28,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2064574144] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:51:28,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280870909] [2024-11-09 06:51:28,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:28,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:51:28,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:51:28,219 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:51:28,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 06:51:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:28,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:51:28,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:51:29,809 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-09 06:51:29,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:51:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-09 06:51:30,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280870909] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:51:30,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2024-11-09 06:51:30,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5, 5, 5] total 13 [2024-11-09 06:51:30,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972916045] [2024-11-09 06:51:30,775 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2024-11-09 06:51:30,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 06:51:30,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:51:30,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 06:51:30,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2024-11-09 06:51:30,780 INFO L87 Difference]: Start difference. First operand 84 states and 122 transitions. Second operand has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 4 states have call successors, (49), 4 states have call predecessors, (49), 7 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) [2024-11-09 06:51:34,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:36,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:38,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:40,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:42,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:44,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:46,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:47,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:51:47,254 INFO L93 Difference]: Finished difference Result 181 states and 254 transitions. [2024-11-09 06:51:47,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 06:51:47,295 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 4 states have call successors, (49), 4 states have call predecessors, (49), 7 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) Word has length 143 [2024-11-09 06:51:47,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:51:47,298 INFO L225 Difference]: With dead ends: 181 [2024-11-09 06:51:47,298 INFO L226 Difference]: Without dead ends: 100 [2024-11-09 06:51:47,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 793 GetRequests, 771 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=177, Invalid=285, Unknown=0, NotChecked=0, Total=462 [2024-11-09 06:51:47,302 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 40 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 13 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:51:47,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 195 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 261 Invalid, 6 Unknown, 0 Unchecked, 16.2s Time] [2024-11-09 06:51:47,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-09 06:51:47,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2024-11-09 06:51:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 70 states have internal predecessors, (87), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:51:47,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 129 transitions. [2024-11-09 06:51:47,321 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 129 transitions. Word has length 143 [2024-11-09 06:51:47,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:51:47,322 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 129 transitions. [2024-11-09 06:51:47,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 4 states have call successors, (49), 4 states have call predecessors, (49), 7 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) [2024-11-09 06:51:47,323 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 129 transitions. [2024-11-09 06:51:47,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-09 06:51:47,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:51:47,327 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:51:47,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 06:51:47,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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 (5)] Forceful destruction successful, exit code 0 [2024-11-09 06:51:47,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 06:51:47,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:51:47,930 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:51:47,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:47,930 INFO L85 PathProgramCache]: Analyzing trace with hash 2041640935, now seen corresponding path program 1 times [2024-11-09 06:51:47,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:51:47,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1804723763] [2024-11-09 06:51:47,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:47,932 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:51:47,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:51:47,936 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:51:47,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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 (8)] Waiting until timeout for monitored process [2024-11-09 06:51:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:48,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 06:51:48,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:51:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 166 proven. 272 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-09 06:51:54,959 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:51:56,441 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:51:56,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1804723763] [2024-11-09 06:51:56,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1804723763] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:51:56,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1950167225] [2024-11-09 06:51:56,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:56,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:51:56,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:51:56,443 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:51:56,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 06:51:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:58,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 06:51:58,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:52:10,503 WARN L851 $PredicateComparison]: unable to prove that (and (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 499.0 5.0)))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1278.0 5.0))) (.cse0 (fp.lt .cse3 c_~var_1_16~0))) (or (and (not .cse0) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.geq ~var_1_13~0 .cse1))) (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode c_~var_1_16~0 .cse2))) (and (or (and (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.gt .cse2 ~var_1_13~0) (fp.geq ~var_1_13~0 .cse1))) (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode .cse3 .cse2))) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode .cse3 ~var_1_13~0)) (not (fp.gt .cse2 ~var_1_13~0)) (not (fp.leq c_~var_1_16~0 ~var_1_13~0))))) .cse0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-09 06:52:55,746 WARN L286 SmtUtils]: Spent 7.08s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:53:06,263 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 410 proven. 27 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2024-11-09 06:53:06,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:53:14,117 WARN L873 $PredicateComparison]: unable to prove that (or (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1278.0 5.0)))) (let ((.cse1 (fp.gt .cse2 c_~var_1_13~0)) (.cse0 (fp.neg c_~var_1_16~0))) (and (or (forall ((~var_1_14~0 (_ FloatingPoint 8 24))) (or (fp.leq .cse0 ~var_1_14~0) (not (fp.eq ~var_1_14~0 (fp.div c_currentRoundingMode c_~var_1_16~0 c_~var_1_13~0))))) .cse1) (or (not .cse1) (forall ((~var_1_14~0 (_ FloatingPoint 8 24))) (or (fp.leq .cse0 ~var_1_14~0) (not (fp.eq ~var_1_14~0 (fp.div c_currentRoundingMode c_~var_1_16~0 .cse2))))))))) (fp.lt ((_ to_fp 8 24) c_currentRoundingMode (/ 499.0 5.0)) c_~var_1_16~0)) is different from true [2024-11-09 06:53:54,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1950167225] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:54,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980396185] [2024-11-09 06:53:54,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:54,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:54,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:53:54,932 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:53:54,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 06:53:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:55,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 06:53:55,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:54:12,942 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_14~0 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (fp.geq c_~var_1_14~0 .cse0) (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 499.0 5.0)))) (let ((.cse1 (fp.lt .cse3 c_~var_1_16~0)) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1278.0 5.0)))) (or (and (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_13~0 .cse0) (not (fp.leq c_~var_1_16~0 ~var_1_13~0)))) (not .cse1) (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven c_~var_1_16~0 .cse2))) (and .cse1 (or (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.gt .cse2 ~var_1_13~0)) (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven .cse3 ~var_1_13~0)) (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.leq ~var_1_13~0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)))) (and (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven .cse3 .cse2)) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.gt .cse2 ~var_1_13~0) (fp.geq ~var_1_13~0 .cse0) (not (fp.leq c_~var_1_16~0 ~var_1_13~0)))))))))))) is different from false [2024-11-09 06:54:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 392 proven. 30 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2024-11-09 06:54:41,249 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:56:08,565 WARN L286 SmtUtils]: Spent 18.04s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:57:09,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980396185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:57:09,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:57:09,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 10] total 18 [2024-11-09 06:57:09,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727235492] [2024-11-09 06:57:09,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:57:09,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 06:57:09,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:57:09,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 06:57:09,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=376, Unknown=22, NotChecked=132, Total=650 [2024-11-09 06:57:09,020 INFO L87 Difference]: Start difference. First operand 96 states and 129 transitions. Second operand has 19 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 18 states have internal predecessors, (100), 5 states have call successors, (30), 5 states have call predecessors, (30), 8 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2024-11-09 06:57:14,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:57:19,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:57:23,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:57:27,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:57:30,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:57:34,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:57:38,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:57:40,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:57:54,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:57:56,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:57:59,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:03,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:07,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:15,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:18,605 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_13~0 .cse4) (not (fp.leq c_~var_1_16~0 ~var_1_13~0))))) (.cse6 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse5 (fp.leq c_~var_1_16~0 .cse2))) (and .cse0 (fp.leq c_~var_1_14~0 .cse1) (fp.leq c_~var_1_14~0 .cse2) (fp.geq c_~var_1_14~0 .cse3) (fp.geq c_~var_1_13~0 .cse4) (fp.leq c_~var_1_16~0 .cse1) (fp.geq c_~var_1_13~0 .cse3) (or (and (fp.geq c_~var_1_16~0 .cse4) .cse5) (and (fp.leq c_~var_1_16~0 (fp.neg .cse4)) (fp.geq c_~var_1_16~0 (fp.neg .cse2)))) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (not (fp.leq c_~var_1_16~0 c_~var_1_13~0)) (fp.leq c_~var_1_13~0 .cse6) (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 499.0 5.0)))) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1278.0 5.0))) (.cse7 (fp.lt .cse9 c_~var_1_16~0))) (or (and (not .cse7) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.geq ~var_1_13~0 .cse3))) (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode c_~var_1_16~0 .cse8))) (and (or (and (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.gt .cse8 ~var_1_13~0) (fp.geq ~var_1_13~0 .cse3))) (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode .cse9 .cse8))) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode .cse9 ~var_1_13~0)) (not (fp.gt .cse8 ~var_1_13~0)) (not (fp.leq c_~var_1_16~0 ~var_1_13~0))))) .cse7)))) (fp.geq c_~var_1_14~0 .cse4) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse12 ((_ to_fp 8 24) roundNearestTiesToEven (/ 499.0 5.0)))) (let ((.cse10 (fp.lt .cse12 c_~var_1_16~0)) (.cse11 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1278.0 5.0)))) (or (and .cse0 (not .cse10) (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven c_~var_1_16~0 .cse11))) (and .cse10 (or (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.gt .cse11 ~var_1_13~0)) (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven .cse12 ~var_1_13~0)) (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.leq ~var_1_13~0 .cse6))) (and (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven .cse12 .cse11)) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.gt .cse11 ~var_1_13~0) (fp.geq ~var_1_13~0 .cse4) (not (fp.leq c_~var_1_16~0 ~var_1_13~0)))))))))) .cse5))) is different from false [2024-11-09 06:58:20,657 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_13~0 .cse4) (not (fp.leq c_~var_1_16~0 ~var_1_13~0))))) (.cse6 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse5 (fp.leq c_~var_1_16~0 .cse2))) (and .cse0 (fp.leq c_~var_1_14~0 .cse1) (fp.leq c_~var_1_14~0 .cse2) (fp.geq c_~var_1_14~0 .cse3) (fp.geq c_~var_1_13~0 .cse4) (fp.leq c_~var_1_16~0 .cse1) (fp.geq c_~var_1_13~0 .cse3) (or (and (fp.geq c_~var_1_16~0 .cse4) .cse5) (and (fp.leq c_~var_1_16~0 (fp.neg .cse4)) (fp.geq c_~var_1_16~0 (fp.neg .cse2)))) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (not (fp.leq c_~var_1_16~0 c_~var_1_13~0)) (fp.leq c_~var_1_13~0 .cse6) (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 499.0 5.0)))) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1278.0 5.0))) (.cse7 (fp.lt .cse9 c_~var_1_16~0))) (or (and (not .cse7) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.geq ~var_1_13~0 .cse3))) (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode c_~var_1_16~0 .cse8))) (and (or (and (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.gt .cse8 ~var_1_13~0) (fp.geq ~var_1_13~0 .cse3))) (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode .cse9 .cse8))) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode .cse9 ~var_1_13~0)) (not (fp.gt .cse8 ~var_1_13~0)) (not (fp.leq c_~var_1_16~0 ~var_1_13~0))))) .cse7)))) (fp.geq c_~var_1_14~0 .cse4) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse12 ((_ to_fp 8 24) roundNearestTiesToEven (/ 499.0 5.0)))) (let ((.cse10 (fp.lt .cse12 c_~var_1_16~0)) (.cse11 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1278.0 5.0)))) (or (and .cse0 (not .cse10) (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven c_~var_1_16~0 .cse11))) (and .cse10 (or (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.gt .cse11 ~var_1_13~0)) (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven .cse12 ~var_1_13~0)) (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.leq ~var_1_13~0 .cse6))) (and (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven .cse12 .cse11)) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.gt .cse11 ~var_1_13~0) (fp.geq ~var_1_13~0 .cse4) (not (fp.leq c_~var_1_16~0 ~var_1_13~0)))))))))) .cse5))) is different from true [2024-11-09 06:58:21,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:23,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:26,107 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse0 (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_13~0 .cse6) (not (fp.leq c_~var_1_16~0 ~var_1_13~0))))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0))) (and .cse0 (fp.leq c_~var_1_14~0 .cse1) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 499.0 5.0)))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1278.0 5.0))) (.cse2 (fp.lt .cse5 c_~var_1_16~0))) (or (and (not .cse2) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.geq ~var_1_13~0 .cse3))) (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode c_~var_1_16~0 .cse4))) (and (or (and (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.gt .cse4 ~var_1_13~0) (fp.geq ~var_1_13~0 .cse3))) (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode .cse5 .cse4))) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode .cse5 ~var_1_13~0)) (not (fp.gt .cse4 ~var_1_13~0)) (not (fp.leq c_~var_1_16~0 ~var_1_13~0))))) .cse2)))) (fp.geq c_~var_1_14~0 .cse6) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse9 ((_ to_fp 8 24) roundNearestTiesToEven (/ 499.0 5.0)))) (let ((.cse7 (fp.lt .cse9 c_~var_1_16~0)) (.cse8 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1278.0 5.0)))) (or (and .cse0 (not .cse7) (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven c_~var_1_16~0 .cse8))) (and .cse7 (or (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.gt .cse8 ~var_1_13~0)) (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven .cse9 ~var_1_13~0)) (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.leq ~var_1_13~0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)))) (and (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven .cse9 .cse8)) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.gt .cse8 ~var_1_13~0) (fp.geq ~var_1_13~0 .cse6) (not (fp.leq c_~var_1_16~0 ~var_1_13~0)))))))))) (fp.leq c_~var_1_16~0 .cse1)))) is different from false [2024-11-09 06:58:28,156 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse0 (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_13~0 .cse6) (not (fp.leq c_~var_1_16~0 ~var_1_13~0))))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0))) (and .cse0 (fp.leq c_~var_1_14~0 .cse1) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 499.0 5.0)))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1278.0 5.0))) (.cse2 (fp.lt .cse5 c_~var_1_16~0))) (or (and (not .cse2) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.geq ~var_1_13~0 .cse3))) (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode c_~var_1_16~0 .cse4))) (and (or (and (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.gt .cse4 ~var_1_13~0) (fp.geq ~var_1_13~0 .cse3))) (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode .cse5 .cse4))) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode .cse5 ~var_1_13~0)) (not (fp.gt .cse4 ~var_1_13~0)) (not (fp.leq c_~var_1_16~0 ~var_1_13~0))))) .cse2)))) (fp.geq c_~var_1_14~0 .cse6) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse9 ((_ to_fp 8 24) roundNearestTiesToEven (/ 499.0 5.0)))) (let ((.cse7 (fp.lt .cse9 c_~var_1_16~0)) (.cse8 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1278.0 5.0)))) (or (and .cse0 (not .cse7) (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven c_~var_1_16~0 .cse8))) (and .cse7 (or (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.gt .cse8 ~var_1_13~0)) (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven .cse9 ~var_1_13~0)) (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.leq ~var_1_13~0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)))) (and (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven .cse9 .cse8)) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.gt .cse8 ~var_1_13~0) (fp.geq ~var_1_13~0 .cse6) (not (fp.leq c_~var_1_16~0 ~var_1_13~0)))))))))) (fp.leq c_~var_1_16~0 .cse1)))) is different from true [2024-11-09 06:58:30,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:32,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:33,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:34,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:37,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:39,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:40,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:42,602 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 499.0 5.0))) (.cse7 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse0 (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_13~0 .cse7) (not (fp.leq c_~var_1_16~0 ~var_1_13~0))))) (.cse5 (fp.lt .cse3 c_~var_1_16~0)) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1278.0 5.0)))) (let ((.cse6 (and .cse0 (not .cse5) (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven c_~var_1_16~0 .cse2)))) (.cse4 (and (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven .cse3 .cse2)) (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (fp.gt .cse2 ~var_1_13~0) (fp.geq ~var_1_13~0 .cse7) (not (fp.leq c_~var_1_16~0 ~var_1_13~0)))))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0))) (and .cse0 (fp.leq c_~var_1_14~0 .cse1) (or (and (or (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.gt .cse2 ~var_1_13~0)) (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven .cse3 ~var_1_13~0)) (not (fp.leq c_~var_1_16~0 ~var_1_13~0)))) .cse4) .cse5) .cse6) (fp.geq c_~var_1_14~0 .cse7) (or .cse6 (and .cse5 (or (exists ((~var_1_13~0 (_ FloatingPoint 8 24))) (and (not (fp.gt .cse2 ~var_1_13~0)) (fp.eq c_~var_1_14~0 (fp.div roundNearestTiesToEven .cse3 ~var_1_13~0)) (not (fp.leq c_~var_1_16~0 ~var_1_13~0)) (fp.leq ~var_1_13~0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)))) .cse4))) (fp.leq c_~var_1_16~0 .cse1))))) is different from false [2024-11-09 06:58:44,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:46,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:50,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:53,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:58:55,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:58:57,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:58:59,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:02,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:59:04,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:06,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:09,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:59:11,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:59:13,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:59:15,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:59:17,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:59:24,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:59:29,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:59:34,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:59:36,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:59:39,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:59:41,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:59:48,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:59:50,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:52,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:59:52,079 INFO L93 Difference]: Finished difference Result 415 states and 539 transitions. [2024-11-09 06:59:52,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-09 06:59:52,080 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 18 states have internal predecessors, (100), 5 states have call successors, (30), 5 states have call predecessors, (30), 8 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 144 [2024-11-09 06:59:52,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:59:52,085 INFO L225 Difference]: With dead ends: 415 [2024-11-09 06:59:52,085 INFO L226 Difference]: Without dead ends: 322 [2024-11-09 06:59:52,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 167.8s TimeCoverageRelationStatistics Valid=381, Invalid=1022, Unknown=27, NotChecked=462, Total=1892 [2024-11-09 06:59:52,086 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 322 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 289 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 134.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 593 IncrementalHoareTripleChecker+Unchecked, 137.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:59:52,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 1012 Invalid, 1765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 856 Invalid, 27 Unknown, 593 Unchecked, 137.2s Time] [2024-11-09 06:59:52,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-09 06:59:52,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 295. [2024-11-09 06:59:52,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 204 states have (on average 1.196078431372549) internal successors, (244), 206 states have internal predecessors, (244), 71 states have call successors, (71), 19 states have call predecessors, (71), 19 states have return successors, (71), 69 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-09 06:59:52,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 386 transitions. [2024-11-09 06:59:52,148 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 386 transitions. Word has length 144 [2024-11-09 06:59:52,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:59:52,149 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 386 transitions. [2024-11-09 06:59:52,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 18 states have internal predecessors, (100), 5 states have call successors, (30), 5 states have call predecessors, (30), 8 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2024-11-09 06:59:52,150 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 386 transitions. [2024-11-09 06:59:52,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-09 06:59:52,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:59:52,153 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:52,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 06:59:52,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 06:59:52,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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 (8)] Ended with exit code 0 [2024-11-09 06:59:52,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:59:52,755 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:59:52,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:52,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1443979735, now seen corresponding path program 1 times [2024-11-09 06:59:52,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:59:52,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269259194] [2024-11-09 06:59:52,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:52,757 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:59:52,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:59:52,770 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:59:52,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97383264-5f0f-4c97-8f14-938939054326/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 (11)] Waiting until timeout for monitored process [2024-11-09 06:59:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:53,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-09 06:59:53,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:00:54,664 WARN L286 SmtUtils]: Spent 11.27s on a formula simplification that was a NOOP. DAG size: 79 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:01:23,275 WARN L286 SmtUtils]: Spent 10.60s on a formula simplification that was a NOOP. DAG size: 79 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:02:09,141 WARN L286 SmtUtils]: Spent 18.84s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:04:37,487 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse3 ((_ sign_extend 24) c_~var_1_12~0)) (.cse5 ((_ sign_extend 24) c_~var_1_10~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse4 ((_ zero_extend 24) c_~var_1_5~0)) (.cse1 ((_ zero_extend 24) c_~var_1_3~0)) (.cse10 ((_ sign_extend 24) c_~var_1_11~0))) (and (= (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_16~0) c_~var_1_15~0) (fp.leq c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_~var_1_4~0 c_~var_1_6~0) (= c_~var_1_9~0 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 324.0 5.0)) (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (bvsle .cse0 (_ bv127 32)) (bvsge .cse1 (_ bv127 32)) (fp.geq c_~var_1_14~0 .cse2) (bvsle .cse3 (_ bv63 32)) (bvsle .cse4 (bvsdiv .cse1 .cse1)) (fp.geq c_~var_1_13~0 .cse2) (bvsge .cse5 (_ bv63 32)) (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 499.0 5.0)))) (let ((.cse6 (fp.lt .cse7 c_~var_1_16~0)) (.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1278.0 5.0)))) (or (and .cse6 (let ((.cse9 (fp.gt .cse8 c_~var_1_13~0))) (or (and (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode .cse7 .cse8)) .cse9) (and (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode .cse7 c_~var_1_13~0)) (not .cse9))))) (and (not .cse6) (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode c_~var_1_16~0 .cse8)))))) (= ((_ zero_extend 8) c_~var_1_4~0) c_~var_1_17~0) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (bvsge .cse3 (_ bv0 32)) (bvsle .cse1 (_ bv254 32)) (bvsle .cse10 (_ bv64 32)) (not (fp.leq c_~var_1_16~0 c_~var_1_13~0)) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd .cse0 .cse4))) (not (= (bvadd (bvneg (bvadd .cse3 (_ bv16 32))) (bvneg .cse10) .cse5) .cse4)) (= c_currentRoundingMode roundNearestTiesToEven) (= (_ bv0 8) c_~var_1_2~0) (not (= (bvadd (bvneg (bvadd .cse0 ((_ zero_extend 24) c_~last_1_var_1_6~0))) ((_ zero_extend 16) c_~last_1_var_1_8~0)) (bvadd (_ bv64 32) (bvsdiv .cse4 .cse1)))) (bvsge .cse10 (_ bv0 32)))) is different from false [2024-11-09 07:04:39,540 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse3 ((_ sign_extend 24) c_~var_1_12~0)) (.cse5 ((_ sign_extend 24) c_~var_1_10~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse4 ((_ zero_extend 24) c_~var_1_5~0)) (.cse1 ((_ zero_extend 24) c_~var_1_3~0)) (.cse10 ((_ sign_extend 24) c_~var_1_11~0))) (and (= (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_16~0) c_~var_1_15~0) (fp.leq c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_~var_1_4~0 c_~var_1_6~0) (= c_~var_1_9~0 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 324.0 5.0)) (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (bvsle .cse0 (_ bv127 32)) (bvsge .cse1 (_ bv127 32)) (fp.geq c_~var_1_14~0 .cse2) (bvsle .cse3 (_ bv63 32)) (bvsle .cse4 (bvsdiv .cse1 .cse1)) (fp.geq c_~var_1_13~0 .cse2) (bvsge .cse5 (_ bv63 32)) (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 499.0 5.0)))) (let ((.cse6 (fp.lt .cse7 c_~var_1_16~0)) (.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1278.0 5.0)))) (or (and .cse6 (let ((.cse9 (fp.gt .cse8 c_~var_1_13~0))) (or (and (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode .cse7 .cse8)) .cse9) (and (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode .cse7 c_~var_1_13~0)) (not .cse9))))) (and (not .cse6) (fp.eq c_~var_1_14~0 (fp.div c_currentRoundingMode c_~var_1_16~0 .cse8)))))) (= ((_ zero_extend 8) c_~var_1_4~0) c_~var_1_17~0) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (bvsge .cse3 (_ bv0 32)) (bvsle .cse1 (_ bv254 32)) (bvsle .cse10 (_ bv64 32)) (not (fp.leq c_~var_1_16~0 c_~var_1_13~0)) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd .cse0 .cse4))) (not (= (bvadd (bvneg (bvadd .cse3 (_ bv16 32))) (bvneg .cse10) .cse5) .cse4)) (= c_currentRoundingMode roundNearestTiesToEven) (= (_ bv0 8) c_~var_1_2~0) (not (= (bvadd (bvneg (bvadd .cse0 ((_ zero_extend 24) c_~last_1_var_1_6~0))) ((_ zero_extend 16) c_~last_1_var_1_8~0)) (bvadd (_ bv64 32) (bvsdiv .cse4 .cse1)))) (bvsge .cse10 (_ bv0 32)))) is different from true