./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/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_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/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_3c2348a0-ed53-4518-8fd8-32a764f719a5/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 c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:29:25,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:29:25,334 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:29:25,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:29:25,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:29:25,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:29:25,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:29:25,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:29:25,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:29:25,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:29:25,380 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:29:25,381 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:29:25,382 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:29:25,384 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:29:25,385 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:29:25,385 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:29:25,385 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:29:25,386 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:29:25,386 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:29:25,386 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:29:25,387 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:29:25,392 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:29:25,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:29:25,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:29:25,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:29:25,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:29:25,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:29:25,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:29:25,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:29:25,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:29:25,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:29:25,409 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:29:25,410 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:29:25,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:29:25,410 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:29:25,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:29:25,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:29:25,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:29:25,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:25,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:29:25,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:29:25,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:29:25,414 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:29:25,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:29:25,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:29:25,415 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:29:25,416 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:29:25,416 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_3c2348a0-ed53-4518-8fd8-32a764f719a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 [2024-11-09 04:29:25,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:29:25,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:29:25,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:29:25,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:29:25,813 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:29:25,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i Unable to find full path for "g++" [2024-11-09 04:29:27,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:29:28,021 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:29:28,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i [2024-11-09 04:29:28,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/data/c4bef8e58/ecf45cf9aed14186b830dd3143fd6a1d/FLAG007fb41d5 [2024-11-09 04:29:28,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/data/c4bef8e58/ecf45cf9aed14186b830dd3143fd6a1d [2024-11-09 04:29:28,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:29:28,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:29:28,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:28,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:29:28,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:29:28,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:28" (1/1) ... [2024-11-09 04:29:28,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d415808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:28, skipping insertion in model container [2024-11-09 04:29:28,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:28" (1/1) ... [2024-11-09 04:29:28,086 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:29:28,280 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_3c2348a0-ed53-4518-8fd8-32a764f719a5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2024-11-09 04:29:28,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:28,340 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:29:28,355 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_3c2348a0-ed53-4518-8fd8-32a764f719a5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2024-11-09 04:29:28,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:28,399 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:29:28,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:28 WrapperNode [2024-11-09 04:29:28,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:28,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:28,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:29:28,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:29:28,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:28" (1/1) ... [2024-11-09 04:29:28,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:28" (1/1) ... [2024-11-09 04:29:28,451 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-09 04:29:28,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:28,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:29:28,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:29:28,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:29:28,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:28" (1/1) ... [2024-11-09 04:29:28,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:28" (1/1) ... [2024-11-09 04:29:28,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:28" (1/1) ... [2024-11-09 04:29:28,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:28" (1/1) ... [2024-11-09 04:29:28,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:28" (1/1) ... [2024-11-09 04:29:28,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:28" (1/1) ... [2024-11-09 04:29:28,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:28" (1/1) ... [2024-11-09 04:29:28,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:28" (1/1) ... [2024-11-09 04:29:28,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:29:28,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:29:28,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:29:28,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:29:28,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:28" (1/1) ... [2024-11-09 04:29:28,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:28,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:28,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:29:28,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:29:28,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:29:28,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:29:28,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:29:28,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:29:28,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:29:28,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:29:28,686 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:29:28,689 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:29:29,006 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 04:29:29,006 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:29:29,171 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:29:29,171 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:29:29,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:29 BoogieIcfgContainer [2024-11-09 04:29:29,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:29:29,174 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:29:29,174 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:29:29,178 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:29:29,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:29:28" (1/3) ... [2024-11-09 04:29:29,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364191fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:29, skipping insertion in model container [2024-11-09 04:29:29,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:28" (2/3) ... [2024-11-09 04:29:29,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364191fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:29, skipping insertion in model container [2024-11-09 04:29:29,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:29" (3/3) ... [2024-11-09 04:29:29,181 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-72.i [2024-11-09 04:29:29,200 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:29:29,201 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:29:29,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:29:29,303 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;@a495a77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:29:29,303 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:29:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 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 04:29:29,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 04:29:29,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:29,335 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] [2024-11-09 04:29:29,337 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:29:29,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:29,347 INFO L85 PathProgramCache]: Analyzing trace with hash 880568949, now seen corresponding path program 1 times [2024-11-09 04:29:29,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:29:29,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036077636] [2024-11-09 04:29:29,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:29,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:29:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:29:29,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1801063179] [2024-11-09 04:29:29,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:29,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:29:29,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:29,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:29:29,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:29:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:29:29,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:29:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:29:30,097 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:29:30,100 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:29:30,101 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:29:30,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:29:30,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 04:29:30,309 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:29:30,390 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:29:30,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:29:30 BoogieIcfgContainer [2024-11-09 04:29:30,393 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:29:30,394 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:29:30,394 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:29:30,394 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:29:30,395 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:29" (3/4) ... [2024-11-09 04:29:30,401 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:29:30,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:29:30,404 INFO L158 Benchmark]: Toolchain (without parser) took 2354.79ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 96.9MB in the beginning and 123.2MB in the end (delta: -26.3MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-09 04:29:30,404 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:29:30,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.44ms. Allocated memory is still 138.4MB. Free memory was 96.6MB in the beginning and 82.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 04:29:30,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.64ms. Allocated memory is still 138.4MB. Free memory was 82.4MB in the beginning and 80.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:29:30,406 INFO L158 Benchmark]: Boogie Preprocessor took 52.03ms. Allocated memory is still 138.4MB. Free memory was 80.1MB in the beginning and 78.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:29:30,407 INFO L158 Benchmark]: RCFGBuilder took 666.28ms. Allocated memory is still 138.4MB. Free memory was 78.5MB in the beginning and 53.6MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 04:29:30,408 INFO L158 Benchmark]: TraceAbstraction took 1219.25ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 53.1MB in the beginning and 123.2MB in the end (delta: -70.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:29:30,408 INFO L158 Benchmark]: Witness Printer took 8.58ms. Allocated memory is still 190.8MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:29:30,411 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.44ms. Allocated memory is still 138.4MB. Free memory was 96.6MB in the beginning and 82.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.64ms. Allocated memory is still 138.4MB. Free memory was 82.4MB in the beginning and 80.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.03ms. Allocated memory is still 138.4MB. Free memory was 80.1MB in the beginning and 78.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 666.28ms. Allocated memory is still 138.4MB. Free memory was 78.5MB in the beginning and 53.6MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1219.25ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 53.1MB in the beginning and 123.2MB in the end (delta: -70.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.58ms. Allocated memory is still 190.8MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_8 = 1; [L25] unsigned char var_1_9 = 0; [L26] unsigned long int var_1_10 = 2; [L27] signed char var_1_11 = -16; [L28] signed char var_1_12 = -2; [L29] signed char var_1_13 = -10; [L30] signed char var_1_14 = 4; [L31] signed long int var_1_15 = 256; [L32] signed long int var_1_16 = 0; [L33] signed long int var_1_17 = 1000000000; [L34] signed long int var_1_18 = 50; [L35] signed long int var_1_19 = 9; [L36] signed long int var_1_20 = 1000000000; [L37] signed char var_1_21 = 4; [L38] unsigned short int var_1_22 = 10000; [L39] unsigned char last_1_var_1_1 = 1; [L40] signed long int last_1_var_1_15 = 256; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L96] last_1_var_1_1 = var_1_1 [L97] last_1_var_1_15 = var_1_15 [L107] RET updateLastVariables() [L108] CALL updateVariables() [L63] var_1_6 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L65] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L66] var_1_8 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_9=0] [L68] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L69] var_1_9 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0] [L71] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L72] var_1_12 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L75] var_1_13 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L78] var_1_14 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L81] var_1_16 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L85] var_1_17 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_17 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_17 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L88] var_1_18 = __VERIFIER_nondet_long() [L89] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L91] var_1_19 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L108] RET updateVariables() [L109] CALL step() [L44] COND FALSE !(\read(var_1_9)) [L47] var_1_11 = (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14)))) [L48] var_1_20 = var_1_19 [L49] var_1_21 = 1 [L50] var_1_22 = 10 [L51] COND TRUE (var_1_20 + (var_1_20 / var_1_16)) == var_1_20 [L52] COND TRUE var_1_20 >= last_1_var_1_15 [L53] var_1_15 = (var_1_17 - (((((var_1_18 + var_1_19)) < (9.9999999999995E12)) ? ((var_1_18 + var_1_19)) : (9.9999999999995E12)))) [L58] COND FALSE !(var_1_20 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15)) [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((((var_1_20 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15)) ? (var_1_1 == ((unsigned char) (var_1_6 && ((last_1_var_1_1 || var_1_8) && var_1_9)))) : 1) && (var_1_9 ? (var_1_10 == ((unsigned long int) 2u)) : 1)) && (var_1_11 == ((signed char) (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14))))))) && (((var_1_20 + (var_1_20 / var_1_16)) == var_1_20) ? ((var_1_20 >= last_1_var_1_15) ? (var_1_15 == ((signed long int) (var_1_17 - (((((var_1_18 + var_1_19)) < (9.9999999999995E12)) ? ((var_1_18 + var_1_19)) : (9.9999999999995E12)))))) : (var_1_15 == ((signed long int) ((((var_1_17) < ((5.75 + var_1_19))) ? (var_1_17) : ((5.75 + var_1_19))))))) : 1)) && (var_1_20 == ((signed long int) var_1_19))) && (var_1_21 == ((signed char) 1))) && (var_1_22 == ((unsigned short int) 10)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=10, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=256, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=10, var_1_12=10, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=256, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 04:29:30,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/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_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/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_3c2348a0-ed53-4518-8fd8-32a764f719a5/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 c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:29:33,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:29:33,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:29:33,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:29:33,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:29:33,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:29:33,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:29:33,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:29:33,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:29:33,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:29:33,171 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:29:33,171 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:29:33,172 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:29:33,172 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:29:33,172 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:29:33,173 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:29:33,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:29:33,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:29:33,179 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:29:33,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:29:33,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:29:33,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:29:33,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:29:33,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:29:33,182 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:29:33,182 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:29:33,182 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:29:33,183 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:29:33,183 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:29:33,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:29:33,183 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:29:33,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:29:33,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:29:33,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:29:33,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:29:33,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:33,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:29:33,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:29:33,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:29:33,186 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:29:33,187 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:29:33,188 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:29:33,188 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:29:33,188 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_3c2348a0-ed53-4518-8fd8-32a764f719a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 [2024-11-09 04:29:33,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:29:33,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:29:33,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:29:33,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:29:33,666 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:29:33,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i Unable to find full path for "g++" [2024-11-09 04:29:35,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:29:36,168 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:29:36,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i [2024-11-09 04:29:36,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/data/baeaba805/ba0e612330a4437684a1d5a7efaacc4b/FLAG9ff2b3d17 [2024-11-09 04:29:36,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/data/baeaba805/ba0e612330a4437684a1d5a7efaacc4b [2024-11-09 04:29:36,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:29:36,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:29:36,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:36,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:29:36,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:29:36,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:36" (1/1) ... [2024-11-09 04:29:36,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d15d06f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:36, skipping insertion in model container [2024-11-09 04:29:36,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:36" (1/1) ... [2024-11-09 04:29:36,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:29:36,530 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_3c2348a0-ed53-4518-8fd8-32a764f719a5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2024-11-09 04:29:36,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:36,661 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:29:36,679 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_3c2348a0-ed53-4518-8fd8-32a764f719a5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2024-11-09 04:29:36,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:36,754 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:29:36,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:36 WrapperNode [2024-11-09 04:29:36,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:36,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:36,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:29:36,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:29:36,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:36" (1/1) ... [2024-11-09 04:29:36,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:36" (1/1) ... [2024-11-09 04:29:36,823 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-09 04:29:36,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:36,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:29:36,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:29:36,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:29:36,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:36" (1/1) ... [2024-11-09 04:29:36,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:36" (1/1) ... [2024-11-09 04:29:36,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:36" (1/1) ... [2024-11-09 04:29:36,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:36" (1/1) ... [2024-11-09 04:29:36,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:36" (1/1) ... [2024-11-09 04:29:36,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:36" (1/1) ... [2024-11-09 04:29:36,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:36" (1/1) ... [2024-11-09 04:29:36,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:36" (1/1) ... [2024-11-09 04:29:36,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:29:36,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:29:36,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:29:36,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:29:36,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:36" (1/1) ... [2024-11-09 04:29:36,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:36,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:36,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:29:36,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:29:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:29:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:29:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:29:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:29:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:29:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:29:37,060 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:29:37,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:29:43,516 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 04:29:43,534 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:29:43,551 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:29:43,552 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:29:43,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:43 BoogieIcfgContainer [2024-11-09 04:29:43,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:29:43,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:29:43,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:29:43,560 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:29:43,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:29:36" (1/3) ... [2024-11-09 04:29:43,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b41b6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:43, skipping insertion in model container [2024-11-09 04:29:43,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:36" (2/3) ... [2024-11-09 04:29:43,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b41b6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:43, skipping insertion in model container [2024-11-09 04:29:43,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:43" (3/3) ... [2024-11-09 04:29:43,564 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-72.i [2024-11-09 04:29:43,581 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:29:43,581 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:29:43,666 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:29:43,672 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;@269f3938, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:29:43,676 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:29:43,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 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 04:29:43,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 04:29:43,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:43,702 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] [2024-11-09 04:29:43,703 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:29:43,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:43,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1120680831, now seen corresponding path program 1 times [2024-11-09 04:29:43,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:29:43,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785556326] [2024-11-09 04:29:43,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:43,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:29:43,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:29:43,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:29:43,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 04:29:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:44,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:29:44,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:29:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-09 04:29:44,141 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:29:44,142 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:29:44,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785556326] [2024-11-09 04:29:44,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [785556326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:29:44,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:29:44,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:29:44,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978922425] [2024-11-09 04:29:44,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:29:44,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:29:44,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:29:44,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:29:44,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:29:44,179 INFO L87 Difference]: Start difference. First operand has 55 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 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 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 04:29:44,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:29:44,221 INFO L93 Difference]: Finished difference Result 103 states and 179 transitions. [2024-11-09 04:29:44,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:29:44,224 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 128 [2024-11-09 04:29:44,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:29:44,234 INFO L225 Difference]: With dead ends: 103 [2024-11-09 04:29:44,234 INFO L226 Difference]: Without dead ends: 51 [2024-11-09 04:29:44,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:29:44,246 INFO L432 NwaCegarLoop]: 75 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, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:29:44,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:29:44,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-09 04:29:44,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-09 04:29:44,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 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 04:29:44,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2024-11-09 04:29:44,308 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 128 [2024-11-09 04:29:44,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:29:44,309 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2024-11-09 04:29:44,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 04:29:44,310 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-09 04:29:44,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 04:29:44,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:44,313 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] [2024-11-09 04:29:44,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 04:29:44,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:29:44,514 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:29:44,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:44,515 INFO L85 PathProgramCache]: Analyzing trace with hash 752297731, now seen corresponding path program 1 times [2024-11-09 04:29:44,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:29:44,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51130361] [2024-11-09 04:29:44,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:44,517 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:29:44,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:29:44,530 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:29:44,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 04:29:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:44,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:29:44,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:29:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 330 proven. 45 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 04:29:46,292 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:29:47,260 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-09 04:29:47,260 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:29:47,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51130361] [2024-11-09 04:29:47,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [51130361] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:29:47,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [216254169] [2024-11-09 04:29:47,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:47,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:29:47,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:29:47,266 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:29:47,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 04:29:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:47,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 04:29:47,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:29:48,853 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 330 proven. 45 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 04:29:48,854 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:29:49,717 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-09 04:29:49,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [216254169] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:29:49,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698277080] [2024-11-09 04:29:49,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:49,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:29:49,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:49,721 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:29:49,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 04:29:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:50,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:29:50,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:29:50,979 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 330 proven. 45 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-09 04:29:50,980 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:29:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-09 04:29:51,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698277080] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:29:51,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 04:29:51,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2024-11-09 04:29:51,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564636702] [2024-11-09 04:29:51,866 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 04:29:51,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:29:51,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:29:51,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:29:51,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:29:51,872 INFO L87 Difference]: Start difference. First operand 51 states and 75 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-09 04:29:54,835 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 04:29:56,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:29:58,841 WARN L539 Checker$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 04:29:58,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:29:58,847 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2024-11-09 04:29:58,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:29:58,890 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 128 [2024-11-09 04:29:58,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:29:58,894 INFO L225 Difference]: With dead ends: 107 [2024-11-09 04:29:58,894 INFO L226 Difference]: Without dead ends: 59 [2024-11-09 04:29:58,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 766 GetRequests, 754 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-09 04:29:58,897 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 64 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 29 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:29:58,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 100 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 110 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2024-11-09 04:29:58,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-09 04:29:58,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2024-11-09 04:29:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 31 states have internal predecessors, (35), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 04:29:58,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2024-11-09 04:29:58,917 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 128 [2024-11-09 04:29:58,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:29:58,918 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2024-11-09 04:29:58,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-09 04:29:58,919 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2024-11-09 04:29:58,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 04:29:58,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:58,922 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] [2024-11-09 04:29:58,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 04:29:59,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 04:29:59,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 04:29:59,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:29:59,524 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:29:59,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:59,524 INFO L85 PathProgramCache]: Analyzing trace with hash -57048895, now seen corresponding path program 1 times [2024-11-09 04:29:59,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:29:59,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595640495] [2024-11-09 04:29:59,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:59,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:29:59,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:29:59,530 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:29:59,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 04:29:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:29:59,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:30:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:30:00,316 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-09 04:30:00,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1204136834] [2024-11-09 04:30:00,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:00,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:30:00,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:30:00,318 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:30:00,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2348a0-ed53-4518-8fd8-32a764f719a5/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 04:30:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:01,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 04:30:01,162 INFO L278 TraceCheckSpWp]: Computing forward predicates...