./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.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_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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 be2af847ca6e6b21a33c086089fa377d9cd33581334f785b17b8fcc9e5016299 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:03:22,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:03:22,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:03:22,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:03:22,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:03:22,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:03:22,372 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:03:22,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:03:22,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:03:22,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:03:22,374 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:03:22,375 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:03:22,375 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:03:22,376 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:03:22,376 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:03:22,377 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:03:22,381 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:03:22,381 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:03:22,385 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:03:22,385 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:03:22,386 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:03:22,386 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:03:22,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:03:22,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:03:22,388 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:03:22,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:03:22,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:03:22,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:03:22,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:03:22,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:03:22,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:03:22,391 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:03:22,392 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:03:22,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:03:22,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:03:22,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:03:22,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:03:22,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:03:22,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:03:22,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:03:22,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:03:22,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:03:22,396 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:03:22,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:03:22,397 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:03:22,398 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:03:22,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:03:22,398 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_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2af847ca6e6b21a33c086089fa377d9cd33581334f785b17b8fcc9e5016299 [2024-11-09 05:03:22,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:03:22,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:03:22,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:03:22,759 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:03:22,760 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:03:22,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i Unable to find full path for "g++" [2024-11-09 05:03:24,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:03:25,051 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:03:25,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i [2024-11-09 05:03:25,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/data/3eeae6acd/21413280fed8413f9166cda4f3eddc68/FLAG9c68ae8f2 [2024-11-09 05:03:25,400 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/data/3eeae6acd/21413280fed8413f9166cda4f3eddc68 [2024-11-09 05:03:25,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:03:25,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:03:25,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:03:25,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:03:25,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:03:25,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:03:25" (1/1) ... [2024-11-09 05:03:25,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174573ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:25, skipping insertion in model container [2024-11-09 05:03:25,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:03:25" (1/1) ... [2024-11-09 05:03:25,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:03:25,636 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_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i[915,928] [2024-11-09 05:03:25,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:03:25,682 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:03:25,697 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_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i[915,928] [2024-11-09 05:03:25,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:03:25,732 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:03:25,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:25 WrapperNode [2024-11-09 05:03:25,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:03:25,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:03:25,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:03:25,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:03:25,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:25" (1/1) ... [2024-11-09 05:03:25,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:25" (1/1) ... [2024-11-09 05:03:25,780 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 75 [2024-11-09 05:03:25,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:03:25,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:03:25,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:03:25,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:03:25,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:25" (1/1) ... [2024-11-09 05:03:25,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:25" (1/1) ... [2024-11-09 05:03:25,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:25" (1/1) ... [2024-11-09 05:03:25,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:25" (1/1) ... [2024-11-09 05:03:25,801 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:25" (1/1) ... [2024-11-09 05:03:25,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:25" (1/1) ... [2024-11-09 05:03:25,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:25" (1/1) ... [2024-11-09 05:03:25,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:25" (1/1) ... [2024-11-09 05:03:25,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:03:25,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:03:25,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:03:25,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:03:25,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:25" (1/1) ... [2024-11-09 05:03:25,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:03:25,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:03:25,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:03:25,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:03:25,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:03:25,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:03:25,888 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:03:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:03:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:03:25,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:03:25,987 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:03:25,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:03:26,283 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 05:03:26,284 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:03:26,401 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:03:26,401 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:03:26,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:03:26 BoogieIcfgContainer [2024-11-09 05:03:26,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:03:26,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:03:26,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:03:26,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:03:26,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:03:25" (1/3) ... [2024-11-09 05:03:26,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6006e531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:03:26, skipping insertion in model container [2024-11-09 05:03:26,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:25" (2/3) ... [2024-11-09 05:03:26,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6006e531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:03:26, skipping insertion in model container [2024-11-09 05:03:26,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:03:26" (3/3) ... [2024-11-09 05:03:26,414 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-69.i [2024-11-09 05:03:26,435 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:03:26,435 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:03:26,526 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:03:26,536 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;@828a07c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:03:26,537 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:03:26,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 05:03:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 05:03:26,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:26,553 INFO L215 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:03:26,554 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:03:26,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:26,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1149781869, now seen corresponding path program 1 times [2024-11-09 05:03:26,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:03:26,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462598089] [2024-11-09 05:03:26,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:26,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:03:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:03:26,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:03:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:03:27,000 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:03:27,003 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:03:27,005 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:03:27,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:03:27,013 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:03:27,079 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:03:27,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:03:27 BoogieIcfgContainer [2024-11-09 05:03:27,082 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:03:27,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:03:27,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:03:27,083 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:03:27,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:03:26" (3/4) ... [2024-11-09 05:03:27,087 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:03:27,088 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:03:27,090 INFO L158 Benchmark]: Toolchain (without parser) took 1685.38ms. Allocated memory is still 216.0MB. Free memory was 176.7MB in the beginning and 118.2MB in the end (delta: 58.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-09 05:03:27,090 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:03:27,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.23ms. Allocated memory is still 216.0MB. Free memory was 176.5MB in the beginning and 163.2MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:03:27,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.73ms. Allocated memory is still 216.0MB. Free memory was 163.2MB in the beginning and 161.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:03:27,092 INFO L158 Benchmark]: Boogie Preprocessor took 28.90ms. Allocated memory is still 216.0MB. Free memory was 161.3MB in the beginning and 160.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:03:27,094 INFO L158 Benchmark]: RCFGBuilder took 591.49ms. Allocated memory is still 216.0MB. Free memory was 159.7MB in the beginning and 141.8MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 05:03:27,095 INFO L158 Benchmark]: TraceAbstraction took 677.22ms. Allocated memory is still 216.0MB. Free memory was 141.3MB in the beginning and 118.8MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 05:03:27,096 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 216.0MB. Free memory was 118.8MB in the beginning and 118.2MB in the end (delta: 548.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:03:27,102 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.23ms. Allocated memory is still 216.0MB. Free memory was 176.5MB in the beginning and 163.2MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.73ms. Allocated memory is still 216.0MB. Free memory was 163.2MB in the beginning and 161.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.90ms. Allocated memory is still 216.0MB. Free memory was 161.3MB in the beginning and 160.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 591.49ms. Allocated memory is still 216.0MB. Free memory was 159.7MB in the beginning and 141.8MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 677.22ms. Allocated memory is still 216.0MB. Free memory was 141.3MB in the beginning and 118.8MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 216.0MB. Free memory was 118.8MB in the beginning and 118.2MB in the end (delta: 548.2kB). 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 someBinaryFLOATComparisonOperation at line 34. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_3 = 1; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 0; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 1; [L28] float var_1_8 = 127.4; [L29] float var_1_9 = 24.75; [L68] isInitial = 1 [L69] FCALL initially() [L70] COND TRUE 1 [L71] FCALL updateLastVariables() [L72] CALL updateVariables() [L43] var_1_3 = __VERIFIER_nondet_uchar() [L44] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L45] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L46] var_1_4 = __VERIFIER_nondet_uchar() [L47] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L48] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L49] var_1_5 = __VERIFIER_nondet_uchar() [L50] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L51] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L52] var_1_6 = __VERIFIER_nondet_uchar() [L53] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L54] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L55] var_1_7 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L57] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5, var_1_9=99/4] [L58] var_1_9 = __VERIFIER_nondet_float() [L59] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=637/5] [L72] RET updateVariables() [L73] CALL step() [L33] var_1_8 = var_1_9 [L34] COND FALSE !(1.875f != ((((63.1f) > (var_1_8)) ? (63.1f) : (var_1_8)))) [L73] RET step() [L74] CALL, EXPR property() [L64-L65] return ((1.875f != ((((63.1f) > (var_1_8)) ? (63.1f) : (var_1_8)))) ? (var_1_3 ? (var_1_1 == ((unsigned char) ((var_1_4 || var_1_5) || var_1_6))) : (var_1_1 == ((unsigned char) (! var_1_7)))) : 1) && (var_1_8 == ((float) var_1_9)) ; [L74] RET, EXPR property() [L74] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=132, var_1_9=132] [L19] reach_error() VAL [isInitial=1, var_1_1=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=132, var_1_9=132] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 11, 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=26occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:03:27,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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 be2af847ca6e6b21a33c086089fa377d9cd33581334f785b17b8fcc9e5016299 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:03:29,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:03:29,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:03:29,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:03:29,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:03:29,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:03:29,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:03:29,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:03:29,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:03:29,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:03:29,894 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:03:29,894 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:03:29,895 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:03:29,895 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:03:29,896 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:03:29,900 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:03:29,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:03:29,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:03:29,902 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:03:29,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:03:29,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:03:29,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:03:29,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:03:29,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:03:29,906 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:03:29,906 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:03:29,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:03:29,907 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:03:29,908 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:03:29,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:03:29,908 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:03:29,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:03:29,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:03:29,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:03:29,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:03:29,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:03:29,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:03:29,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:03:29,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:03:29,911 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:03:29,911 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:03:29,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:03:29,914 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:03:29,915 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_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2af847ca6e6b21a33c086089fa377d9cd33581334f785b17b8fcc9e5016299 [2024-11-09 05:03:30,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:03:30,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:03:30,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:03:30,394 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:03:30,394 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:03:30,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i Unable to find full path for "g++" [2024-11-09 05:03:32,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:03:33,109 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:03:33,111 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i [2024-11-09 05:03:33,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/data/cba5f15d3/21d2015242d24aecb517613f5bb094a7/FLAG08927998c [2024-11-09 05:03:33,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/data/cba5f15d3/21d2015242d24aecb517613f5bb094a7 [2024-11-09 05:03:33,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:03:33,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:03:33,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:03:33,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:03:33,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:03:33,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:03:33" (1/1) ... [2024-11-09 05:03:33,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9903dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:33, skipping insertion in model container [2024-11-09 05:03:33,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:03:33" (1/1) ... [2024-11-09 05:03:33,464 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:03:33,722 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_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i[915,928] [2024-11-09 05:03:33,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:03:33,785 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:03:33,802 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_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-69.i[915,928] [2024-11-09 05:03:33,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:03:33,858 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:03:33,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:33 WrapperNode [2024-11-09 05:03:33,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:03:33,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:03:33,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:03:33,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:03:33,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:33" (1/1) ... [2024-11-09 05:03:33,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:33" (1/1) ... [2024-11-09 05:03:33,924 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 75 [2024-11-09 05:03:33,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:03:33,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:03:33,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:03:33,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:03:33,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:33" (1/1) ... [2024-11-09 05:03:33,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:33" (1/1) ... [2024-11-09 05:03:33,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:33" (1/1) ... [2024-11-09 05:03:33,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:33" (1/1) ... [2024-11-09 05:03:33,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:33" (1/1) ... [2024-11-09 05:03:33,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:33" (1/1) ... [2024-11-09 05:03:33,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:33" (1/1) ... [2024-11-09 05:03:33,981 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:33" (1/1) ... [2024-11-09 05:03:33,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:03:33,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:03:33,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:03:33,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:03:33,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:33" (1/1) ... [2024-11-09 05:03:34,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:03:34,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:03:34,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:03:34,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:03:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:03:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:03:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:03:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:03:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:03:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:03:34,181 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:03:34,184 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:03:34,477 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 05:03:34,477 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:03:34,495 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:03:34,495 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:03:34,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:03:34 BoogieIcfgContainer [2024-11-09 05:03:34,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:03:34,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:03:34,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:03:34,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:03:34,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:03:33" (1/3) ... [2024-11-09 05:03:34,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704970cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:03:34, skipping insertion in model container [2024-11-09 05:03:34,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:33" (2/3) ... [2024-11-09 05:03:34,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704970cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:03:34, skipping insertion in model container [2024-11-09 05:03:34,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:03:34" (3/3) ... [2024-11-09 05:03:34,505 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-69.i [2024-11-09 05:03:34,522 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:03:34,523 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:03:34,591 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:03:34,599 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;@7f925f04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:03:34,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:03:34,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 05:03:34,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 05:03:34,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:34,618 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:03:34,619 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:03:34,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:34,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1372277590, now seen corresponding path program 1 times [2024-11-09 05:03:34,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:03:34,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375462236] [2024-11-09 05:03:34,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:34,640 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 05:03:34,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:03:34,641 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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 05:03:34,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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 05:03:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:34,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:03:34,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-09 05:03:34,897 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:03:34,898 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:03:34,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [375462236] [2024-11-09 05:03:34,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [375462236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:34,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:03:34,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:03:34,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472258305] [2024-11-09 05:03:34,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:34,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:03:34,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:03:34,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:03:34,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:03:34,946 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 05:03:34,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:34,974 INFO L93 Difference]: Finished difference Result 69 states and 111 transitions. [2024-11-09 05:03:34,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:03:34,979 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 71 [2024-11-09 05:03:34,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:34,989 INFO L225 Difference]: With dead ends: 69 [2024-11-09 05:03:34,989 INFO L226 Difference]: Without dead ends: 34 [2024-11-09 05:03:34,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 70 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 05:03:34,998 INFO L432 NwaCegarLoop]: 45 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, 45 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 05:03:34,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:03:35,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-09 05:03:35,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-09 05:03:35,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 05:03:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2024-11-09 05:03:35,075 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 71 [2024-11-09 05:03:35,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:35,076 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2024-11-09 05:03:35,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 05:03:35,077 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-09 05:03:35,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 05:03:35,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:35,083 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:03:35,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:03:35,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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 05:03:35,285 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:03:35,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:35,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1988642082, now seen corresponding path program 1 times [2024-11-09 05:03:35,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:03:35,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250025107] [2024-11-09 05:03:35,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:35,288 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 05:03:35,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:03:35,292 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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 05:03:35,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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 05:03:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:35,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 05:03:35,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:41,319 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 181 proven. 21 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 05:03:41,319 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:03:43,633 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:03:43,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250025107] [2024-11-09 05:03:43,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [250025107] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:03:43,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1976955073] [2024-11-09 05:03:43,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:43,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:03:43,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:03:43,644 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:03:43,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 05:03:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:44,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 05:03:44,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:47,064 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 170 proven. 27 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 05:03:47,065 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:03:49,080 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 05:03:49,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1976955073] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 05:03:49,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:03:49,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [21, 18] total 43 [2024-11-09 05:03:49,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389914039] [2024-11-09 05:03:49,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:49,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 05:03:49,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:03:49,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 05:03:49,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1794, Unknown=0, NotChecked=0, Total=2162 [2024-11-09 05:03:49,087 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 05:03:49,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:49,677 INFO L93 Difference]: Finished difference Result 65 states and 85 transitions. [2024-11-09 05:03:49,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 05:03:49,678 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 72 [2024-11-09 05:03:49,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:49,680 INFO L225 Difference]: With dead ends: 65 [2024-11-09 05:03:49,680 INFO L226 Difference]: Without dead ends: 63 [2024-11-09 05:03:49,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 999 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=384, Invalid=1968, Unknown=0, NotChecked=0, Total=2352 [2024-11-09 05:03:49,683 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 47 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:49,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 200 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:03:49,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-09 05:03:49,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 58. [2024-11-09 05:03:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 35 states have internal predecessors, (36), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 05:03:49,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 78 transitions. [2024-11-09 05:03:49,718 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 78 transitions. Word has length 72 [2024-11-09 05:03:49,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:49,719 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 78 transitions. [2024-11-09 05:03:49,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 05:03:49,719 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2024-11-09 05:03:49,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 05:03:49,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:49,724 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:03:49,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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 05:03:49,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 05:03:50,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 05:03:50,125 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:03:50,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:50,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1986795040, now seen corresponding path program 1 times [2024-11-09 05:03:50,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:03:50,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171700324] [2024-11-09 05:03:50,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:50,127 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 05:03:50,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:03:50,131 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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 05:03:50,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 05:03:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:50,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 05:03:50,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 181 proven. 21 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 05:03:53,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:03:54,818 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:03:54,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1171700324] [2024-11-09 05:03:54,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1171700324] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:03:54,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [136939164] [2024-11-09 05:03:54,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:54,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:03:54,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:03:54,825 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:03:54,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 05:03:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:55,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 05:03:55,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 05:03:57,224 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:03:57,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [136939164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:57,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:03:57,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [21] total 27 [2024-11-09 05:03:57,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454547113] [2024-11-09 05:03:57,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:57,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 05:03:57,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:03:57,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 05:03:57,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=877, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:03:57,227 INFO L87 Difference]: Start difference. First operand 58 states and 78 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 05:03:58,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:58,780 INFO L93 Difference]: Finished difference Result 89 states and 117 transitions. [2024-11-09 05:03:58,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:03:58,781 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 72 [2024-11-09 05:03:58,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:58,782 INFO L225 Difference]: With dead ends: 89 [2024-11-09 05:03:58,782 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:03:58,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=231, Invalid=1409, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 05:03:58,785 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 55 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:58,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 210 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 05:03:58,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:03:58,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:03:58,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:03:58,788 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2024-11-09 05:03:58,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:58,788 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:03:58,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 05:03:58,788 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:03:58,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:03:58,792 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:03:58,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 05:03:59,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-09 05:03:59,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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 05:03:59,199 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 05:03:59,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:04:01,432 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:04:01,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 05:04:01,446 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 05:04:01,446 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 05:04:01,446 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 05:04:01,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:04:01 BoogieIcfgContainer [2024-11-09 05:04:01,458 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:04:01,459 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:04:01,459 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:04:01,459 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:04:01,461 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:03:34" (3/4) ... [2024-11-09 05:04:01,465 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:04:01,470 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 05:04:01,475 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 05:04:01,475 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 05:04:01,475 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 05:04:01,476 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:04:01,578 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:04:01,579 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:04:01,579 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:04:01,580 INFO L158 Benchmark]: Toolchain (without parser) took 28148.16ms. Allocated memory was 60.8MB in the beginning and 434.1MB in the end (delta: 373.3MB). Free memory was 30.9MB in the beginning and 198.0MB in the end (delta: -167.1MB). Peak memory consumption was 205.9MB. Max. memory is 16.1GB. [2024-11-09 05:04:01,580 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:04:01,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.82ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 30.7MB in the beginning and 53.2MB in the end (delta: -22.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-09 05:04:01,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.28ms. Allocated memory is still 81.8MB. Free memory was 53.2MB in the beginning and 51.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:04:01,582 INFO L158 Benchmark]: Boogie Preprocessor took 62.35ms. Allocated memory is still 81.8MB. Free memory was 51.3MB in the beginning and 49.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:04:01,582 INFO L158 Benchmark]: RCFGBuilder took 506.73ms. Allocated memory is still 81.8MB. Free memory was 49.6MB in the beginning and 58.7MB in the end (delta: -9.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-09 05:04:01,583 INFO L158 Benchmark]: TraceAbstraction took 26960.28ms. Allocated memory was 81.8MB in the beginning and 434.1MB in the end (delta: 352.3MB). Free memory was 57.8MB in the beginning and 203.2MB in the end (delta: -145.4MB). Peak memory consumption was 205.2MB. Max. memory is 16.1GB. [2024-11-09 05:04:01,583 INFO L158 Benchmark]: Witness Printer took 120.53ms. Allocated memory is still 434.1MB. Free memory was 203.2MB in the beginning and 198.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:04:01,586 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.82ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 30.7MB in the beginning and 53.2MB in the end (delta: -22.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.28ms. Allocated memory is still 81.8MB. Free memory was 53.2MB in the beginning and 51.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.35ms. Allocated memory is still 81.8MB. Free memory was 51.3MB in the beginning and 49.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 506.73ms. Allocated memory is still 81.8MB. Free memory was 49.6MB in the beginning and 58.7MB in the end (delta: -9.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 26960.28ms. Allocated memory was 81.8MB in the beginning and 434.1MB in the end (delta: 352.3MB). Free memory was 57.8MB in the beginning and 203.2MB in the end (delta: -145.4MB). Peak memory consumption was 205.2MB. Max. memory is 16.1GB. * Witness Printer took 120.53ms. Allocated memory is still 434.1MB. Free memory was 203.2MB in the beginning and 198.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.6s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 455 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 308 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 417 IncrementalHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 147 mSDtfsCounter, 417 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 451 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1499 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=2, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 19.8s InterpolantComputationTime, 359 NumberOfCodeBlocks, 359 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 425 ConstructedInterpolants, 0 QuantifiedInterpolants, 2800 SizeOfPredicates, 41 NumberOfNonLiveVariables, 588 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 1251/1320 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && (((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 05:04:01,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c240d57d-6b43-4c73-a9e1-3a4194ad7acc/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 Writing output log to file Ultimate.log Result: TRUE