./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.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_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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_7e3911ab-8c7b-474b-95e4-71096d6155b2/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 a2516b40220938196b9b667879c45993cd4bcecc3daa1c811132234d646c2577 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:38:52,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:38:52,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:38:52,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:38:52,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:38:52,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:38:52,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:38:52,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:38:52,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:38:52,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:38:52,569 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:38:52,569 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:38:52,570 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:38:52,570 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:38:52,571 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:38:52,571 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:38:52,574 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:38:52,574 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:38:52,574 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:38:52,575 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:38:52,575 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:38:52,582 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:38:52,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:38:52,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:38:52,584 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:38:52,584 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:38:52,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:38:52,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:38:52,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:38:52,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:38:52,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:38:52,588 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:38:52,588 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:38:52,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:38:52,589 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:38:52,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:38:52,590 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:38:52,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:38:52,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:38:52,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:38:52,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:38:52,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:38:52,593 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:38:52,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:38:52,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:38:52,595 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:38:52,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:38:52,595 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_7e3911ab-8c7b-474b-95e4-71096d6155b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2516b40220938196b9b667879c45993cd4bcecc3daa1c811132234d646c2577 [2024-11-09 05:38:52,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:38:53,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:38:53,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:38:53,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:38:53,013 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:38:53,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i Unable to find full path for "g++" [2024-11-09 05:38:55,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:38:55,909 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:38:55,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i [2024-11-09 05:38:55,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/data/ea4e228f7/b7e5d49a8a6145d4b69fe44ac41f4ad2/FLAGe707ca7ac [2024-11-09 05:38:55,935 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/data/ea4e228f7/b7e5d49a8a6145d4b69fe44ac41f4ad2 [2024-11-09 05:38:55,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:38:55,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:38:55,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:38:55,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:38:55,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:38:55,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:38:55" (1/1) ... [2024-11-09 05:38:55,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff8be8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:55, skipping insertion in model container [2024-11-09 05:38:55,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:38:55" (1/1) ... [2024-11-09 05:38:55,980 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:38:56,189 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_7e3911ab-8c7b-474b-95e4-71096d6155b2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i[915,928] [2024-11-09 05:38:56,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:38:56,239 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:38:56,257 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_7e3911ab-8c7b-474b-95e4-71096d6155b2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i[915,928] [2024-11-09 05:38:56,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:38:56,296 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:38:56,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:56 WrapperNode [2024-11-09 05:38:56,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:38:56,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:38:56,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:38:56,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:38:56,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:56" (1/1) ... [2024-11-09 05:38:56,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:56" (1/1) ... [2024-11-09 05:38:56,343 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 61 [2024-11-09 05:38:56,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:38:56,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:38:56,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:38:56,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:38:56,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:56" (1/1) ... [2024-11-09 05:38:56,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:56" (1/1) ... [2024-11-09 05:38:56,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:56" (1/1) ... [2024-11-09 05:38:56,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:56" (1/1) ... [2024-11-09 05:38:56,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:56" (1/1) ... [2024-11-09 05:38:56,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:56" (1/1) ... [2024-11-09 05:38:56,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:56" (1/1) ... [2024-11-09 05:38:56,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:56" (1/1) ... [2024-11-09 05:38:56,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:38:56,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:38:56,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:38:56,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:38:56,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:56" (1/1) ... [2024-11-09 05:38:56,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:38:56,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:38:56,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:38:56,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:38:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:38:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:38:56,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:38:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:38:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:38:56,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:38:56,567 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:38:56,573 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:38:56,877 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 05:38:56,877 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:38:57,030 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:38:57,031 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:38:57,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:38:57 BoogieIcfgContainer [2024-11-09 05:38:57,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:38:57,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:38:57,039 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:38:57,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:38:57,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:38:55" (1/3) ... [2024-11-09 05:38:57,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405384d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:38:57, skipping insertion in model container [2024-11-09 05:38:57,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:56" (2/3) ... [2024-11-09 05:38:57,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405384d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:38:57, skipping insertion in model container [2024-11-09 05:38:57,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:38:57" (3/3) ... [2024-11-09 05:38:57,051 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-27.i [2024-11-09 05:38:57,071 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:38:57,072 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:38:57,153 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:38:57,161 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;@3a10e873, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:38:57,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:38:57,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 05:38:57,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 05:38:57,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:57,184 INFO L215 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:57,185 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:57,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:57,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1629289218, now seen corresponding path program 1 times [2024-11-09 05:38:57,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:57,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791731622] [2024-11-09 05:38:57,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:57,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:38:57,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:38:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:38:57,567 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:38:57,570 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:38:57,571 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:38:57,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:38:57,580 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:38:57,619 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:38:57,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:38:57 BoogieIcfgContainer [2024-11-09 05:38:57,622 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:38:57,623 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:38:57,623 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:38:57,624 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:38:57,625 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:38:57" (3/4) ... [2024-11-09 05:38:57,627 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:38:57,628 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:38:57,629 INFO L158 Benchmark]: Toolchain (without parser) took 1689.21ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 106.1MB in the end (delta: 1.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-11-09 05:38:57,630 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 111.1MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:38:57,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.32ms. Allocated memory is still 144.7MB. Free memory was 106.7MB in the beginning and 94.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 05:38:57,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.43ms. Allocated memory is still 144.7MB. Free memory was 94.1MB in the beginning and 92.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:38:57,632 INFO L158 Benchmark]: Boogie Preprocessor took 32.30ms. Allocated memory is still 144.7MB. Free memory was 92.1MB in the beginning and 91.1MB in the end (delta: 970.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:38:57,633 INFO L158 Benchmark]: RCFGBuilder took 651.50ms. Allocated memory is still 144.7MB. Free memory was 91.1MB in the beginning and 75.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:38:57,633 INFO L158 Benchmark]: TraceAbstraction took 586.83ms. Allocated memory is still 144.7MB. Free memory was 74.8MB in the beginning and 106.9MB in the end (delta: -32.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:38:57,634 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 144.7MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:38:57,638 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 111.1MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.32ms. Allocated memory is still 144.7MB. Free memory was 106.7MB in the beginning and 94.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.43ms. Allocated memory is still 144.7MB. Free memory was 94.1MB in the beginning and 92.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.30ms. Allocated memory is still 144.7MB. Free memory was 92.1MB in the beginning and 91.1MB in the end (delta: 970.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 651.50ms. Allocated memory is still 144.7MB. Free memory was 91.1MB in the beginning and 75.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 586.83ms. Allocated memory is still 144.7MB. Free memory was 74.8MB in the beginning and 106.9MB in the end (delta: -32.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 144.7MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 35. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 64; [L23] unsigned char var_1_4 = 1; [L24] unsigned short int var_1_5 = 16; [L25] unsigned short int var_1_6 = 32; [L26] signed long int var_1_7 = -10; [L27] double var_1_8 = 9999999.5; [L28] double var_1_9 = 10.25; [L60] isInitial = 1 [L61] FCALL initially() [L62] COND TRUE 1 [L63] FCALL updateLastVariables() [L64] CALL updateVariables() [L44] var_1_4 = __VERIFIER_nondet_uchar() [L45] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=64, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L46] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=1, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_1=64, var_1_4=1, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L47] var_1_5 = __VERIFIER_nondet_ushort() [L48] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=1, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=64, var_1_4=1, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L49] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=1, var_1_5=64, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, var_1_1=64, var_1_4=1, var_1_5=64, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L50] var_1_9 = __VERIFIER_nondet_double() [L51] 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=64, var_1_4=1, var_1_5=64, var_1_6=32, var_1_7=-10, var_1_8=19999999/2] [L20] COND FALSE !(!cond) [L51] 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=64, var_1_4=1, var_1_5=64, var_1_6=32, var_1_7=-10, var_1_8=19999999/2] [L64] RET updateVariables() [L65] CALL step() [L32] var_1_6 = var_1_5 [L33] var_1_7 = var_1_6 [L34] var_1_8 = var_1_9 [L35] COND TRUE (0.5 + var_1_8) != (var_1_8 * 0.5) [L36] COND TRUE \read(var_1_4) [L37] var_1_1 = var_1_5 [L65] RET step() [L66] CALL, EXPR property() [L56-L57] return (((((0.5 + var_1_8) != (var_1_8 * 0.5)) ? (var_1_4 ? (var_1_1 == ((unsigned short int) var_1_5)) : 1) : (var_1_1 == ((unsigned short int) var_1_5))) && (var_1_6 == ((unsigned short int) var_1_5))) && (var_1_7 == ((signed long int) var_1_6))) && (var_1_8 == ((double) var_1_9)) ; [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=64, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=64, var_1_8=10000004, var_1_9=10000004] [L19] reach_error() VAL [isInitial=1, var_1_1=64, var_1_4=1, var_1_5=64, var_1_6=64, var_1_7=64, var_1_8=10000004, var_1_9=10000004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 5, 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=17occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 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 05:38:57,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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_7e3911ab-8c7b-474b-95e4-71096d6155b2/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 a2516b40220938196b9b667879c45993cd4bcecc3daa1c811132234d646c2577 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:39:00,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:39:00,646 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:39:00,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:39:00,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:39:00,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:39:00,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:39:00,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:39:00,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:39:00,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:39:00,705 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:39:00,705 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:39:00,706 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:39:00,706 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:39:00,707 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:39:00,707 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:39:00,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:39:00,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:39:00,710 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:39:00,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:39:00,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:39:00,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:39:00,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:39:00,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:39:00,713 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:39:00,713 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:39:00,714 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:39:00,715 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:39:00,715 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:39:00,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:39:00,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:39:00,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:39:00,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:39:00,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:39:00,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:39:00,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:39:00,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:39:00,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:39:00,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:39:00,721 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:39:00,721 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:39:00,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:39:00,722 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:39:00,723 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_7e3911ab-8c7b-474b-95e4-71096d6155b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2516b40220938196b9b667879c45993cd4bcecc3daa1c811132234d646c2577 [2024-11-09 05:39:01,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:39:01,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:39:01,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:39:01,264 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:39:01,265 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:39:01,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i Unable to find full path for "g++" [2024-11-09 05:39:04,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:39:04,288 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:39:04,289 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i [2024-11-09 05:39:04,300 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/data/f2d82fc48/10495a1cc16d486b8b23658121f1b5a2/FLAG9a48445d2 [2024-11-09 05:39:04,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/data/f2d82fc48/10495a1cc16d486b8b23658121f1b5a2 [2024-11-09 05:39:04,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:39:04,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:39:04,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:39:04,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:39:04,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:39:04,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:39:04" (1/1) ... [2024-11-09 05:39:04,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cbac88c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:04, skipping insertion in model container [2024-11-09 05:39:04,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:39:04" (1/1) ... [2024-11-09 05:39:04,380 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:39:04,643 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_7e3911ab-8c7b-474b-95e4-71096d6155b2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i[915,928] [2024-11-09 05:39:04,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:39:04,713 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:39:04,730 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_7e3911ab-8c7b-474b-95e4-71096d6155b2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i[915,928] [2024-11-09 05:39:04,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:39:04,772 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:39:04,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:04 WrapperNode [2024-11-09 05:39:04,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:39:04,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:39:04,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:39:04,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:39:04,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:04" (1/1) ... [2024-11-09 05:39:04,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:04" (1/1) ... [2024-11-09 05:39:04,827 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 61 [2024-11-09 05:39:04,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:39:04,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:39:04,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:39:04,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:39:04,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:04" (1/1) ... [2024-11-09 05:39:04,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:04" (1/1) ... [2024-11-09 05:39:04,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:04" (1/1) ... [2024-11-09 05:39:04,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:04" (1/1) ... [2024-11-09 05:39:04,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:04" (1/1) ... [2024-11-09 05:39:04,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:04" (1/1) ... [2024-11-09 05:39:04,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:04" (1/1) ... [2024-11-09 05:39:04,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:04" (1/1) ... [2024-11-09 05:39:04,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:39:04,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:39:04,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:39:04,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:39:04,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:04" (1/1) ... [2024-11-09 05:39:04,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:39:04,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:39:04,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:39:04,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:39:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:39:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:39:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:39:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:39:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:39:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:39:05,095 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:39:05,098 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:39:06,879 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 05:39:06,879 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:39:06,895 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:39:06,896 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:39:06,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:39:06 BoogieIcfgContainer [2024-11-09 05:39:06,897 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:39:06,899 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:39:06,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:39:06,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:39:06,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:39:04" (1/3) ... [2024-11-09 05:39:06,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70736b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:39:06, skipping insertion in model container [2024-11-09 05:39:06,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:04" (2/3) ... [2024-11-09 05:39:06,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70736b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:39:06, skipping insertion in model container [2024-11-09 05:39:06,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:39:06" (3/3) ... [2024-11-09 05:39:06,908 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-27.i [2024-11-09 05:39:06,932 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:39:06,932 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:39:07,012 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:39:07,020 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;@7f1a1c0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:39:07,021 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:39:07,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 states have internal predecessors, (28), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 05:39:07,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 05:39:07,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:07,047 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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 05:39:07,048 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:39:07,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:07,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1692204543, now seen corresponding path program 1 times [2024-11-09 05:39:07,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:07,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063208935] [2024-11-09 05:39:07,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:07,075 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 05:39:07,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:07,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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 05:39:07,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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 05:39:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:07,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:39:07,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:07,490 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:39:07,491 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:07,492 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:07,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063208935] [2024-11-09 05:39:07,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1063208935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:07,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:07,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:39:07,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240523731] [2024-11-09 05:39:07,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:07,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:39:07,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:07,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:39:07,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:39:07,537 INFO L87 Difference]: Start difference. First operand has 29 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 states have internal predecessors, (28), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:39:07,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:07,582 INFO L93 Difference]: Finished difference Result 51 states and 75 transitions. [2024-11-09 05:39:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:39:07,589 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2024-11-09 05:39:07,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:07,600 INFO L225 Difference]: With dead ends: 51 [2024-11-09 05:39:07,604 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 05:39:07,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 37 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 05:39:07,640 INFO L432 NwaCegarLoop]: 31 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, 31 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 05:39:07,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:39:07,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 05:39:07,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-09 05:39:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 05:39:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2024-11-09 05:39:07,697 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 38 [2024-11-09 05:39:07,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:07,698 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2024-11-09 05:39:07,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:39:07,698 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-09 05:39:07,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 05:39:07,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:07,701 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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 05:39:07,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 05:39:07,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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 05:39:07,903 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:39:07,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:07,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1038390273, now seen corresponding path program 1 times [2024-11-09 05:39:07,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:07,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109857993] [2024-11-09 05:39:07,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:07,906 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 05:39:07,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:07,910 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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 05:39:07,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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 05:39:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:08,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 05:39:08,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:16,266 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 05:39:16,267 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:16,267 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:16,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109857993] [2024-11-09 05:39:16,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109857993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:16,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:16,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 05:39:16,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964604301] [2024-11-09 05:39:16,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:16,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 05:39:16,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:16,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 05:39:16,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:39:16,272 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:39:18,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:22,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:22,676 INFO L93 Difference]: Finished difference Result 59 states and 66 transitions. [2024-11-09 05:39:22,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 05:39:22,678 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 38 [2024-11-09 05:39:22,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:22,680 INFO L225 Difference]: With dead ends: 59 [2024-11-09 05:39:22,680 INFO L226 Difference]: Without dead ends: 57 [2024-11-09 05:39:22,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2024-11-09 05:39:22,683 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 57 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:22,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 109 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-09 05:39:22,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-09 05:39:22,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 40. [2024-11-09 05:39:22,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 29 states have (on average 1.103448275862069) internal successors, (32), 30 states have internal predecessors, (32), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 05:39:22,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2024-11-09 05:39:22,712 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 38 [2024-11-09 05:39:22,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:22,714 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2024-11-09 05:39:22,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:39:22,715 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2024-11-09 05:39:22,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 05:39:22,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:22,718 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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 05:39:22,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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 05:39:22,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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 05:39:22,919 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:39:22,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:22,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1891614094, now seen corresponding path program 1 times [2024-11-09 05:39:22,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:22,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1431478774] [2024-11-09 05:39:22,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:22,922 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 05:39:22,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:22,926 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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 05:39:22,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 05:39:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:23,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 05:39:23,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:55,182 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 05:39:55,182 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:55,183 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:55,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1431478774] [2024-11-09 05:39:55,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1431478774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:55,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:55,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 05:39:55,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083672545] [2024-11-09 05:39:55,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:55,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 05:39:55,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:55,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 05:39:55,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:39:55,187 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:40:10,321 WARN L286 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:40:21,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:24,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:34,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:51,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:40:52,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:52,200 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2024-11-09 05:40:52,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 05:40:52,210 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 39 [2024-11-09 05:40:52,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:52,210 INFO L225 Difference]: With dead ends: 63 [2024-11-09 05:40:52,210 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:40:52,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 55.7s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2024-11-09 05:40:52,212 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 49 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:52,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 164 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 20.3s Time] [2024-11-09 05:40:52,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:40:52,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:40:52,214 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 05:40:52,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:40:52,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2024-11-09 05:40:52,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:52,215 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:40:52,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:40:52,216 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:40:52,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:40:52,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:40:52,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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)] Ended with exit code 0 [2024-11-09 05:40:52,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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 05:40:52,423 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 05:40:52,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:41:01,744 WARN L286 SmtUtils]: Spent 5.91s on a formula simplification. DAG size of input: 85 DAG size of output: 3 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-09 05:41:11,772 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification. DAG size of input: 86 DAG size of output: 8 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-09 05:41:15,325 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:41:15,339 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 05:41:15,340 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 05:41:15,340 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 05:41:15,340 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 05:41:15,341 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 05:41:15,341 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 05:41:15,345 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 05:41:15,345 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 05:41:15,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 05:41:15,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 05:41:15,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:41:15 BoogieIcfgContainer [2024-11-09 05:41:15,351 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:41:15,352 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:41:15,352 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:41:15,352 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:41:15,353 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:39:06" (3/4) ... [2024-11-09 05:41:15,355 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:41:15,373 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 05:41:15,379 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 05:41:15,379 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 05:41:15,379 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 05:41:15,380 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:41:15,475 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:41:15,476 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:41:15,476 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:41:15,476 INFO L158 Benchmark]: Toolchain (without parser) took 131154.97ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 58.5MB in the beginning and 69.2MB in the end (delta: -10.7MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-11-09 05:41:15,477 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 65.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:41:15,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.47ms. Allocated memory is still 79.7MB. Free memory was 58.3MB in the beginning and 44.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:41:15,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.91ms. Allocated memory is still 79.7MB. Free memory was 44.7MB in the beginning and 42.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:41:15,478 INFO L158 Benchmark]: Boogie Preprocessor took 44.02ms. Allocated memory is still 79.7MB. Free memory was 42.9MB in the beginning and 41.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:41:15,478 INFO L158 Benchmark]: RCFGBuilder took 2020.20ms. Allocated memory is still 79.7MB. Free memory was 41.4MB in the beginning and 49.4MB in the end (delta: -8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:41:15,480 INFO L158 Benchmark]: TraceAbstraction took 128451.97ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 48.8MB in the beginning and 32.7MB in the end (delta: 16.1MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2024-11-09 05:41:15,480 INFO L158 Benchmark]: Witness Printer took 124.01ms. Allocated memory is still 96.5MB. Free memory was 32.7MB in the beginning and 69.2MB in the end (delta: -36.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:41:15,482 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 65.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.47ms. Allocated memory is still 79.7MB. Free memory was 58.3MB in the beginning and 44.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.91ms. Allocated memory is still 79.7MB. Free memory was 44.7MB in the beginning and 42.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.02ms. Allocated memory is still 79.7MB. Free memory was 42.9MB in the beginning and 41.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2020.20ms. Allocated memory is still 79.7MB. Free memory was 41.4MB in the beginning and 49.4MB in the end (delta: -8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 128451.97ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 48.8MB in the beginning and 32.7MB in the end (delta: 16.1MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Witness Printer took 124.01ms. Allocated memory is still 96.5MB. Free memory was 32.7MB in the beginning and 69.2MB in the end (delta: -36.6MB). Peak memory consumption was 2.1MB. 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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 105.4s, OverallIterations: 3, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 63.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 24.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 304 SdHoareTripleChecker+Invalid, 24.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 215 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 320 IncrementalHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 89 mSDtfsCounter, 320 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 58.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=2, InterpolantAutomatonStates: 41, 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, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 40.1s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 608 SizeOfPredicates, 16 NumberOfNonLiveVariables, 219 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 120/120 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_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 05:41:15,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3911ab-8c7b-474b-95e4-71096d6155b2/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 Writing output log to file Ultimate.log Result: TRUE