./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-65.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_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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 e03576b009d4d466bb93ae3e10eae3d055a6fdb65b80bf301dc2897b34d3bc27 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:22:14,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:22:14,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:22:14,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:22:14,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:22:14,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:22:14,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:22:14,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:22:14,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:22:14,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:22:14,852 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:22:14,852 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:22:14,853 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:22:14,853 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:22:14,854 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:22:14,858 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:22:14,859 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:22:14,859 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:22:14,859 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:22:14,860 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:22:14,860 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:22:14,861 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:22:14,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:22:14,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:22:14,862 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:22:14,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:22:14,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:22:14,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:22:14,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:22:14,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:22:14,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:22:14,867 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:22:14,868 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:22:14,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:22:14,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:22:14,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:22:14,870 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:22:14,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:22:14,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:22:14,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:22:14,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:22:14,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:22:14,872 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:22:14,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:22:14,873 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:22:14,874 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:22:14,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:22:14,875 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_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e03576b009d4d466bb93ae3e10eae3d055a6fdb65b80bf301dc2897b34d3bc27 [2024-11-09 05:22:15,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:22:15,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:22:15,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:22:15,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:22:15,267 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:22:15,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-65.i Unable to find full path for "g++" [2024-11-09 05:22:17,342 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:22:17,600 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:22:17,601 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-65.i [2024-11-09 05:22:17,612 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/data/5f114d299/68e9235e426a48109019274de0b66e79/FLAG7f1858999 [2024-11-09 05:22:17,631 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/data/5f114d299/68e9235e426a48109019274de0b66e79 [2024-11-09 05:22:17,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:22:17,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:22:17,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:22:17,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:22:17,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:22:17,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:22:17" (1/1) ... [2024-11-09 05:22:17,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a23b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:17, skipping insertion in model container [2024-11-09 05:22:17,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:22:17" (1/1) ... [2024-11-09 05:22:17,681 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:22:17,940 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_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-65.i[915,928] [2024-11-09 05:22:18,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:22:18,023 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:22:18,042 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_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-65.i[915,928] [2024-11-09 05:22:18,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:22:18,109 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:22:18,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:18 WrapperNode [2024-11-09 05:22:18,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:22:18,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:22:18,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:22:18,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:22:18,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:18" (1/1) ... [2024-11-09 05:22:18,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:18" (1/1) ... [2024-11-09 05:22:18,170 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-09 05:22:18,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:22:18,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:22:18,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:22:18,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:22:18,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:18" (1/1) ... [2024-11-09 05:22:18,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:18" (1/1) ... [2024-11-09 05:22:18,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:18" (1/1) ... [2024-11-09 05:22:18,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:18" (1/1) ... [2024-11-09 05:22:18,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:18" (1/1) ... [2024-11-09 05:22:18,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:18" (1/1) ... [2024-11-09 05:22:18,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:18" (1/1) ... [2024-11-09 05:22:18,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:18" (1/1) ... [2024-11-09 05:22:18,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:22:18,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:22:18,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:22:18,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:22:18,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:18" (1/1) ... [2024-11-09 05:22:18,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:22:18,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:22:18,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:22:18,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:22:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:22:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:22:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:22:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:22:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:22:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:22:18,442 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:22:18,444 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:22:18,746 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 05:22:18,746 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:22:18,914 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:22:18,914 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:22:18,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:22:18 BoogieIcfgContainer [2024-11-09 05:22:18,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:22:18,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:22:18,919 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:22:18,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:22:18,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:22:17" (1/3) ... [2024-11-09 05:22:18,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2708e52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:22:18, skipping insertion in model container [2024-11-09 05:22:18,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:18" (2/3) ... [2024-11-09 05:22:18,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2708e52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:22:18, skipping insertion in model container [2024-11-09 05:22:18,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:22:18" (3/3) ... [2024-11-09 05:22:18,929 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-65.i [2024-11-09 05:22:18,950 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:22:18,951 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:22:19,026 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:22:19,035 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;@42c395b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:22:19,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:22:19,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 05:22:19,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 05:22:19,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:22:19,056 INFO L215 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:19,056 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:22:19,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:22:19,062 INFO L85 PathProgramCache]: Analyzing trace with hash -829549366, now seen corresponding path program 1 times [2024-11-09 05:22:19,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:22:19,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790493658] [2024-11-09 05:22:19,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:22:19,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:22:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:22:19,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:22:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:22:19,678 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:22:19,681 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:22:19,682 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:22:19,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:22:19,692 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:22:19,772 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:22:19,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:22:19 BoogieIcfgContainer [2024-11-09 05:22:19,780 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:22:19,781 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:22:19,781 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:22:19,781 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:22:19,782 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:22:18" (3/4) ... [2024-11-09 05:22:19,788 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:22:19,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:22:19,792 INFO L158 Benchmark]: Toolchain (without parser) took 2155.77ms. Allocated memory is still 151.0MB. Free memory was 113.3MB in the beginning and 103.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-09 05:22:19,794 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 86.6MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:22:19,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.89ms. Allocated memory is still 151.0MB. Free memory was 113.3MB in the beginning and 98.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:22:19,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.67ms. Allocated memory is still 151.0MB. Free memory was 98.7MB in the beginning and 96.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:22:19,797 INFO L158 Benchmark]: Boogie Preprocessor took 52.29ms. Allocated memory is still 151.0MB. Free memory was 96.6MB in the beginning and 95.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:22:19,799 INFO L158 Benchmark]: RCFGBuilder took 686.33ms. Allocated memory is still 151.0MB. Free memory was 95.1MB in the beginning and 71.4MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 05:22:19,799 INFO L158 Benchmark]: TraceAbstraction took 861.64ms. Allocated memory is still 151.0MB. Free memory was 70.8MB in the beginning and 104.1MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:22:19,801 INFO L158 Benchmark]: Witness Printer took 9.85ms. Allocated memory is still 151.0MB. Free memory was 104.1MB in the beginning and 103.7MB in the end (delta: 399.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:22:19,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 86.6MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.89ms. Allocated memory is still 151.0MB. Free memory was 113.3MB in the beginning and 98.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.67ms. Allocated memory is still 151.0MB. Free memory was 98.7MB in the beginning and 96.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.29ms. Allocated memory is still 151.0MB. Free memory was 96.6MB in the beginning and 95.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 686.33ms. Allocated memory is still 151.0MB. Free memory was 95.1MB in the beginning and 71.4MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 861.64ms. Allocated memory is still 151.0MB. Free memory was 70.8MB in the beginning and 104.1MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.85ms. Allocated memory is still 151.0MB. Free memory was 104.1MB in the beginning and 103.7MB in the end (delta: 399.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 54, overapproximation of someUnaryFLOAToperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 1000000000.1; [L23] float var_1_2 = 256.75; [L24] unsigned char var_1_3 = 1; [L25] float var_1_4 = 8.2; [L26] signed long int var_1_5 = -32; [L27] signed long int var_1_6 = 4; [L28] signed char var_1_7 = 5; [L29] signed char var_1_8 = 64; [L30] signed char var_1_9 = 16; [L31] signed char var_1_10 = 64; [L32] signed char var_1_11 = -64; [L33] double var_1_12 = 15.9; [L34] double var_1_13 = 1.5; [L35] double var_1_14 = 10000000000.375; [L36] unsigned char var_1_15 = 1; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] FCALL updateLastVariables() [L103] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_float() [L64] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L65] var_1_3 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L67] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L68] var_1_4 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L70] var_1_6 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=64, var_1_9=16] [L72] CALL assume_abort_if_not(var_1_6 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_6 <= 1073741823) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=64, var_1_9=16] [L73] var_1_8 = __VERIFIER_nondet_char() [L74] CALL assume_abort_if_not(var_1_8 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=16] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_8 >= 63) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=16] [L75] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=16] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=16] [L76] var_1_9 = __VERIFIER_nondet_char() [L77] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L78] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L79] var_1_10 = __VERIFIER_nondet_char() [L80] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, var_1_10=5, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L81] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=5, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L82] var_1_12 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=-64, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=-64, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L84] var_1_13 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427387900e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=-64, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427387900e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=-64, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L86] var_1_14 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427387900e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=-64, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427387900e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=-64, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L88] var_1_15 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=-64, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=5, var_1_11=-64, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L90] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=-64, var_1_15=0, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=5, var_1_11=-64, var_1_15=0, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L103] RET updateVariables() [L104] CALL step() [L40] COND TRUE 0.625f > var_1_2 [L41] COND TRUE \read(var_1_3) [L42] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L47] COND TRUE \read(var_1_3) [L48] var_1_5 = ((10 + var_1_6) - 2) [L50] signed long int stepLocal_0 = var_1_6; [L51] COND TRUE ((64 - 25) - (var_1_8 - var_1_9)) >= stepLocal_0 [L52] var_1_7 = (((((var_1_9 - 32)) > (var_1_10)) ? ((var_1_9 - 32)) : (var_1_10))) [L54] COND TRUE (var_1_12 - (var_1_13 + var_1_14)) <= var_1_1 [L55] COND FALSE !(var_1_3 && var_1_15) [L58] var_1_11 = var_1_9 [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return ((((0.625f > var_1_2) ? (var_1_3 ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) : (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) && (var_1_3 ? (var_1_5 == ((signed long int) ((10 + var_1_6) - 2))) : 1)) && ((((64 - 25) - (var_1_8 - var_1_9)) >= var_1_6) ? (var_1_7 == ((signed char) (((((var_1_9 - 32)) > (var_1_10)) ? ((var_1_9 - 32)) : (var_1_10))))) : 1)) && (((var_1_12 - (var_1_13 + var_1_14)) <= var_1_1) ? ((var_1_3 && var_1_15) ? (var_1_11 == ((signed char) var_1_10)) : (var_1_11 == ((signed char) var_1_9))) : 1) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=5, var_1_11=37, var_1_15=0, var_1_1=10000000001/10, var_1_3=1, var_1_4=10000000001/10, var_1_5=21, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] [L19] reach_error() VAL [isInitial=1, var_1_10=5, var_1_11=37, var_1_15=0, var_1_1=10000000001/10, var_1_3=1, var_1_4=10000000001/10, var_1_5=21, var_1_6=13, var_1_7=5, var_1_8=63, var_1_9=37] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 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 05:22:19,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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 e03576b009d4d466bb93ae3e10eae3d055a6fdb65b80bf301dc2897b34d3bc27 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:22:22,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:22:22,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:22:22,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:22:22,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:22:22,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:22:22,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:22:22,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:22:22,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:22:22,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:22:22,960 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:22:22,960 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:22:22,960 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:22:22,961 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:22:22,964 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:22:22,964 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:22:22,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:22:22,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:22:22,966 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:22:22,971 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:22:22,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:22:22,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:22:22,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:22:22,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:22:22,973 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:22:22,973 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:22:22,973 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:22:22,974 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:22:22,974 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:22:22,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:22:22,975 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:22:22,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:22:22,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:22:22,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:22:22,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:22:22,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:22:22,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:22:22,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:22:22,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:22:22,981 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:22:22,981 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:22:22,983 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:22:22,983 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:22:22,983 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_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e03576b009d4d466bb93ae3e10eae3d055a6fdb65b80bf301dc2897b34d3bc27 [2024-11-09 05:22:23,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:22:23,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:22:23,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:22:23,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:22:23,468 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:22:23,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-65.i Unable to find full path for "g++" [2024-11-09 05:22:25,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:22:26,272 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:22:26,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-65.i [2024-11-09 05:22:26,287 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/data/ff3950aff/401a792177b84be6bf8171c0b5e3cc89/FLAG97d7d90b8 [2024-11-09 05:22:26,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/data/ff3950aff/401a792177b84be6bf8171c0b5e3cc89 [2024-11-09 05:22:26,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:22:26,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:22:26,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:22:26,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:22:26,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:22:26,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:22:26" (1/1) ... [2024-11-09 05:22:26,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c127547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:26, skipping insertion in model container [2024-11-09 05:22:26,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:22:26" (1/1) ... [2024-11-09 05:22:26,356 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:22:26,652 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_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-65.i[915,928] [2024-11-09 05:22:26,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:22:26,766 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:22:26,784 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_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-65.i[915,928] [2024-11-09 05:22:26,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:22:26,863 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:22:26,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:26 WrapperNode [2024-11-09 05:22:26,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:22:26,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:22:26,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:22:26,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:22:26,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:26" (1/1) ... [2024-11-09 05:22:26,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:26" (1/1) ... [2024-11-09 05:22:26,979 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-09 05:22:26,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:22:26,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:22:26,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:22:26,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:22:27,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:26" (1/1) ... [2024-11-09 05:22:27,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:26" (1/1) ... [2024-11-09 05:22:27,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:26" (1/1) ... [2024-11-09 05:22:27,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:26" (1/1) ... [2024-11-09 05:22:27,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:26" (1/1) ... [2024-11-09 05:22:27,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:26" (1/1) ... [2024-11-09 05:22:27,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:26" (1/1) ... [2024-11-09 05:22:27,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:26" (1/1) ... [2024-11-09 05:22:27,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:22:27,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:22:27,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:22:27,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:22:27,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:26" (1/1) ... [2024-11-09 05:22:27,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:22:27,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:22:27,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:22:27,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:22:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:22:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:22:27,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:22:27,136 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:22:27,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:22:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:22:27,254 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:22:27,260 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:22:31,857 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 05:22:31,857 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:22:31,879 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:22:31,879 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:22:31,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:22:31 BoogieIcfgContainer [2024-11-09 05:22:31,880 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:22:31,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:22:31,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:22:31,891 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:22:31,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:22:26" (1/3) ... [2024-11-09 05:22:31,892 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f10649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:22:31, skipping insertion in model container [2024-11-09 05:22:31,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:22:26" (2/3) ... [2024-11-09 05:22:31,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f10649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:22:31, skipping insertion in model container [2024-11-09 05:22:31,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:22:31" (3/3) ... [2024-11-09 05:22:31,895 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-65.i [2024-11-09 05:22:31,921 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:22:31,922 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:22:32,031 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:22:32,039 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;@81fb437, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:22:32,039 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:22:32,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 05:22:32,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 05:22:32,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:22:32,060 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:32,060 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:22:32,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:22:32,067 INFO L85 PathProgramCache]: Analyzing trace with hash 931334762, now seen corresponding path program 1 times [2024-11-09 05:22:32,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:22:32,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573384223] [2024-11-09 05:22:32,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:22:32,083 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 05:22:32,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:22:32,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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 05:22:32,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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 05:22:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:22:32,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:22:32,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:22:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-09 05:22:32,566 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:22:32,567 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:22:32,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573384223] [2024-11-09 05:22:32,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [573384223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:22:32,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:22:32,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:22:32,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581343500] [2024-11-09 05:22:32,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:22:32,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:22:32,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:22:32,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:22:32,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:22:32,612 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 05:22:32,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:22:32,658 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-09 05:22:32,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:22:32,661 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2024-11-09 05:22:32,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:22:32,671 INFO L225 Difference]: With dead ends: 101 [2024-11-09 05:22:32,671 INFO L226 Difference]: Without dead ends: 50 [2024-11-09 05:22:32,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 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 05:22:32,680 INFO L432 NwaCegarLoop]: 72 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, 72 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 05:22:32,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:22:32,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-09 05:22:32,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-09 05:22:32,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 05:22:32,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-09 05:22:32,751 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 110 [2024-11-09 05:22:32,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:22:32,755 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-09 05:22:32,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 05:22:32,756 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-09 05:22:32,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 05:22:32,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:22:32,763 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:32,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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 05:22:32,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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 05:22:32,965 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:22:32,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:22:32,966 INFO L85 PathProgramCache]: Analyzing trace with hash 537476068, now seen corresponding path program 1 times [2024-11-09 05:22:32,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:22:32,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217104348] [2024-11-09 05:22:32,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:22:32,968 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 05:22:32,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:22:32,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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 05:22:32,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1ea80d-5557-40b1-ab9f-8a21023bc40b/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 05:22:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:22:33,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 05:22:33,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:23:12,018 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvadd (_ bv4294967264 32) ((_ sign_extend 24) c_~var_1_9~0))) (.cse2 ((_ sign_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvsgt .cse0 .cse2))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_7~0) .cse1) (and (not .cse1) (= c_~var_1_7~0 ((_ extract 7 0) .cse2)))))) (let ((.cse3 (fp.lt c_~var_1_4~0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))))) (or (and (= c_~var_1_1~0 (fp.neg c_~var_1_4~0)) .cse3) (and (= c_~var_1_1~0 c_~var_1_4~0) (not .cse3)))) (= c_~var_1_5~0 (bvadd (_ bv8 32) c_~var_1_6~0)) (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_4~0 (fp.neg .cse4)) (fp.leq c_~var_1_4~0 (fp.neg .cse5))) (and (fp.geq c_~var_1_4~0 .cse5) (fp.leq c_~var_1_4~0 .cse4)))) (not (fp.leq (fp.sub c_currentRoundingMode c_~var_1_12~0 (fp.add c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0)))) is different from false