./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/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_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/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_aa1e59b1-76b6-4efb-bd76-95959bf157e3/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 2c04fa9e35f4863ffa3e38fc942000589ae498f8db4e626f7ee6fb3d8c4e793d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:38:20,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:38:20,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:38:20,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:38:20,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:38:20,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:38:20,583 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:38:20,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:38:20,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:38:20,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:38:20,586 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:38:20,586 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:38:20,587 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:38:20,592 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:38:20,593 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:38:20,593 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:38:20,593 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:38:20,594 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:38:20,594 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:38:20,595 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:38:20,595 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:38:20,596 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:38:20,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:38:20,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:38:20,598 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:38:20,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:38:20,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:38:20,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:38:20,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:38:20,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:38:20,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:38:20,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:38:20,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:38:20,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:38:20,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:38:20,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:38:20,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:38:20,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:38:20,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:38:20,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:38:20,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:38:20,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:38:20,605 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:38:20,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:38:20,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:38:20,607 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:38:20,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:38:20,607 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_aa1e59b1-76b6-4efb-bd76-95959bf157e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c04fa9e35f4863ffa3e38fc942000589ae498f8db4e626f7ee6fb3d8c4e793d [2024-11-09 04:38:20,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:38:20,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:38:20,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:38:20,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:38:20,959 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:38:20,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i Unable to find full path for "g++" [2024-11-09 04:38:23,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:38:23,269 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:38:23,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i [2024-11-09 04:38:23,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/data/d48980562/cff36bcd44ed46eca105cdd301883d02/FLAGaa77b91ff [2024-11-09 04:38:23,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/data/d48980562/cff36bcd44ed46eca105cdd301883d02 [2024-11-09 04:38:23,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:38:23,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:38:23,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:38:23,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:38:23,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:38:23,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:38:23" (1/1) ... [2024-11-09 04:38:23,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7310bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:23, skipping insertion in model container [2024-11-09 04:38:23,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:38:23" (1/1) ... [2024-11-09 04:38:23,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:38:23,539 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_aa1e59b1-76b6-4efb-bd76-95959bf157e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i[916,929] [2024-11-09 04:38:23,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:38:23,635 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:38:23,649 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_aa1e59b1-76b6-4efb-bd76-95959bf157e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i[916,929] [2024-11-09 04:38:23,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:38:23,700 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:38:23,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:23 WrapperNode [2024-11-09 04:38:23,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:38:23,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:38:23,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:38:23,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:38:23,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:23" (1/1) ... [2024-11-09 04:38:23,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:23" (1/1) ... [2024-11-09 04:38:23,770 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-09 04:38:23,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:38:23,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:38:23,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:38:23,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:38:23,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:23" (1/1) ... [2024-11-09 04:38:23,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:23" (1/1) ... [2024-11-09 04:38:23,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:23" (1/1) ... [2024-11-09 04:38:23,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:23" (1/1) ... [2024-11-09 04:38:23,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:23" (1/1) ... [2024-11-09 04:38:23,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:23" (1/1) ... [2024-11-09 04:38:23,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:23" (1/1) ... [2024-11-09 04:38:23,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:23" (1/1) ... [2024-11-09 04:38:23,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:38:23,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:38:23,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:38:23,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:38:23,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:23" (1/1) ... [2024-11-09 04:38:23,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:38:23,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:38:23,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:38:23,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:38:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:38:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:38:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:38:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:38:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:38:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:38:24,061 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:38:24,068 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:38:24,448 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 04:38:24,448 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:38:24,656 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:38:24,657 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:38:24,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:38:24 BoogieIcfgContainer [2024-11-09 04:38:24,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:38:24,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:38:24,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:38:24,666 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:38:24,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:38:23" (1/3) ... [2024-11-09 04:38:24,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717f5353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:38:24, skipping insertion in model container [2024-11-09 04:38:24,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:23" (2/3) ... [2024-11-09 04:38:24,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717f5353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:38:24, skipping insertion in model container [2024-11-09 04:38:24,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:38:24" (3/3) ... [2024-11-09 04:38:24,673 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-11.i [2024-11-09 04:38:24,696 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:38:24,696 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:38:24,780 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:38:24,789 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;@1441b9ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:38:24,790 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:38:24,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 04:38:24,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 04:38:24,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:24,808 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:38:24,808 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:24,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:24,815 INFO L85 PathProgramCache]: Analyzing trace with hash -152301592, now seen corresponding path program 1 times [2024-11-09 04:38:24,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:38:24,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114639097] [2024-11-09 04:38:24,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:24,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:38:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:38:25,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:38:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:38:25,484 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:38:25,486 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:38:25,488 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:38:25,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:38:25,495 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:38:25,568 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:38:25,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:38:25 BoogieIcfgContainer [2024-11-09 04:38:25,572 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:38:25,573 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:38:25,573 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:38:25,573 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:38:25,574 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:38:24" (3/4) ... [2024-11-09 04:38:25,577 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:38:25,579 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:38:25,580 INFO L158 Benchmark]: Toolchain (without parser) took 2280.05ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 65.8MB in the beginning and 114.4MB in the end (delta: -48.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:38:25,581 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:38:25,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.79ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 65.6MB in the beginning and 136.9MB in the end (delta: -71.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-09 04:38:25,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.77ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 134.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:38:25,584 INFO L158 Benchmark]: Boogie Preprocessor took 50.93ms. Allocated memory is still 167.8MB. Free memory was 134.0MB in the beginning and 131.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:38:25,585 INFO L158 Benchmark]: RCFGBuilder took 834.56ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 105.4MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 04:38:25,585 INFO L158 Benchmark]: TraceAbstraction took 911.40ms. Allocated memory is still 167.8MB. Free memory was 104.6MB in the beginning and 114.4MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:38:25,586 INFO L158 Benchmark]: Witness Printer took 6.07ms. Allocated memory is still 167.8MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:38:25,590 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.79ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 65.6MB in the beginning and 136.9MB in the end (delta: -71.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.77ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 134.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.93ms. Allocated memory is still 167.8MB. Free memory was 134.0MB in the beginning and 131.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 834.56ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 105.4MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 911.40ms. Allocated memory is still 167.8MB. Free memory was 104.6MB in the beginning and 114.4MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.07ms. Allocated memory is still 167.8MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] signed long int var_1_2 = 50; [L24] signed long int var_1_3 = 7; [L25] signed char var_1_7 = 10; [L26] signed long int var_1_8 = 32; [L27] signed long int var_1_9 = 1000000; [L28] signed long int var_1_10 = 2; [L29] unsigned char var_1_11 = 1; [L30] unsigned char var_1_12 = 1; [L31] unsigned char var_1_13 = 1; [L32] unsigned char var_1_14 = 5; [L33] unsigned char var_1_15 = 200; [L34] unsigned char var_1_16 = 10; [L35] unsigned char var_1_17 = 1; [L36] unsigned char last_1_var_1_11 = 1; [L108] isInitial = 1 [L109] FCALL initially() [L110] COND TRUE 1 [L111] CALL updateLastVariables() [L101] last_1_var_1_11 = var_1_11 [L111] RET updateLastVariables() [L112] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=7, var_1_7=10, var_1_8=32, var_1_9=1000000] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=7, var_1_7=10, var_1_8=32, var_1_9=1000000] [L71] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=7, var_1_7=10, var_1_8=32, var_1_9=1000000] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=7, var_1_7=10, var_1_8=32, var_1_9=1000000] [L72] var_1_3 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=10, var_1_8=32, var_1_9=1000000] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=10, var_1_8=32, var_1_9=1000000] [L74] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=10, var_1_8=32, var_1_9=1000000] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=10, var_1_8=32, var_1_9=1000000] [L75] var_1_7 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=1000000] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=1000000] [L77] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=1000000] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=1000000] [L78] var_1_9 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L80] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L81] var_1_10 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L83] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L84] var_1_12 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L86] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L87] var_1_13 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L89] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L90] var_1_15 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L92] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L93] var_1_16 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L95] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=6, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=6, var_1_17=1, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L96] var_1_17 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=6, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=6, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L98] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=6, var_1_17=7, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=6, var_1_17=7, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L112] RET updateVariables() [L113] CALL step() [L40] COND TRUE var_1_3 >= var_1_2 [L41] COND TRUE \read(last_1_var_1_11) [L42] COND FALSE !(! last_1_var_1_11) [L45] var_1_8 = var_1_9 [L49] COND TRUE var_1_8 <= var_1_8 [L50] var_1_11 = (var_1_12 || var_1_13) [L52] unsigned char stepLocal_0 = var_1_11; [L53] COND FALSE !((var_1_2 - 5.25) < (var_1_8 * (var_1_8 * 199.4))) [L62] COND FALSE !(! var_1_11) [L65] var_1_14 = var_1_16 [L113] RET step() [L114] CALL, EXPR property() [L104-L105] return (((((var_1_2 - 5.25) < (var_1_8 * (var_1_8 * 199.4))) ? ((var_1_11 && var_1_11) ? ((var_1_8 < var_1_8) ? (var_1_1 == ((signed char) var_1_7)) : (var_1_1 == ((signed char) var_1_7))) : 1) : 1) && ((var_1_3 >= var_1_2) ? (last_1_var_1_11 ? ((! last_1_var_1_11) ? (var_1_8 == ((signed long int) ((((var_1_9) > ((10.25f + var_1_10))) ? (var_1_9) : ((10.25f + var_1_10)))))) : (var_1_8 == ((signed long int) var_1_9))) : 1) : 1)) && ((var_1_8 <= var_1_8) ? (var_1_11 == ((unsigned char) (var_1_12 || var_1_13))) : 1)) && ((! var_1_11) ? (var_1_14 == ((unsigned char) ((((((((var_1_15) < (((((var_1_16) > (5)) ? (var_1_16) : (5))))) ? (var_1_15) : (((((var_1_16) > (5)) ? (var_1_16) : (5))))))) < (var_1_17)) ? (((((var_1_15) < (((((var_1_16) > (5)) ? (var_1_16) : (5))))) ? (var_1_15) : (((((var_1_16) > (5)) ? (var_1_16) : (5))))))) : (var_1_17))))) : (var_1_14 == ((unsigned char) var_1_16))) ; [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=6, var_1_15=6, var_1_16=6, var_1_17=7, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=6, var_1_15=6, var_1_16=6, var_1_17=7, var_1_1=-16, var_1_2=0, var_1_3=0, var_1_7=-15, var_1_8=32, var_1_9=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 20, 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=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 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 04:38:25,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/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_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/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_aa1e59b1-76b6-4efb-bd76-95959bf157e3/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 2c04fa9e35f4863ffa3e38fc942000589ae498f8db4e626f7ee6fb3d8c4e793d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:38:28,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:38:28,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:38:28,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:38:28,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:38:28,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:38:28,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:38:28,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:38:28,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:38:28,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:38:28,729 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:38:28,730 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:38:28,730 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:38:28,731 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:38:28,731 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:38:28,732 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:38:28,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:38:28,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:38:28,733 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:38:28,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:38:28,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:38:28,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:38:28,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:38:28,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:38:28,739 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:38:28,740 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:38:28,740 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:38:28,740 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:38:28,741 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:38:28,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:38:28,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:38:28,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:38:28,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:38:28,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:38:28,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:38:28,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:38:28,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:38:28,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:38:28,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:38:28,750 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:38:28,750 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:38:28,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:38:28,760 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:38:28,760 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_aa1e59b1-76b6-4efb-bd76-95959bf157e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c04fa9e35f4863ffa3e38fc942000589ae498f8db4e626f7ee6fb3d8c4e793d [2024-11-09 04:38:29,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:38:29,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:38:29,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:38:29,304 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:38:29,305 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:38:29,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i Unable to find full path for "g++" [2024-11-09 04:38:31,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:38:31,933 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:38:31,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i [2024-11-09 04:38:31,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/data/b0cd3d742/65cf8be0f8db47ac8d7ac5f24d78de09/FLAGd876101da [2024-11-09 04:38:31,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/data/b0cd3d742/65cf8be0f8db47ac8d7ac5f24d78de09 [2024-11-09 04:38:31,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:38:31,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:38:31,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:38:31,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:38:31,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:38:31,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:38:31" (1/1) ... [2024-11-09 04:38:31,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d3c9a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:31, skipping insertion in model container [2024-11-09 04:38:31,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:38:31" (1/1) ... [2024-11-09 04:38:32,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:38:32,337 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_aa1e59b1-76b6-4efb-bd76-95959bf157e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i[916,929] [2024-11-09 04:38:32,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:38:32,461 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:38:32,479 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_aa1e59b1-76b6-4efb-bd76-95959bf157e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i[916,929] [2024-11-09 04:38:32,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:38:32,565 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:38:32,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:32 WrapperNode [2024-11-09 04:38:32,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:38:32,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:38:32,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:38:32,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:38:32,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:32" (1/1) ... [2024-11-09 04:38:32,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:32" (1/1) ... [2024-11-09 04:38:32,637 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-09 04:38:32,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:38:32,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:38:32,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:38:32,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:38:32,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:32" (1/1) ... [2024-11-09 04:38:32,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:32" (1/1) ... [2024-11-09 04:38:32,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:32" (1/1) ... [2024-11-09 04:38:32,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:32" (1/1) ... [2024-11-09 04:38:32,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:32" (1/1) ... [2024-11-09 04:38:32,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:32" (1/1) ... [2024-11-09 04:38:32,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:32" (1/1) ... [2024-11-09 04:38:32,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:32" (1/1) ... [2024-11-09 04:38:32,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:38:32,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:38:32,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:38:32,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:38:32,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:32" (1/1) ... [2024-11-09 04:38:32,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:38:32,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:38:32,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:38:32,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:38:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:38:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:38:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:38:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:38:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:38:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:38:32,958 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:38:32,961 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:38:40,954 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 04:38:40,955 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:38:40,979 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:38:40,980 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:38:40,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:38:40 BoogieIcfgContainer [2024-11-09 04:38:40,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:38:40,984 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:38:40,984 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:38:40,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:38:40,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:38:31" (1/3) ... [2024-11-09 04:38:40,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efdd3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:38:40, skipping insertion in model container [2024-11-09 04:38:40,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:38:32" (2/3) ... [2024-11-09 04:38:40,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efdd3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:38:40, skipping insertion in model container [2024-11-09 04:38:40,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:38:40" (3/3) ... [2024-11-09 04:38:40,996 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-11.i [2024-11-09 04:38:41,023 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:38:41,024 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:38:41,131 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:38:41,140 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;@7e291eb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:38:41,141 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:38:41,147 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 04:38:41,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 04:38:41,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:41,175 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:38:41,176 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:41,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:41,184 INFO L85 PathProgramCache]: Analyzing trace with hash 586922135, now seen corresponding path program 1 times [2024-11-09 04:38:41,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:38:41,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113406844] [2024-11-09 04:38:41,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:41,205 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:41,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:38:41,210 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:38:41,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 04:38:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:41,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:38:41,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:41,987 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-09 04:38:41,987 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:38:41,988 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:38:41,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113406844] [2024-11-09 04:38:41,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [113406844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:38:41,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:38:41,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:38:41,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108906144] [2024-11-09 04:38:41,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:38:42,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:38:42,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:38:42,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:38:42,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:38:42,047 INFO L87 Difference]: Start difference. First operand has 58 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 04:38:42,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:38:42,104 INFO L93 Difference]: Finished difference Result 109 states and 190 transitions. [2024-11-09 04:38:42,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:38:42,107 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-11-09 04:38:42,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:38:42,121 INFO L225 Difference]: With dead ends: 109 [2024-11-09 04:38:42,122 INFO L226 Difference]: Without dead ends: 54 [2024-11-09 04:38:42,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:38:42,135 INFO L432 NwaCegarLoop]: 79 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, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:38:42,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:38:42,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-09 04:38:42,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-09 04:38:42,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 04:38:42,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions. [2024-11-09 04:38:42,195 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 124 [2024-11-09 04:38:42,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:38:42,195 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions. [2024-11-09 04:38:42,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 04:38:42,196 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-11-09 04:38:42,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 04:38:42,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:42,200 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:38:42,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 04:38:42,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:42,402 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:42,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:42,403 INFO L85 PathProgramCache]: Analyzing trace with hash 628576407, now seen corresponding path program 1 times [2024-11-09 04:38:42,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:38:42,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188174956] [2024-11-09 04:38:42,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:42,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:42,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:38:42,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:38:42,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 04:38:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:43,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 04:38:43,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 379 proven. 21 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-09 04:38:44,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:38:45,929 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-09 04:38:45,930 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:38:45,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1188174956] [2024-11-09 04:38:45,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1188174956] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:38:45,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1547596193] [2024-11-09 04:38:45,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:45,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:38:45,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:38:45,936 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:38:45,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa1e59b1-76b6-4efb-bd76-95959bf157e3/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 04:38:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:46,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 04:38:46,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:39:23,450 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 (= (_ bv0 8) c_~var_1_12~0)) (.cse1 (= (_ bv0 8) c_~var_1_13~0))) (or (and (= (_ bv1 8) c_~var_1_11~0) (or (not .cse0) (not .cse1))) (and .cse0 .cse1 (= (_ bv0 8) c_~var_1_11~0)))) (not (bvsge c_~var_1_3~0 c_~var_1_2~0)) (not (fp.lt (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_2~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0)))))))) is different from false [2024-11-09 04:39:25,505 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse0 (= (_ bv0 8) c_~var_1_12~0)) (.cse1 (= (_ bv0 8) c_~var_1_13~0))) (or (and (= (_ bv1 8) c_~var_1_11~0) (or (not .cse0) (not .cse1))) (and .cse0 .cse1 (= (_ bv0 8) c_~var_1_11~0)))) (not (bvsge c_~var_1_3~0 c_~var_1_2~0)) (not (fp.lt (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_2~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0)))))))) is different from true [2024-11-09 04:42:35,510 WARN L851 $PredicateComparison]: unable to prove that (and (= (_ bv0 8) c_~var_1_12~0) (let ((.cse9 ((_ zero_extend 24) c_~var_1_15~0)) (.cse8 ((_ zero_extend 24) c_~var_1_17~0))) (let ((.cse3 (= c_~var_1_14~0 ((_ extract 7 0) .cse8))) (.cse12 (bvslt .cse9 .cse8))) (let ((.cse5 ((_ zero_extend 24) c_~var_1_16~0)) (.cse10 (and .cse3 (not .cse12))) (.cse11 (and (= ((_ extract 7 0) .cse9) c_~var_1_14~0) .cse12))) (let ((.cse4 (bvslt (_ bv5 32) .cse8)) (.cse2 (or .cse10 .cse11)) (.cse0 (bvslt .cse9 .cse5))) (or (and (not .cse0) (let ((.cse1 (bvslt .cse9 (_ bv5 32)))) (or (and .cse1 .cse2) (and (not .cse1) (or (and .cse3 (not .cse4)) (and (let ((.cse7 (bvslt .cse5 .cse8))) (or (and (let ((.cse6 (bvsgt .cse5 (_ bv5 32)))) (or (and (= c_~var_1_14~0 ((_ extract 7 0) .cse5)) .cse6) (and (not .cse6) (= (_ bv5 8) c_~var_1_14~0)))) .cse7) (and (not .cse7) .cse3))) .cse4)))))) (and (or (and .cse4 .cse2) .cse10 .cse11) .cse0)))))) (not (bvsge c_~var_1_3~0 c_~var_1_2~0)) (not (fp.lt (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_2~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse13 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse13 (fp.mul c_currentRoundingMode .cse13 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (= (_ bv0 8) c_~var_1_13~0) (= (_ bv0 8) c_~var_1_11~0)) is different from false [2024-11-09 04:42:37,577 WARN L873 $PredicateComparison]: unable to prove that (and (= (_ bv0 8) c_~var_1_12~0) (let ((.cse9 ((_ zero_extend 24) c_~var_1_15~0)) (.cse8 ((_ zero_extend 24) c_~var_1_17~0))) (let ((.cse3 (= c_~var_1_14~0 ((_ extract 7 0) .cse8))) (.cse12 (bvslt .cse9 .cse8))) (let ((.cse5 ((_ zero_extend 24) c_~var_1_16~0)) (.cse10 (and .cse3 (not .cse12))) (.cse11 (and (= ((_ extract 7 0) .cse9) c_~var_1_14~0) .cse12))) (let ((.cse4 (bvslt (_ bv5 32) .cse8)) (.cse2 (or .cse10 .cse11)) (.cse0 (bvslt .cse9 .cse5))) (or (and (not .cse0) (let ((.cse1 (bvslt .cse9 (_ bv5 32)))) (or (and .cse1 .cse2) (and (not .cse1) (or (and .cse3 (not .cse4)) (and (let ((.cse7 (bvslt .cse5 .cse8))) (or (and (let ((.cse6 (bvsgt .cse5 (_ bv5 32)))) (or (and (= c_~var_1_14~0 ((_ extract 7 0) .cse5)) .cse6) (and (not .cse6) (= (_ bv5 8) c_~var_1_14~0)))) .cse7) (and (not .cse7) .cse3))) .cse4)))))) (and (or (and .cse4 .cse2) .cse10 .cse11) .cse0)))))) (not (bvsge c_~var_1_3~0 c_~var_1_2~0)) (not (fp.lt (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_2~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse13 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse13 (fp.mul c_currentRoundingMode .cse13 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (= (_ bv0 8) c_~var_1_13~0) (= (_ bv0 8) c_~var_1_11~0)) is different from true