./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire --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 9892fa4411afdcbbbffaaa3a5f66b66df3561d966071f6e07747bea9e43a53de --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:04,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:04,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:36:04,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:04,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:04,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:04,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:04,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:04,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:04,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:04,754 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:04,754 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:04,755 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:04,757 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:36:04,758 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:04,759 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:04,759 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:36:04,760 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:36:04,760 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:04,761 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:36:04,762 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:36:04,762 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:36:04,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:04,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:04,765 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:36:04,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:36:04,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:36:04,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:04,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:04,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:04,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:04,772 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:36:04,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:04,772 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:04,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:04,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:04,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:04,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:04,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:04,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:04,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:04,776 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:36:04,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:36:04,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:04,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:04,778 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:04,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:04,779 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_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9892fa4411afdcbbbffaaa3a5f66b66df3561d966071f6e07747bea9e43a53de [2023-11-23 20:36:05,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:05,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:05,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:05,186 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:05,187 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:05,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-23 20:36:08,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:09,252 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:09,253 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-23 20:36:09,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/data/2f523fb67/b14dc6431e2f44d9b52974b0ef5abce8/FLAGf95bc0236 [2023-11-23 20:36:09,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/data/2f523fb67/b14dc6431e2f44d9b52974b0ef5abce8 [2023-11-23 20:36:09,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:09,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:09,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:09,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:09,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:09,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:09" (1/1) ... [2023-11-23 20:36:09,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6d9e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:09, skipping insertion in model container [2023-11-23 20:36:09,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:09" (1/1) ... [2023-11-23 20:36:09,370 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:09,626 WARN L240 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_57dd6de6-5785-4175-a9a0-25a40f778637/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i[916,929] [2023-11-23 20:36:09,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:09,749 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:09,774 WARN L240 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_57dd6de6-5785-4175-a9a0-25a40f778637/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i[916,929] [2023-11-23 20:36:09,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:09,856 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:09,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:09 WrapperNode [2023-11-23 20:36:09,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:09,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:09,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:09,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:09,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:09" (1/1) ... [2023-11-23 20:36:09,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:09" (1/1) ... [2023-11-23 20:36:09,943 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2023-11-23 20:36:09,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:09,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:09,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:09,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:09,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:09" (1/1) ... [2023-11-23 20:36:09,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:09" (1/1) ... [2023-11-23 20:36:09,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:09" (1/1) ... [2023-11-23 20:36:09,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:09" (1/1) ... [2023-11-23 20:36:09,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:09" (1/1) ... [2023-11-23 20:36:09,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:09" (1/1) ... [2023-11-23 20:36:09,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:09" (1/1) ... [2023-11-23 20:36:09,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:09" (1/1) ... [2023-11-23 20:36:10,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:10,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:10,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:10,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:10,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:09" (1/1) ... [2023-11-23 20:36:10,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:10,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:10,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:10,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:36:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:36:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:36:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:10,217 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:10,222 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:10,560 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:10,814 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:10,814 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:36:10,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:10 BoogieIcfgContainer [2023-11-23 20:36:10,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:10,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:10,821 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:10,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:10,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:09" (1/3) ... [2023-11-23 20:36:10,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12220e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:10, skipping insertion in model container [2023-11-23 20:36:10,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:09" (2/3) ... [2023-11-23 20:36:10,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12220e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:10, skipping insertion in model container [2023-11-23 20:36:10,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:10" (3/3) ... [2023-11-23 20:36:10,830 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-23 20:36:10,855 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:10,856 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:10,912 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:10,920 INFO L357 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, mHoare=true, 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;@2b5a4e77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:10,920 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:10,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 20:36:10,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:36:10,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:10,965 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:10,965 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:10,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:10,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1412285378, now seen corresponding path program 1 times [2023-11-23 20:36:10,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:36:10,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447922287] [2023-11-23 20:36:10,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:10,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:36:11,287 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:36:11,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [314970811] [2023-11-23 20:36:11,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:11,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:36:11,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:11,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:36:11,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:36:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:11,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:36:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:12,221 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:36:12,224 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:36:12,226 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:36:12,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:12,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:36:12,444 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:36:12,450 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:36:12,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:36:12 BoogieIcfgContainer [2023-11-23 20:36:12,574 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:36:12,575 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:36:12,575 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:36:12,575 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:36:12,576 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:10" (3/4) ... [2023-11-23 20:36:12,583 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:36:12,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:36:12,588 INFO L158 Benchmark]: Toolchain (without parser) took 3289.68ms. Allocated memory is still 140.5MB. Free memory was 104.6MB in the beginning and 81.1MB in the end (delta: 23.4MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-23 20:36:12,589 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 75.9MB in the end (delta: 31.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:12,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 554.42ms. Allocated memory is still 140.5MB. Free memory was 104.1MB in the beginning and 92.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:36:12,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.14ms. Allocated memory is still 140.5MB. Free memory was 92.0MB in the beginning and 89.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:36:12,599 INFO L158 Benchmark]: Boogie Preprocessor took 64.04ms. Allocated memory is still 140.5MB. Free memory was 89.9MB in the beginning and 88.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:36:12,601 INFO L158 Benchmark]: RCFGBuilder took 806.85ms. Allocated memory is still 140.5MB. Free memory was 88.3MB in the beginning and 56.9MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-23 20:36:12,602 INFO L158 Benchmark]: TraceAbstraction took 1753.28ms. Allocated memory is still 140.5MB. Free memory was 56.3MB in the beginning and 81.4MB in the end (delta: -25.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:12,602 INFO L158 Benchmark]: Witness Printer took 12.03ms. Allocated memory is still 140.5MB. Free memory was 81.4MB in the beginning and 81.1MB in the end (delta: 287.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:12,606 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 75.9MB in the end (delta: 31.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 554.42ms. Allocated memory is still 140.5MB. Free memory was 104.1MB in the beginning and 92.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.14ms. Allocated memory is still 140.5MB. Free memory was 92.0MB in the beginning and 89.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.04ms. Allocated memory is still 140.5MB. Free memory was 89.9MB in the beginning and 88.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 806.85ms. Allocated memory is still 140.5MB. Free memory was 88.3MB in the beginning and 56.9MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1753.28ms. Allocated memory is still 140.5MB. Free memory was 56.3MB in the beginning and 81.4MB in the end (delta: -25.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 12.03ms. Allocated memory is still 140.5MB. Free memory was 81.4MB in the beginning and 81.1MB in the end (delta: 287.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 53, overapproximation of shiftRight at line 51. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 4; [L23] signed long int var_1_2 = 63; [L24] signed long int var_1_3 = 9999999; [L25] signed long int var_1_4 = 0; [L26] signed short int var_1_6 = 10; [L27] signed long int var_1_7 = -1; [L28] signed long int var_1_8 = 4; [L29] signed long int var_1_9 = 7; [L30] signed long int var_1_10 = 7; [L31] signed long int var_1_11 = 2; [L32] unsigned long int var_1_12 = 128; [L33] unsigned long int var_1_13 = 0; [L34] unsigned long int var_1_14 = 4078799264; [L35] unsigned long int var_1_15 = 500; [L36] unsigned long int var_1_16 = 25; [L37] unsigned long int last_1_var_1_15 = 500; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L100] last_1_var_1_15 = var_1_15 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L64] var_1_2 = __VERIFIER_nondet_long() [L65] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=9999999, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=9999999, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L66] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=9999999, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=9999999, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L67] var_1_3 = __VERIFIER_nondet_long() [L68] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L69] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=10, var_1_7=-1, var_1_8=4, var_1_9=7] [L70] var_1_6 = __VERIFIER_nondet_short() [L71] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=-1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=-1, var_1_8=4, var_1_9=7] [L72] CALL assume_abort_if_not(var_1_6 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=-1, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_6 <= 32) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=-1, var_1_8=4, var_1_9=7] [L73] var_1_7 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=4, var_1_9=7] [L75] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=4, var_1_9=7] [L76] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=4, var_1_9=7] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=4, var_1_9=7] [L77] var_1_8 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=7] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=7] [L79] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=7] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=7] [L80] var_1_9 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L82] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=7, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L83] var_1_10 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L85] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L86] var_1_11 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L88] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L89] var_1_13 = __VERIFIER_nondet_ulong() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L91] CALL assume_abort_if_not(var_1_13 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_13 <= 4294967294) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L92] var_1_14 = __VERIFIER_nondet_ulong() [L93] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L94] CALL assume_abort_if_not(var_1_14 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_14 <= 4294967294) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_16=25, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L95] var_1_16 = __VERIFIER_nondet_ulong() [L96] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L97] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_16=271, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_16=271, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L111] RET updateVariables() [L112] CALL step() [L41] var_1_1 = (var_1_2 - var_1_3) [L42] COND FALSE !(((((-128) < (last_1_var_1_15)) ? (-128) : (last_1_var_1_15))) < var_1_13) [L49] var_1_15 = var_1_16 [L51] EXPR var_1_15 >> var_1_6 [L51] unsigned long int stepLocal_0 = (var_1_15 >> var_1_6) / var_1_7; [L52] COND FALSE !(8 < stepLocal_0) [L55] COND TRUE var_1_2 < var_1_8 [L56] COND FALSE !(((- var_1_15) <= var_1_6) || (var_1_4 < var_1_10)) [L59] var_1_12 = (var_1_14 - var_1_6) [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR (var_1_1 == ((signed long int) (var_1_2 - var_1_3))) && ((8 < ((var_1_15 >> var_1_6) / var_1_7)) ? (var_1_4 == ((signed long int) (((var_1_8 + var_1_9) + ((((var_1_10) < (1.9)) ? (var_1_10) : (1.9)))) + (99.125 + var_1_11)))) : 1) [L103] EXPR var_1_15 >> var_1_6 [L103] EXPR (var_1_1 == ((signed long int) (var_1_2 - var_1_3))) && ((8 < ((var_1_15 >> var_1_6) / var_1_7)) ? (var_1_4 == ((signed long int) (((var_1_8 + var_1_9) + ((((var_1_10) < (1.9)) ? (var_1_10) : (1.9)))) + (99.125 + var_1_11)))) : 1) [L103-L104] return (((var_1_1 == ((signed long int) (var_1_2 - var_1_3))) && ((8 < ((var_1_15 >> var_1_6) / var_1_7)) ? (var_1_4 == ((signed long int) (((var_1_8 + var_1_9) + ((((var_1_10) < (1.9)) ? (var_1_10) : (1.9)))) + (99.125 + var_1_11)))) : 1)) && ((var_1_2 < var_1_8) ? ((((- var_1_15) <= var_1_6) || (var_1_4 < var_1_10)) ? (var_1_12 == ((unsigned long int) ((((var_1_6) < (var_1_13)) ? (var_1_6) : (var_1_13))))) : (var_1_12 == ((unsigned long int) (var_1_14 - var_1_6)))) : 1)) && ((((((-128) < (last_1_var_1_15)) ? (-128) : (last_1_var_1_15))) < var_1_13) ? ((last_1_var_1_15 > var_1_7) ? (var_1_15 == ((unsigned long int) (var_1_6 + var_1_16))) : (var_1_15 == ((unsigned long int) var_1_14))) : (var_1_15 == ((unsigned long int) var_1_16))) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=4294967264, var_1_13=0, var_1_14=4294967294, var_1_15=271, var_1_16=271, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=500, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=4294967264, var_1_13=0, var_1_14=4294967294, var_1_15=271, var_1_16=271, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=30, var_1_7=30, var_1_8=1, var_1_9=-2147483648] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 23, 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=43occurred 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: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 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 [2023-11-23 20:36:12,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire --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 9892fa4411afdcbbbffaaa3a5f66b66df3561d966071f6e07747bea9e43a53de --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:16,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:16,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:36:16,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:16,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:16,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:16,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:16,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:16,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:16,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:16,251 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:16,252 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:16,252 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:16,255 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:16,255 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:16,256 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:16,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:16,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:16,259 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:36:16,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:36:16,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:16,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:16,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:16,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:16,263 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:36:16,264 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:36:16,264 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:36:16,265 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:36:16,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:16,266 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:16,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:16,268 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:36:16,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:16,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:16,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:16,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:16,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:16,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:16,271 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:36:16,272 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:16,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:16,273 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:16,274 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:16,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:16,275 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9892fa4411afdcbbbffaaa3a5f66b66df3561d966071f6e07747bea9e43a53de [2023-11-23 20:36:16,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:16,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:16,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:16,826 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:16,826 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:16,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-23 20:36:20,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:20,676 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:20,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-23 20:36:20,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/data/51dfb9f39/934180e117564349a358f5611c76d6bb/FLAG8e4aca86c [2023-11-23 20:36:20,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/data/51dfb9f39/934180e117564349a358f5611c76d6bb [2023-11-23 20:36:20,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:20,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:20,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:20,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:20,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:20,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:20" (1/1) ... [2023-11-23 20:36:20,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66752826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:20, skipping insertion in model container [2023-11-23 20:36:20,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:20" (1/1) ... [2023-11-23 20:36:20,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:21,004 WARN L240 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_57dd6de6-5785-4175-a9a0-25a40f778637/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i[916,929] [2023-11-23 20:36:21,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:21,113 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:21,132 WARN L240 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_57dd6de6-5785-4175-a9a0-25a40f778637/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-98.i[916,929] [2023-11-23 20:36:21,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:21,202 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:21,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:21 WrapperNode [2023-11-23 20:36:21,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:21,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:21,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:21,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:21,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:21" (1/1) ... [2023-11-23 20:36:21,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:21" (1/1) ... [2023-11-23 20:36:21,268 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2023-11-23 20:36:21,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:21,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:21,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:21,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:21,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:21" (1/1) ... [2023-11-23 20:36:21,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:21" (1/1) ... [2023-11-23 20:36:21,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:21" (1/1) ... [2023-11-23 20:36:21,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:21" (1/1) ... [2023-11-23 20:36:21,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:21" (1/1) ... [2023-11-23 20:36:21,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:21" (1/1) ... [2023-11-23 20:36:21,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:21" (1/1) ... [2023-11-23 20:36:21,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:21" (1/1) ... [2023-11-23 20:36:21,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:21,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:21,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:21,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:21,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:21" (1/1) ... [2023-11-23 20:36:21,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:21,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:21,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:21,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:36:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:36:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:36:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:21,581 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:21,584 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:26,069 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:26,199 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:26,199 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:36:26,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:26 BoogieIcfgContainer [2023-11-23 20:36:26,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:26,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:26,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:26,212 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:26,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:20" (1/3) ... [2023-11-23 20:36:26,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be3a5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:26, skipping insertion in model container [2023-11-23 20:36:26,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:21" (2/3) ... [2023-11-23 20:36:26,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be3a5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:26, skipping insertion in model container [2023-11-23 20:36:26,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:26" (3/3) ... [2023-11-23 20:36:26,220 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-98.i [2023-11-23 20:36:26,245 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:26,246 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:26,305 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:26,314 INFO L357 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, mHoare=true, 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;@378f1f03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:26,315 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 20:36:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-23 20:36:26,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:26,343 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:26,343 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:26,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:26,352 INFO L85 PathProgramCache]: Analyzing trace with hash -757946518, now seen corresponding path program 1 times [2023-11-23 20:36:26,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:26,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295615151] [2023-11-23 20:36:26,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:26,374 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 [2023-11-23 20:36:26,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:26,378 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:36:26,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:36:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:27,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:36:27,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:27,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2023-11-23 20:36:27,191 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:27,192 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:27,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295615151] [2023-11-23 20:36:27,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295615151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:27,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:27,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:36:27,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308748980] [2023-11-23 20:36:27,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:27,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:36:27,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:27,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:36:27,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:36:27,246 INFO L87 Difference]: Start difference. First operand has 53 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 20:36:29,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:29,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:29,535 INFO L93 Difference]: Finished difference Result 103 states and 187 transitions. [2023-11-23 20:36:29,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:36:29,588 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 135 [2023-11-23 20:36:29,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:29,597 INFO L225 Difference]: With dead ends: 103 [2023-11-23 20:36:29,597 INFO L226 Difference]: Without dead ends: 51 [2023-11-23 20:36:29,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:36:29,606 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:29,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 20:36:29,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-23 20:36:29,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-23 20:36:29,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 20:36:29,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 78 transitions. [2023-11-23 20:36:29,684 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 78 transitions. Word has length 135 [2023-11-23 20:36:29,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:29,684 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 78 transitions. [2023-11-23 20:36:29,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 20:36:29,685 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2023-11-23 20:36:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-23 20:36:29,690 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:29,690 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:29,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:29,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:36:29,905 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:29,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:29,906 INFO L85 PathProgramCache]: Analyzing trace with hash 103431784, now seen corresponding path program 1 times [2023-11-23 20:36:29,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:29,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1343929933] [2023-11-23 20:36:29,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:29,908 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 [2023-11-23 20:36:29,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:29,909 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:36:29,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:36:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:30,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:36:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:31,239 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-23 20:36:31,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1602625623] [2023-11-23 20:36:31,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:31,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:31,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:36:31,283 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:36:31,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd6de6-5785-4175-a9a0-25a40f778637/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:36:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:31,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:36:32,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:08,418 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_10~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 10.0)))) (let ((.cse0 (fp.lt .cse4 .cse2)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (bvadd c_~var_1_9~0 c_~var_1_8~0))) (.cse3 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 793.0 8.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)))) (or (and (not .cse0) (= c_~var_1_4~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode .cse1 .cse2) .cse3)))) (and .cse0 (= c_~var_1_4~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode .cse1 .cse4) .cse3))))))) (= c_~var_1_15~0 c_~var_1_16~0) (not (bvult (_ bv4294967168 32) c_~var_1_13~0)) (= (bvadd c_~var_1_2~0 (bvneg c_~var_1_3~0)) c_~var_1_1~0) (not (bvult c_~last_1_var_1_15~0 c_~var_1_13~0))) is different from false