./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX --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 d73169866977dcaccdece02ee66e85657451dd2678c2f9b97d40486db7899feb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:09:22,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:09:22,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:09:22,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:09:22,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:09:22,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:09:22,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:09:22,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:09:22,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:09:22,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:09:22,847 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:09:22,848 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:09:22,848 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:09:22,850 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:09:22,850 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:09:22,851 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:09:22,851 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:09:22,852 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:09:22,852 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:09:22,853 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:09:22,853 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:09:22,854 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:09:22,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:09:22,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:09:22,856 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:09:22,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:09:22,857 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:09:22,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:09:22,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:09:22,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:09:22,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:09:22,859 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:09:22,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:09:22,860 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:09:22,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:09:22,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:09:22,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:22,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:09:22,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:09:22,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:09:22,862 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:09:22,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:09:22,864 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:09:22,864 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:09:22,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:09:22,865 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_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d73169866977dcaccdece02ee66e85657451dd2678c2f9b97d40486db7899feb [2023-11-12 00:09:23,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:09:23,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:09:23,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:09:23,156 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:09:23,157 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:09:23,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i [2023-11-12 00:09:26,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:09:26,703 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:09:26,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i [2023-11-12 00:09:26,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/data/6adbe533a/64ae3ebcd7e04bb7a0079a3f4efa4071/FLAG660edd33a [2023-11-12 00:09:26,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/data/6adbe533a/64ae3ebcd7e04bb7a0079a3f4efa4071 [2023-11-12 00:09:26,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:09:26,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:09:26,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:26,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:09:26,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:09:26,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:26" (1/1) ... [2023-11-12 00:09:26,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55dbc803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:26, skipping insertion in model container [2023-11-12 00:09:26,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:26" (1/1) ... [2023-11-12 00:09:26,779 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:09:26,934 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_7a17b690-bbb0-432a-9a42-8f12b8109681/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i[916,929] [2023-11-12 00:09:27,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:27,043 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:09:27,062 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_7a17b690-bbb0-432a-9a42-8f12b8109681/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i[916,929] [2023-11-12 00:09:27,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:27,135 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:09:27,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:27 WrapperNode [2023-11-12 00:09:27,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:27,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:27,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:09:27,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:09:27,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:27" (1/1) ... [2023-11-12 00:09:27,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:27" (1/1) ... [2023-11-12 00:09:27,214 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2023-11-12 00:09:27,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:27,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:09:27,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:09:27,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:09:27,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:27" (1/1) ... [2023-11-12 00:09:27,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:27" (1/1) ... [2023-11-12 00:09:27,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:27" (1/1) ... [2023-11-12 00:09:27,231 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:27" (1/1) ... [2023-11-12 00:09:27,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:27" (1/1) ... [2023-11-12 00:09:27,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:27" (1/1) ... [2023-11-12 00:09:27,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:27" (1/1) ... [2023-11-12 00:09:27,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:27" (1/1) ... [2023-11-12 00:09:27,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:09:27,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:09:27,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:09:27,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:09:27,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:27" (1/1) ... [2023-11-12 00:09:27,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:27,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:27,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:09:27,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:09:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:09:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:09:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:09:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:09:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:09:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:09:27,443 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:09:27,445 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:09:27,885 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:09:28,117 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:09:28,118 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:09:28,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:28 BoogieIcfgContainer [2023-11-12 00:09:28,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:09:28,124 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:09:28,125 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:09:28,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:09:28,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:09:26" (1/3) ... [2023-11-12 00:09:28,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c467581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:28, skipping insertion in model container [2023-11-12 00:09:28,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:27" (2/3) ... [2023-11-12 00:09:28,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c467581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:28, skipping insertion in model container [2023-11-12 00:09:28,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:28" (3/3) ... [2023-11-12 00:09:28,140 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-6.i [2023-11-12 00:09:28,166 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:09:28,167 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:09:28,226 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:09:28,235 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;@5c2e5673, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:09:28,235 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:09:28,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:09:28,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-12 00:09:28,252 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:28,253 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:28,254 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:28,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:28,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1250808006, now seen corresponding path program 1 times [2023-11-12 00:09:28,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:28,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475827724] [2023-11-12 00:09:28,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:28,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:28,478 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:09:28,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [189977125] [2023-11-12 00:09:28,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:28,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:28,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:28,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:28,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:09:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:09:30,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:09:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:09:30,792 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:09:30,795 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:09:30,799 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:09:30,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:09:31,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:09:31,013 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:09:31,018 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:09:31,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:09:31 BoogieIcfgContainer [2023-11-12 00:09:31,161 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:09:31,162 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:09:31,162 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:09:31,162 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:09:31,163 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:28" (3/4) ... [2023-11-12 00:09:31,166 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:09:31,170 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:09:31,171 INFO L158 Benchmark]: Toolchain (without parser) took 4438.24ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 98.2MB in the beginning and 130.7MB in the end (delta: -32.5MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-11-12 00:09:31,172 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 144.7MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:09:31,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.18ms. Allocated memory is still 144.7MB. Free memory was 98.0MB in the beginning and 85.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:09:31,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.69ms. Allocated memory is still 144.7MB. Free memory was 85.3MB in the beginning and 82.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:09:31,175 INFO L158 Benchmark]: Boogie Preprocessor took 37.94ms. Allocated memory is still 144.7MB. Free memory was 82.4MB in the beginning and 80.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:09:31,178 INFO L158 Benchmark]: RCFGBuilder took 867.22ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 80.7MB in the beginning and 167.6MB in the end (delta: -86.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-11-12 00:09:31,180 INFO L158 Benchmark]: TraceAbstraction took 3036.61ms. Allocated memory is still 213.9MB. Free memory was 167.6MB in the beginning and 131.0MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-12 00:09:31,183 INFO L158 Benchmark]: Witness Printer took 8.13ms. Allocated memory is still 213.9MB. Free memory was 131.0MB in the beginning and 130.7MB in the end (delta: 269.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:09:31,186 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 144.7MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.18ms. Allocated memory is still 144.7MB. Free memory was 98.0MB in the beginning and 85.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.69ms. Allocated memory is still 144.7MB. Free memory was 85.3MB in the beginning and 82.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.94ms. Allocated memory is still 144.7MB. Free memory was 82.4MB in the beginning and 80.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 867.22ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 80.7MB in the beginning and 167.6MB in the end (delta: -86.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3036.61ms. Allocated memory is still 213.9MB. Free memory was 167.6MB in the beginning and 131.0MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 8.13ms. Allocated memory is still 213.9MB. Free memory was 131.0MB in the beginning and 130.7MB in the end (delta: 269.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 0; [L23] unsigned short int var_1_4 = 32; [L24] unsigned short int var_1_6 = 10; [L25] signed long int var_1_7 = 4; [L26] signed long int var_1_8 = 2; [L27] double var_1_9 = 0.0; [L28] double var_1_10 = 64.2; [L29] double var_1_11 = 0.0; [L30] double var_1_12 = 0.25; [L31] unsigned short int var_1_13 = 36833; [L32] unsigned char var_1_14 = 0; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] signed long int var_1_18 = -32; [L36] unsigned long int var_1_20 = 50; [L37] unsigned long int var_1_21 = 2655070710; [L38] unsigned char last_1_var_1_14 = 0; [L39] signed long int last_1_var_1_18 = -32; [L40] unsigned long int last_1_var_1_20 = 50; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L101] last_1_var_1_14 = var_1_14 [L102] last_1_var_1_18 = var_1_18 [L103] last_1_var_1_20 = var_1_20 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L69] var_1_4 = __VERIFIER_nondet_ushort() [L70] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_4 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_4 <= 65535) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=0] [L72] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=0] [L73] var_1_7 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=2, var_1_9=0] [L75] CALL assume_abort_if_not(var_1_7 <= 17) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_7 <= 17) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=2, var_1_9=0] [L76] var_1_8 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_8 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_8 <= 16) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=0] [L79] var_1_9 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_9 >= 4611686.018427387900e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_9 >= 4611686.018427387900e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L81] var_1_10 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427387900e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427387900e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L83] var_1_11 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L85] var_1_12 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L87] var_1_13 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_13 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_13 >= 32767) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L89] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L90] var_1_16 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=1, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=1, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L92] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=1, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=1, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L93] var_1_17 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L95] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L96] var_1_21 = __VERIFIER_nondet_ulong() [L97] CALL assume_abort_if_not(var_1_21 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2147483647, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_21 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2147483647, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L98] CALL assume_abort_if_not(var_1_21 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2147483647, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_21 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2147483647, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L114] RET updateVariables() [L115] CALL step() [L44] COND TRUE (var_1_4 - last_1_var_1_20) == last_1_var_1_18 [L45] COND FALSE !(((var_1_9 - var_1_10) - var_1_11) > var_1_12) [L51] COND TRUE var_1_13 > var_1_6 [L52] var_1_18 = (((((var_1_6) < (var_1_13)) ? (var_1_6) : (var_1_13))) - var_1_6) [L54] COND FALSE !(\read(last_1_var_1_14)) [L57] var_1_20 = ((((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) < ((var_1_21 - var_1_7))) ? (((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) : ((var_1_21 - var_1_7)))) [L58] unsigned long int stepLocal_1 = var_1_20; [L59] unsigned long int stepLocal_0 = var_1_20; [L60] COND FALSE !((((((var_1_18) > (var_1_18)) ? (var_1_18) : (var_1_18))) / var_1_4) > stepLocal_1) [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return ((((((((((var_1_18) > (var_1_18)) ? (var_1_18) : (var_1_18))) / var_1_4) > var_1_20) ? ((var_1_20 == var_1_18) ? (var_1_1 == ((unsigned long int) 1000000000u)) : (var_1_1 == ((unsigned long int) 128u))) : 1) && (((var_1_4 - last_1_var_1_20) == last_1_var_1_18) ? ((((var_1_9 - var_1_10) - var_1_11) > var_1_12) ? (var_1_6 == ((unsigned short int) (var_1_13 - var_1_8))) : 1) : (var_1_6 == ((unsigned short int) var_1_13)))) && (last_1_var_1_14 ? (var_1_14 == ((unsigned char) (var_1_16 && var_1_17))) : 1)) && ((var_1_13 > var_1_6) ? (var_1_18 == ((signed long int) (((((var_1_6) < (var_1_13)) ? (var_1_6) : (var_1_13))) - var_1_6))) : 1)) && (var_1_20 == ((unsigned long int) ((((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) < ((var_1_21 - var_1_7))) ? (((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) : ((var_1_21 - var_1_7)))))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=0, var_1_20=50, var_1_21=2147483647, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=65534, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=0, var_1_20=50, var_1_21=2147483647, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=16, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 1, TraceHistogramMax: 19, 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: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 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 [2023-11-12 00:09:31,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX --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 d73169866977dcaccdece02ee66e85657451dd2678c2f9b97d40486db7899feb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:09:34,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:09:34,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:09:34,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:09:34,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:09:34,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:09:34,225 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:09:34,225 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:09:34,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:09:34,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:09:34,232 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:09:34,232 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:09:34,233 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:09:34,235 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:09:34,235 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:09:34,235 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:09:34,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:09:34,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:09:34,238 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:09:34,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:09:34,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:09:34,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:09:34,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:09:34,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:09:34,240 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:09:34,241 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:09:34,241 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:09:34,242 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:09:34,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:09:34,243 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:09:34,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:09:34,244 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:09:34,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:09:34,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:34,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:09:34,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:09:34,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:09:34,246 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:09:34,246 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:09:34,247 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:09:34,248 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:09:34,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:09:34,248 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_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d73169866977dcaccdece02ee66e85657451dd2678c2f9b97d40486db7899feb [2023-11-12 00:09:34,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:09:34,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:09:34,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:09:34,689 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:09:34,690 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:09:34,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i [2023-11-12 00:09:38,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:09:38,525 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:09:38,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i [2023-11-12 00:09:38,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/data/7030663ff/a74121b1dafa4feaaeb18851f7e380a4/FLAGc3c842710 [2023-11-12 00:09:38,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/data/7030663ff/a74121b1dafa4feaaeb18851f7e380a4 [2023-11-12 00:09:38,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:09:38,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:09:38,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:38,580 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:09:38,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:09:38,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:38" (1/1) ... [2023-11-12 00:09:38,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600715a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:38, skipping insertion in model container [2023-11-12 00:09:38,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:38" (1/1) ... [2023-11-12 00:09:38,638 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:09:38,872 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_7a17b690-bbb0-432a-9a42-8f12b8109681/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i[916,929] [2023-11-12 00:09:38,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:38,976 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:09:38,994 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_7a17b690-bbb0-432a-9a42-8f12b8109681/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i[916,929] [2023-11-12 00:09:39,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:39,072 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:09:39,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:39 WrapperNode [2023-11-12 00:09:39,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:39,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:39,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:09:39,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:09:39,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:39" (1/1) ... [2023-11-12 00:09:39,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:39" (1/1) ... [2023-11-12 00:09:39,164 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2023-11-12 00:09:39,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:39,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:09:39,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:09:39,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:09:39,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:39" (1/1) ... [2023-11-12 00:09:39,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:39" (1/1) ... [2023-11-12 00:09:39,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:39" (1/1) ... [2023-11-12 00:09:39,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:39" (1/1) ... [2023-11-12 00:09:39,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:39" (1/1) ... [2023-11-12 00:09:39,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:39" (1/1) ... [2023-11-12 00:09:39,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:39" (1/1) ... [2023-11-12 00:09:39,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:39" (1/1) ... [2023-11-12 00:09:39,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:09:39,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:09:39,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:09:39,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:09:39,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:39" (1/1) ... [2023-11-12 00:09:39,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:39,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:39,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:09:39,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:09:39,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:09:39,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:09:39,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:09:39,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:09:39,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:09:39,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:09:39,453 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:09:39,456 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:09:43,721 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:09:43,729 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:09:43,730 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:09:43,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:43 BoogieIcfgContainer [2023-11-12 00:09:43,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:09:43,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:09:43,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:09:43,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:09:43,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:09:38" (1/3) ... [2023-11-12 00:09:43,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c245b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:43, skipping insertion in model container [2023-11-12 00:09:43,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:39" (2/3) ... [2023-11-12 00:09:43,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c245b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:43, skipping insertion in model container [2023-11-12 00:09:43,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:43" (3/3) ... [2023-11-12 00:09:43,749 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-6.i [2023-11-12 00:09:43,774 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:09:43,775 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:09:43,836 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:09:43,843 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;@700f3b2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:09:43,843 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:09:43,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:09:43,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-12 00:09:43,862 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:43,863 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:43,863 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:43,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:43,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1544026128, now seen corresponding path program 1 times [2023-11-12 00:09:43,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:43,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [476841800] [2023-11-12 00:09:43,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:43,886 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 [2023-11-12 00:09:43,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:43,896 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:09:43,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:09:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:44,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:09:44,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2023-11-12 00:09:44,460 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:44,461 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:44,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [476841800] [2023-11-12 00:09:44,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [476841800] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:44,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:44,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:09:44,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043594135] [2023-11-12 00:09:44,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:44,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:09:44,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:44,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:09:44,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:09:44,516 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 00:09:44,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:44,583 INFO L93 Difference]: Finished difference Result 105 states and 179 transitions. [2023-11-12 00:09:44,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:09:44,587 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2023-11-12 00:09:44,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:44,599 INFO L225 Difference]: With dead ends: 105 [2023-11-12 00:09:44,600 INFO L226 Difference]: Without dead ends: 52 [2023-11-12 00:09:44,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:09:44,643 INFO L413 NwaCegarLoop]: 76 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, 76 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 [2023-11-12 00:09:44,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:09:44,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-12 00:09:44,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-12 00:09:44,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:09:44,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2023-11-12 00:09:44,723 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 120 [2023-11-12 00:09:44,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:44,724 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2023-11-12 00:09:44,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 00:09:44,725 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2023-11-12 00:09:44,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-12 00:09:44,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:44,732 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:44,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:09:44,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:09:44,934 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:44,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:44,934 INFO L85 PathProgramCache]: Analyzing trace with hash 555848794, now seen corresponding path program 1 times [2023-11-12 00:09:44,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:44,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013718944] [2023-11-12 00:09:44,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:44,936 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 [2023-11-12 00:09:44,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:44,938 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:09:44,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:09:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:45,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:09:45,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:45,402 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 00:09:45,402 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:45,402 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:45,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013718944] [2023-11-12 00:09:45,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013718944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:45,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:45,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:09:45,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214070058] [2023-11-12 00:09:45,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:45,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:09:45,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:45,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:09:45,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:45,407 INFO L87 Difference]: Start difference. First operand 52 states and 76 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 00:09:46,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:47,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:47,512 INFO L93 Difference]: Finished difference Result 136 states and 198 transitions. [2023-11-12 00:09:47,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:09:47,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 120 [2023-11-12 00:09:47,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:47,516 INFO L225 Difference]: With dead ends: 136 [2023-11-12 00:09:47,517 INFO L226 Difference]: Without dead ends: 87 [2023-11-12 00:09:47,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:47,520 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 47 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:47,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 175 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-12 00:09:47,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-12 00:09:47,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2023-11-12 00:09:47,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 52 states have internal predecessors, (62), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-12 00:09:47,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 122 transitions. [2023-11-12 00:09:47,545 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 122 transitions. Word has length 120 [2023-11-12 00:09:47,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:47,546 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 122 transitions. [2023-11-12 00:09:47,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 00:09:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 122 transitions. [2023-11-12 00:09:47,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-12 00:09:47,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:47,550 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:47,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:47,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:09:47,764 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:47,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:47,765 INFO L85 PathProgramCache]: Analyzing trace with hash -253497832, now seen corresponding path program 1 times [2023-11-12 00:09:47,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:47,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115390793] [2023-11-12 00:09:47,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:47,766 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 [2023-11-12 00:09:47,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:47,768 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:09:47,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:09:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:48,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:09:48,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:48,701 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 00:09:48,701 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:48,701 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:48,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115390793] [2023-11-12 00:09:48,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115390793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:48,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:48,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:09:48,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836821102] [2023-11-12 00:09:48,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:48,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:09:48,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:48,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:09:48,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:09:48,705 INFO L87 Difference]: Start difference. First operand 84 states and 122 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 00:09:50,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:50,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:50,528 INFO L93 Difference]: Finished difference Result 165 states and 241 transitions. [2023-11-12 00:09:50,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:09:50,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 120 [2023-11-12 00:09:50,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:50,561 INFO L225 Difference]: With dead ends: 165 [2023-11-12 00:09:50,561 INFO L226 Difference]: Without dead ends: 84 [2023-11-12 00:09:50,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:09:50,564 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:50,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 72 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-12 00:09:50,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-12 00:09:50,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-12 00:09:50,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 52 states have internal predecessors, (60), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-12 00:09:50,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 120 transitions. [2023-11-12 00:09:50,607 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 120 transitions. Word has length 120 [2023-11-12 00:09:50,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:50,608 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 120 transitions. [2023-11-12 00:09:50,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 00:09:50,609 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2023-11-12 00:09:50,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-12 00:09:50,618 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:50,618 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:50,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:50,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:09:50,819 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:50,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:50,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1521509530, now seen corresponding path program 1 times [2023-11-12 00:09:50,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:50,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908880028] [2023-11-12 00:09:50,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:50,821 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 [2023-11-12 00:09:50,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:50,823 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:09:50,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a17b690-bbb0-432a-9a42-8f12b8109681/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-12 00:09:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:51,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-12 00:09:51,257 INFO L285 TraceCheckSpWp]: Computing forward predicates...