./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.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_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/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_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/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_802721e2-fc1f-4c3f-add5-01880a1087e4/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 26889e4c825bc9df5f6bfdada4995dbeaf45a1d31e009b603ffadcd3ffbc80b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:13:13,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:13:13,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:13:13,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:13:13,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:13:13,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:13:13,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:13:13,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:13:13,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:13:13,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:13:13,916 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:13:13,917 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:13:13,918 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:13:13,919 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:13:13,920 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:13:13,920 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:13:13,921 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:13:13,921 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:13:13,921 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:13:13,922 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:13:13,924 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:13:13,924 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:13:13,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:13:13,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:13:13,926 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:13:13,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:13:13,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:13:13,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:13:13,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:13:13,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:13:13,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:13:13,930 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:13:13,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:13:13,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:13:13,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:13:13,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:13:13,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:13,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:13:13,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:13:13,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:13:13,932 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:13:13,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:13:13,933 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:13:13,933 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:13:13,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:13:13,934 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_802721e2-fc1f-4c3f-add5-01880a1087e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26889e4c825bc9df5f6bfdada4995dbeaf45a1d31e009b603ffadcd3ffbc80b6 [2023-11-12 00:13:14,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:13:14,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:13:14,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:13:14,265 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:13:14,265 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:13:14,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i [2023-11-12 00:13:17,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:13:17,735 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:13:17,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i [2023-11-12 00:13:17,747 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/data/738890fa2/41c4af2ce28747aa83a6962edff65b7e/FLAG701c1133f [2023-11-12 00:13:17,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/data/738890fa2/41c4af2ce28747aa83a6962edff65b7e [2023-11-12 00:13:17,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:13:17,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:13:17,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:13:17,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:13:17,773 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:13:17,774 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:13:17" (1/1) ... [2023-11-12 00:13:17,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0ab594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:17, skipping insertion in model container [2023-11-12 00:13:17,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:13:17" (1/1) ... [2023-11-12 00:13:17,805 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:13:17,966 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_802721e2-fc1f-4c3f-add5-01880a1087e4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i[916,929] [2023-11-12 00:13:18,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:13:18,028 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:13:18,042 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_802721e2-fc1f-4c3f-add5-01880a1087e4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i[916,929] [2023-11-12 00:13:18,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:13:18,088 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:13:18,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:18 WrapperNode [2023-11-12 00:13:18,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:13:18,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:13:18,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:13:18,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:13:18,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:18" (1/1) ... [2023-11-12 00:13:18,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:18" (1/1) ... [2023-11-12 00:13:18,164 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2023-11-12 00:13:18,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:13:18,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:13:18,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:13:18,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:13:18,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:18" (1/1) ... [2023-11-12 00:13:18,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:18" (1/1) ... [2023-11-12 00:13:18,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:18" (1/1) ... [2023-11-12 00:13:18,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:18" (1/1) ... [2023-11-12 00:13:18,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:18" (1/1) ... [2023-11-12 00:13:18,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:18" (1/1) ... [2023-11-12 00:13:18,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:18" (1/1) ... [2023-11-12 00:13:18,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:18" (1/1) ... [2023-11-12 00:13:18,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:13:18,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:13:18,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:13:18,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:13:18,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:18" (1/1) ... [2023-11-12 00:13:18,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:18,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:13:18,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:13:18,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:13:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:13:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:13:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:13:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:13:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:13:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:13:18,416 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:13:18,418 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:13:18,934 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:13:19,095 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:13:19,095 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:13:19,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:13:19 BoogieIcfgContainer [2023-11-12 00:13:19,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:13:19,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:13:19,101 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:13:19,105 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:13:19,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:13:17" (1/3) ... [2023-11-12 00:13:19,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c88f507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:13:19, skipping insertion in model container [2023-11-12 00:13:19,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:18" (2/3) ... [2023-11-12 00:13:19,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c88f507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:13:19, skipping insertion in model container [2023-11-12 00:13:19,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:13:19" (3/3) ... [2023-11-12 00:13:19,108 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-26.i [2023-11-12 00:13:19,129 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:13:19,130 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:13:19,193 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:13:19,202 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;@730751c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:13:19,202 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:13:19,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 00:13:19,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-12 00:13:19,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:13:19,216 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 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 00:13:19,218 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:13:19,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:13:19,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1806382864, now seen corresponding path program 1 times [2023-11-12 00:13:19,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:13:19,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033099798] [2023-11-12 00:13:19,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:19,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:13:19,405 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:13:19,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1647953117] [2023-11-12 00:13:19,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:19,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:13:19,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:13:19,414 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:13:19,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:13:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:13:19,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:13:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:13:19,802 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:13:19,805 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:13:19,806 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:13:19,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:13:20,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:13:20,061 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:13:20,064 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:13:20,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:13:20 BoogieIcfgContainer [2023-11-12 00:13:20,110 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:13:20,111 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:13:20,111 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:13:20,111 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:13:20,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:13:19" (3/4) ... [2023-11-12 00:13:20,114 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:13:20,115 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:13:20,116 INFO L158 Benchmark]: Toolchain (without parser) took 2350.26ms. Allocated memory is still 155.2MB. Free memory was 121.7MB in the beginning and 119.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:13:20,117 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:13:20,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.42ms. Allocated memory is still 155.2MB. Free memory was 121.7MB in the beginning and 108.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:13:20,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.53ms. Allocated memory is still 155.2MB. Free memory was 108.6MB in the beginning and 104.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:13:20,119 INFO L158 Benchmark]: Boogie Preprocessor took 61.08ms. Allocated memory is still 155.2MB. Free memory was 104.4MB in the beginning and 103.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:13:20,120 INFO L158 Benchmark]: RCFGBuilder took 871.41ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 75.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-12 00:13:20,120 INFO L158 Benchmark]: TraceAbstraction took 1009.39ms. Allocated memory is still 155.2MB. Free memory was 75.1MB in the beginning and 120.1MB in the end (delta: -45.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-12 00:13:20,121 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 155.2MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:13:20,125 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.42ms. Allocated memory is still 155.2MB. Free memory was 121.7MB in the beginning and 108.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.53ms. Allocated memory is still 155.2MB. Free memory was 108.6MB in the beginning and 104.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.08ms. Allocated memory is still 155.2MB. Free memory was 104.4MB in the beginning and 103.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 871.41ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 75.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1009.39ms. Allocated memory is still 155.2MB. Free memory was 75.1MB in the beginning and 120.1MB in the end (delta: -45.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 155.2MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] signed short int var_1_4 = 1; [L24] signed long int var_1_12 = 1; [L25] signed long int var_1_13 = 199; [L26] signed long int var_1_14 = 2000000000; [L27] unsigned char var_1_15 = 64; [L28] unsigned char var_1_16 = 2; [L29] unsigned long int var_1_17 = 50; [L30] signed long int var_1_19 = -32; [L31] signed long int var_1_20 = 8; [L32] unsigned char last_1_var_1_15 = 64; [L77] isInitial = 1 [L78] FCALL initially() [L79] COND TRUE 1 [L80] CALL updateLastVariables() [L70] last_1_var_1_15 = var_1_15 [L80] RET updateLastVariables() [L81] CALL updateVariables() [L52] var_1_4 = __VERIFIER_nondet_short() [L53] CALL assume_abort_if_not(var_1_4 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_4 >= -32767) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L54] CALL assume_abort_if_not(var_1_4 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_4 <= 32766) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L55] var_1_13 = __VERIFIER_nondet_long() [L56] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L57] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L58] var_1_14 = __VERIFIER_nondet_long() [L59] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2147483647, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2147483647, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L60] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2147483647, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2147483647, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L61] var_1_16 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2147483647, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2147483647, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L63] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2147483647, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2147483647, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L64] var_1_19 = __VERIFIER_nondet_long() [L65] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2147483647, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2147483647, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L66] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2147483647, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2147483647, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L67] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2147483647, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2147483647, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L81] RET updateVariables() [L82] CALL step() [L36] var_1_12 = ((0.85f - var_1_13) + var_1_14) [L37] COND TRUE (- last_1_var_1_15) >= (var_1_4 / ((((-4) < 0 ) ? -(-4) : (-4)))) [L38] var_1_15 = var_1_16 [L40] var_1_20 = var_1_13 [L41] COND FALSE !(var_1_20 > var_1_20) [L44] var_1_1 = (((((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) < ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))) ? ((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))))))) [L46] signed long int stepLocal_0 = var_1_15 + (var_1_15 + var_1_1); [L47] COND TRUE stepLocal_0 != (var_1_15 * (var_1_1 / var_1_19)) [L48] var_1_17 = (((((10u) < ((var_1_1 + var_1_15))) ? (10u) : ((var_1_1 + var_1_15)))) + var_1_15) [L82] RET step() [L83] CALL, EXPR property() [L73-L74] return (((((var_1_20 > var_1_20) ? (var_1_1 == ((signed short int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : (var_1_1 == ((signed short int) (((((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) < ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))) ? ((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))))))) && (var_1_12 == ((signed long int) ((0.85f - var_1_13) + var_1_14)))) && (((- last_1_var_1_15) >= (var_1_4 / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && (((var_1_15 + (var_1_15 + var_1_1)) != (var_1_15 * (var_1_1 / var_1_19))) ? (var_1_17 == ((unsigned long int) (((((10u) < ((var_1_1 + var_1_15))) ? (10u) : ((var_1_1 + var_1_15)))) + var_1_15))) : 1)) && (var_1_20 == ((signed long int) var_1_13)) ; [L83] RET, EXPR property() [L83] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=64, var_1_12=6, var_1_13=0, var_1_14=2147483647, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=1, var_1_1=0, var_1_20=0, var_1_4=-256] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=64, var_1_12=6, var_1_13=0, var_1_14=2147483647, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=1, var_1_1=0, var_1_20=0, var_1_4=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 11, 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=25occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 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 00:13:20,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/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_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/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_802721e2-fc1f-4c3f-add5-01880a1087e4/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 26889e4c825bc9df5f6bfdada4995dbeaf45a1d31e009b603ffadcd3ffbc80b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:13:22,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:13:22,851 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:13:22,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:13:22,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:13:22,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:13:22,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:13:22,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:13:22,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:13:22,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:13:22,918 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:13:22,918 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:13:22,919 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:13:22,921 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:13:22,921 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:13:22,922 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:13:22,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:13:22,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:13:22,924 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:13:22,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:13:22,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:13:22,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:13:22,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:13:22,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:13:22,928 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:13:22,928 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:13:22,928 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:13:22,929 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:13:22,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:13:22,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:13:22,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:13:22,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:13:22,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:13:22,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:22,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:13:22,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:13:22,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:13:22,933 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:13:22,934 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:13:22,935 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:13:22,935 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:13:22,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:13:22,936 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_802721e2-fc1f-4c3f-add5-01880a1087e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26889e4c825bc9df5f6bfdada4995dbeaf45a1d31e009b603ffadcd3ffbc80b6 [2023-11-12 00:13:23,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:13:23,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:13:23,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:13:23,349 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:13:23,349 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:13:23,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i [2023-11-12 00:13:26,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:13:26,866 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:13:26,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i [2023-11-12 00:13:26,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/data/191c9dd4c/e72efc51ff5a4f00a07591a5c5ae36e0/FLAG6125bf785 [2023-11-12 00:13:26,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/data/191c9dd4c/e72efc51ff5a4f00a07591a5c5ae36e0 [2023-11-12 00:13:26,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:13:26,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:13:26,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:13:26,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:13:26,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:13:26,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:13:26" (1/1) ... [2023-11-12 00:13:26,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f275abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:26, skipping insertion in model container [2023-11-12 00:13:26,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:13:26" (1/1) ... [2023-11-12 00:13:26,936 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:13:27,085 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_802721e2-fc1f-4c3f-add5-01880a1087e4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i[916,929] [2023-11-12 00:13:27,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:13:27,146 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:13:27,159 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_802721e2-fc1f-4c3f-add5-01880a1087e4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i[916,929] [2023-11-12 00:13:27,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:13:27,225 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:13:27,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:27 WrapperNode [2023-11-12 00:13:27,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:13:27,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:13:27,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:13:27,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:13:27,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:27" (1/1) ... [2023-11-12 00:13:27,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:27" (1/1) ... [2023-11-12 00:13:27,309 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2023-11-12 00:13:27,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:13:27,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:13:27,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:13:27,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:13:27,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:27" (1/1) ... [2023-11-12 00:13:27,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:27" (1/1) ... [2023-11-12 00:13:27,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:27" (1/1) ... [2023-11-12 00:13:27,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:27" (1/1) ... [2023-11-12 00:13:27,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:27" (1/1) ... [2023-11-12 00:13:27,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:27" (1/1) ... [2023-11-12 00:13:27,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:27" (1/1) ... [2023-11-12 00:13:27,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:27" (1/1) ... [2023-11-12 00:13:27,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:13:27,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:13:27,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:13:27,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:13:27,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:27" (1/1) ... [2023-11-12 00:13:27,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:27,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:13:27,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:13:27,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:13:27,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:13:27,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:13:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:13:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:13:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:13:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:13:27,539 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:13:27,541 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:13:31,615 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:13:31,622 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:13:31,623 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:13:31,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:13:31 BoogieIcfgContainer [2023-11-12 00:13:31,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:13:31,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:13:31,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:13:31,632 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:13:31,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:13:26" (1/3) ... [2023-11-12 00:13:31,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a881d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:13:31, skipping insertion in model container [2023-11-12 00:13:31,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:27" (2/3) ... [2023-11-12 00:13:31,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a881d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:13:31, skipping insertion in model container [2023-11-12 00:13:31,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:13:31" (3/3) ... [2023-11-12 00:13:31,636 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-26.i [2023-11-12 00:13:31,657 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:13:31,657 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:13:31,709 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:13:31,717 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;@150f5955, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:13:31,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:13:31,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 00:13:31,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-12 00:13:31,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:13:31,732 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:31,733 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:13:31,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:13:31,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1782570273, now seen corresponding path program 1 times [2023-11-12 00:13:31,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:13:31,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1118591280] [2023-11-12 00:13:31,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:31,755 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 00:13:31,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:13:31,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/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 00:13:31,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/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 00:13:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:13:32,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:13:32,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:13:32,140 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-12 00:13:32,149 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:13:32,150 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:13:32,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1118591280] [2023-11-12 00:13:32,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1118591280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:13:32,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:13:32,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:13:32,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017884148] [2023-11-12 00:13:32,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:13:32,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:13:32,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:13:32,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:13:32,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:13:32,217 INFO L87 Difference]: Start difference. First operand has 40 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-12 00:13:32,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:13:32,257 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2023-11-12 00:13:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:13:32,260 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2023-11-12 00:13:32,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:13:32,268 INFO L225 Difference]: With dead ends: 73 [2023-11-12 00:13:32,268 INFO L226 Difference]: Without dead ends: 36 [2023-11-12 00:13:32,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 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 00:13:32,277 INFO L413 NwaCegarLoop]: 48 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, 48 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 00:13:32,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:13:32,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-12 00:13:32,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-12 00:13:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 00:13:32,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2023-11-12 00:13:32,329 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 48 transitions. Word has length 74 [2023-11-12 00:13:32,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:13:32,329 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 48 transitions. [2023-11-12 00:13:32,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-12 00:13:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2023-11-12 00:13:32,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-12 00:13:32,340 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:13:32,341 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:32,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/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 00:13:32,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/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 00:13:32,558 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:13:32,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:13:32,559 INFO L85 PathProgramCache]: Analyzing trace with hash 335088931, now seen corresponding path program 1 times [2023-11-12 00:13:32,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:13:32,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139351771] [2023-11-12 00:13:32,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:32,560 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 00:13:32,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:13:32,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/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 00:13:32,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/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 00:13:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:13:32,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:13:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:13:33,037 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-12 00:13:33,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [379337309] [2023-11-12 00:13:33,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:33,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:13:33,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:13:33,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:13:33,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802721e2-fc1f-4c3f-add5-01880a1087e4/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:13:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:13:33,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 00:13:33,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:13:39,718 WARN L854 $PredicateComparison]: unable to prove that (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0)))) is different from false [2023-11-12 00:13:41,740 WARN L876 $PredicateComparison]: unable to prove that (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0)))) is different from true [2023-11-12 00:13:55,934 WARN L854 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from false [2023-11-12 00:13:57,959 WARN L876 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from true [2023-11-12 00:14:16,422 WARN L854 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_13~0 c_~var_1_20~0) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from false [2023-11-12 00:14:18,446 WARN L876 $PredicateComparison]: unable to prove that (and (bvsge (bvneg ((_ zero_extend 24) c_~last_1_var_1_15~0)) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4 32))) (= c_~var_1_16~0 c_~var_1_15~0) (= c_~var_1_13~0 c_~var_1_20~0) (= c_~var_1_12~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 17.0 20.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0)) ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0))))) is different from true