./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ --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 9f8ab662dd9273644bc21529efd901dee59500e9d872803325541e37cbf4bcae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:01:55,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:01:55,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:01:55,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:01:55,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:01:55,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:01:55,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:01:55,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:01:55,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:01:55,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:01:55,889 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:01:55,890 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:01:55,890 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:01:55,891 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:01:55,892 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:01:55,892 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:01:55,893 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:01:55,893 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:01:55,894 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:01:55,895 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:01:55,895 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:01:55,896 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:01:55,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:01:55,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:01:55,898 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:01:55,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:01:55,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:01:55,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:01:55,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:01:55,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:01:55,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:01:55,901 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:01:55,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:01:55,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:01:55,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:01:55,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:01:55,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:55,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:01:55,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:01:55,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:01:55,904 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:01:55,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:01:55,904 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:01:55,905 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:01:55,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:01:55,905 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_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f8ab662dd9273644bc21529efd901dee59500e9d872803325541e37cbf4bcae [2023-11-19 05:01:56,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:01:56,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:01:56,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:01:56,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:01:56,206 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:01:56,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i [2023-11-19 05:01:59,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:01:59,688 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:01:59,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i [2023-11-19 05:01:59,698 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/data/595c32276/4f1042ad34ef48039dc186853f0d62df/FLAG6e03403b2 [2023-11-19 05:01:59,717 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/data/595c32276/4f1042ad34ef48039dc186853f0d62df [2023-11-19 05:01:59,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:01:59,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:01:59,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:59,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:01:59,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:01:59,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:59" (1/1) ... [2023-11-19 05:01:59,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19334258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:59, skipping insertion in model container [2023-11-19 05:01:59,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:59" (1/1) ... [2023-11-19 05:01:59,783 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:01:59,951 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_6b36d21b-e608-4739-a86d-1373b0899a26/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i[916,929] [2023-11-19 05:02:00,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:00,030 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:02:00,042 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_6b36d21b-e608-4739-a86d-1373b0899a26/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i[916,929] [2023-11-19 05:02:00,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:00,082 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:02:00,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:00 WrapperNode [2023-11-19 05:02:00,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:00,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:00,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:02:00,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:02:00,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:00" (1/1) ... [2023-11-19 05:02:00,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:00" (1/1) ... [2023-11-19 05:02:00,141 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-19 05:02:00,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:00,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:02:00,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:02:00,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:02:00,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:00" (1/1) ... [2023-11-19 05:02:00,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:00" (1/1) ... [2023-11-19 05:02:00,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:00" (1/1) ... [2023-11-19 05:02:00,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:00" (1/1) ... [2023-11-19 05:02:00,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:00" (1/1) ... [2023-11-19 05:02:00,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:00" (1/1) ... [2023-11-19 05:02:00,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:00" (1/1) ... [2023-11-19 05:02:00,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:00" (1/1) ... [2023-11-19 05:02:00,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:02:00,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:02:00,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:02:00,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:02:00,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:00" (1/1) ... [2023-11-19 05:02:00,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:00,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:02:00,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:02:00,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:02:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:02:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:02:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:02:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:02:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:02:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:02:00,401 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:02:00,405 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:02:00,795 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:02:00,958 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:02:00,958 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:02:00,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:00 BoogieIcfgContainer [2023-11-19 05:02:00,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:02:00,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:02:00,966 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:02:00,970 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:02:00,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:01:59" (1/3) ... [2023-11-19 05:02:00,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e5aef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:00, skipping insertion in model container [2023-11-19 05:02:00,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:00" (2/3) ... [2023-11-19 05:02:00,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e5aef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:00, skipping insertion in model container [2023-11-19 05:02:00,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:00" (3/3) ... [2023-11-19 05:02:00,974 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-75.i [2023-11-19 05:02:00,994 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:02:00,995 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:02:01,048 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:02:01,055 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;@78039eb6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:02:01,055 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:02:01,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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) [2023-11-19 05:02:01,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 05:02:01,071 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:01,072 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] [2023-11-19 05:02:01,072 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:02:01,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:01,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1053686232, now seen corresponding path program 1 times [2023-11-19 05:02:01,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:01,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724542754] [2023-11-19 05:02:01,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:01,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:01,240 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:02:01,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [281034529] [2023-11-19 05:02:01,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:01,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:02:01,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:02:01,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:02:01,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:02:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:02:01,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:02:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:02:01,617 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:02:01,622 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:02:01,624 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:02:01,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:02:01,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:02:01,850 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:02:01,854 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:02:01,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:02:01 BoogieIcfgContainer [2023-11-19 05:02:01,923 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:02:01,924 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:02:01,924 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:02:01,924 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:02:01,925 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:00" (3/4) ... [2023-11-19 05:02:01,928 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:02:01,929 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:02:01,930 INFO L158 Benchmark]: Toolchain (without parser) took 2200.21ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 97.0MB in the end (delta: 30.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-19 05:02:01,931 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:02:01,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.25ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 114.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:02:01,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.52ms. Allocated memory is still 172.0MB. Free memory was 114.8MB in the beginning and 112.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:02:01,933 INFO L158 Benchmark]: Boogie Preprocessor took 45.16ms. Allocated memory is still 172.0MB. Free memory was 112.2MB in the beginning and 110.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:02:01,934 INFO L158 Benchmark]: RCFGBuilder took 775.98ms. Allocated memory is still 172.0MB. Free memory was 110.6MB in the beginning and 132.0MB in the end (delta: -21.4MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-11-19 05:02:01,935 INFO L158 Benchmark]: TraceAbstraction took 957.13ms. Allocated memory is still 172.0MB. Free memory was 131.2MB in the beginning and 97.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 05:02:01,935 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 172.0MB. Free memory was 97.7MB in the beginning and 97.0MB in the end (delta: 666.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:02:01,939 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 115.3MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.25ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 114.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.52ms. Allocated memory is still 172.0MB. Free memory was 114.8MB in the beginning and 112.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.16ms. Allocated memory is still 172.0MB. Free memory was 112.2MB in the beginning and 110.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 775.98ms. Allocated memory is still 172.0MB. Free memory was 110.6MB in the beginning and 132.0MB in the end (delta: -21.4MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * TraceAbstraction took 957.13ms. Allocated memory is still 172.0MB. Free memory was 131.2MB in the beginning and 97.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 172.0MB. Free memory was 97.7MB in the beginning and 97.0MB in the end (delta: 666.6kB). 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 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] unsigned char var_1_7 = 32; [L24] signed long int var_1_8 = -100; [L25] signed long int var_1_10 = 5; [L26] unsigned char var_1_12 = 128; [L27] unsigned char var_1_13 = 200; [L28] unsigned char var_1_14 = 8; [L29] unsigned char var_1_15 = 0; [L30] unsigned char var_1_16 = 128; [L31] unsigned char var_1_17 = 1; [L32] signed long int var_1_18 = 2; [L33] signed long int var_1_19 = 16; [L34] signed char var_1_20 = -4; [L35] signed char var_1_21 = 10; [L36] signed long int last_1_var_1_8 = -100; [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] CALL updateLastVariables() [L96] last_1_var_1_8 = var_1_8 [L106] RET updateLastVariables() [L107] CALL updateVariables() [L66] var_1_7 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L68] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L69] var_1_10 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L71] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L72] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L73] var_1_13 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L75] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L76] var_1_14 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L78] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L79] var_1_15 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L81] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L82] var_1_16 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L84] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L85] var_1_17 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L87] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L88] var_1_19 = __VERIFIER_nondet_long() [L89] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L90] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L91] var_1_21 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=0, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=0, var_1_7=127, var_1_8=-100] [L93] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=0, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=32, var_1_20=-4, var_1_21=0, var_1_7=127, var_1_8=-100] [L107] RET updateVariables() [L108] CALL step() [L40] var_1_18 = var_1_19 [L41] var_1_20 = var_1_21 [L42] COND TRUE (var_1_18 / var_1_10) >= (var_1_18 / 128.6) [L43] var_1_8 = ((var_1_20 + (var_1_7 + last_1_var_1_8)) - var_1_20) [L51] signed long int stepLocal_0 = (var_1_8 * var_1_20) * var_1_8; [L52] COND TRUE stepLocal_0 < ((((var_1_20) > (var_1_8)) ? (var_1_20) : (var_1_8))) [L53] var_1_1 = var_1_7 [L57] COND TRUE (var_1_1 == (var_1_13 - var_1_14)) && var_1_15 [L58] COND TRUE \read(var_1_15) [L59] var_1_12 = (((((var_1_16 - var_1_14)) > (var_1_7)) ? ((var_1_16 - var_1_14)) : (var_1_7))) [L108] RET step() [L109] CALL, EXPR property() [L99-L100] return (((((((var_1_8 * var_1_20) * var_1_8) < ((((var_1_20) > (var_1_8)) ? (var_1_20) : (var_1_8)))) ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_7))) && (((var_1_18 / var_1_10) >= (var_1_18 / 128.6)) ? (var_1_8 == ((signed long int) ((var_1_20 + (var_1_7 + last_1_var_1_8)) - var_1_20))) : ((var_1_18 <= var_1_10) ? (var_1_8 == ((signed long int) 256)) : (var_1_8 == ((signed long int) var_1_20))))) && (((var_1_1 == (var_1_13 - var_1_14)) && var_1_15) ? (var_1_15 ? (var_1_12 == ((unsigned char) (((((var_1_16 - var_1_14)) > (var_1_7)) ? ((var_1_16 - var_1_14)) : (var_1_7))))) : 1) : (var_1_12 == ((unsigned char) var_1_17)))) && (var_1_18 == ((signed long int) var_1_19))) && (var_1_20 == ((signed char) var_1_21)) ; [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=127, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=127, var_1_20=0, var_1_21=0, var_1_7=127, var_1_8=27] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=127, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=127, var_1_20=0, var_1_21=0, var_1_7=127, var_1_8=27] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 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 [2023-11-19 05:02:01,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ --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 9f8ab662dd9273644bc21529efd901dee59500e9d872803325541e37cbf4bcae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:02:04,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:02:04,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:02:04,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:02:04,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:02:04,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:02:04,863 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:02:04,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:02:04,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:02:04,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:02:04,871 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:02:04,871 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:02:04,872 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:02:04,873 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:02:04,874 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:02:04,874 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:02:04,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:02:04,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:02:04,877 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:02:04,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:02:04,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:02:04,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:02:04,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:02:04,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:02:04,881 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:02:04,881 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:02:04,882 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:02:04,882 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:02:04,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:02:04,883 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:02:04,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:02:04,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:02:04,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:02:04,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:04,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:02:04,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:02:04,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:02:04,887 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:02:04,888 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:02:04,889 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:02:04,889 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:02:04,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:02:04,890 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_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f8ab662dd9273644bc21529efd901dee59500e9d872803325541e37cbf4bcae [2023-11-19 05:02:05,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:02:05,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:02:05,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:02:05,385 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:02:05,385 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:02:05,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i [2023-11-19 05:02:08,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:02:08,905 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:02:08,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i [2023-11-19 05:02:08,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/data/ac1e56d17/1713ef3259eb4740b6110875b3a79f08/FLAG1c06d089a [2023-11-19 05:02:08,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/data/ac1e56d17/1713ef3259eb4740b6110875b3a79f08 [2023-11-19 05:02:08,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:02:08,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:02:08,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:08,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:02:08,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:02:08,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:08" (1/1) ... [2023-11-19 05:02:08,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e91121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:08, skipping insertion in model container [2023-11-19 05:02:08,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:08" (1/1) ... [2023-11-19 05:02:08,971 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:02:09,164 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_6b36d21b-e608-4739-a86d-1373b0899a26/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i[916,929] [2023-11-19 05:02:09,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:09,271 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:02:09,288 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_6b36d21b-e608-4739-a86d-1373b0899a26/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i[916,929] [2023-11-19 05:02:09,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:09,350 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:02:09,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:09 WrapperNode [2023-11-19 05:02:09,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:09,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:09,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:02:09,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:02:09,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:09" (1/1) ... [2023-11-19 05:02:09,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:09" (1/1) ... [2023-11-19 05:02:09,429 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2023-11-19 05:02:09,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:09,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:02:09,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:02:09,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:02:09,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:09" (1/1) ... [2023-11-19 05:02:09,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:09" (1/1) ... [2023-11-19 05:02:09,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:09" (1/1) ... [2023-11-19 05:02:09,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:09" (1/1) ... [2023-11-19 05:02:09,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:09" (1/1) ... [2023-11-19 05:02:09,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:09" (1/1) ... [2023-11-19 05:02:09,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:09" (1/1) ... [2023-11-19 05:02:09,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:09" (1/1) ... [2023-11-19 05:02:09,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:02:09,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:02:09,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:02:09,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:02:09,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:09" (1/1) ... [2023-11-19 05:02:09,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:09,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:02:09,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:02:09,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:02:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:02:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:02:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:02:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:02:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:02:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:02:09,769 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:02:09,771 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:02:16,550 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:02:16,560 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:02:16,563 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:02:16,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:16 BoogieIcfgContainer [2023-11-19 05:02:16,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:02:16,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:02:16,571 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:02:16,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:02:16,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:02:08" (1/3) ... [2023-11-19 05:02:16,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e79b263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:16, skipping insertion in model container [2023-11-19 05:02:16,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:09" (2/3) ... [2023-11-19 05:02:16,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e79b263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:16, skipping insertion in model container [2023-11-19 05:02:16,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:16" (3/3) ... [2023-11-19 05:02:16,586 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-75.i [2023-11-19 05:02:16,605 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:02:16,605 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:02:16,662 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:02:16,669 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;@5ba638b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:02:16,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:02:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 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) [2023-11-19 05:02:16,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 05:02:16,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:16,689 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] [2023-11-19 05:02:16,690 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:02:16,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:16,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2136437362, now seen corresponding path program 1 times [2023-11-19 05:02:16,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:02:16,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1703457091] [2023-11-19 05:02:16,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:16,718 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 [2023-11-19 05:02:16,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:02:16,722 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:02:16,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:02:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:17,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:02:17,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:02:17,881 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-19 05:02:17,888 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:02:17,889 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:02:17,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1703457091] [2023-11-19 05:02:17,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1703457091] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:17,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:17,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:02:17,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746472060] [2023-11-19 05:02:17,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:17,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:02:17,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:02:17,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:02:17,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:02:17,954 INFO L87 Difference]: Start difference. First operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 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 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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) [2023-11-19 05:02:18,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:18,006 INFO L93 Difference]: Finished difference Result 99 states and 171 transitions. [2023-11-19 05:02:18,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:02:18,011 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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 117 [2023-11-19 05:02:18,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:18,021 INFO L225 Difference]: With dead ends: 99 [2023-11-19 05:02:18,021 INFO L226 Difference]: Without dead ends: 49 [2023-11-19 05:02:18,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:02:18,031 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:18,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:02:18,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-19 05:02:18,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-19 05:02:18,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 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) [2023-11-19 05:02:18,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2023-11-19 05:02:18,114 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 117 [2023-11-19 05:02:18,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:18,115 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2023-11-19 05:02:18,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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) [2023-11-19 05:02:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2023-11-19 05:02:18,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 05:02:18,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:18,125 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] [2023-11-19 05:02:18,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:02:18,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:02:18,340 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:02:18,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:18,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1235324108, now seen corresponding path program 1 times [2023-11-19 05:02:18,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:02:18,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1345408062] [2023-11-19 05:02:18,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:18,342 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 [2023-11-19 05:02:18,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:02:18,344 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:02:18,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b36d21b-e608-4739-a86d-1373b0899a26/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:02:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:19,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 05:02:19,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:02:51,205 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~var_1_19~0 c_~var_1_18~0) (= c_~var_1_21~0 c_~var_1_20~0) (= (_ bv0 32) (bvadd (_ bv100 32) c_~last_1_var_1_8~0)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (bvsdiv c_~var_1_18~0 c_~var_1_10~0)) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 643.0 5.0)))) (= (bvadd (_ bv100 32) c_~var_1_8~0) (let ((.cse0 ((_ sign_extend 24) c_~var_1_20~0))) (bvadd .cse0 ((_ zero_extend 24) c_~var_1_7~0) (bvneg .cse0)))) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32))) is different from false [2023-11-19 05:02:53,320 WARN L876 $PredicateComparison]: unable to prove that (and (= c_~var_1_19~0 c_~var_1_18~0) (= c_~var_1_21~0 c_~var_1_20~0) (= (_ bv0 32) (bvadd (_ bv100 32) c_~last_1_var_1_8~0)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (bvsdiv c_~var_1_18~0 c_~var_1_10~0)) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 643.0 5.0)))) (= (bvadd (_ bv100 32) c_~var_1_8~0) (let ((.cse0 ((_ sign_extend 24) c_~var_1_20~0))) (bvadd .cse0 ((_ zero_extend 24) c_~var_1_7~0) (bvneg .cse0)))) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32))) is different from true