./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E --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 2f4df22d87e0e8ce7674fab52fd296a9e3ffce9a03a9a1e4bf59c1ee4f7637ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:33:57,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:33:57,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:33:57,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:33:57,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:33:57,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:33:57,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:33:57,840 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:33:57,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:33:57,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:33:57,842 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:33:57,842 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:33:57,842 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:33:57,842 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:33:57,842 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:33:57,843 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:33:57,844 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:33:57,844 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:33:57,844 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:33:57,844 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:33:57,844 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:33:57,844 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:33:57,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:33:57,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:33:57,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:33:57,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:33:57,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:33:57,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:33:57,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:33:57,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:33:57,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:33:57,845 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:33:57,845 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:33:57,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:33:57,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:33:57,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:33:57,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:33:57,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:33:57,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:33:57,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:33:57,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:33:57,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:33:57,846 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:33:57,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:33:57,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:33:57,846 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:33:57,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:33:57,848 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E 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 -> 2f4df22d87e0e8ce7674fab52fd296a9e3ffce9a03a9a1e4bf59c1ee4f7637ff [2024-11-13 23:33:58,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:33:58,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:33:58,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:33:58,164 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:33:58,164 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:33:58,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i Unable to find full path for "g++" [2024-11-13 23:34:00,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:34:00,373 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:34:00,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i [2024-11-13 23:34:00,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/data/271a528e7/b98849caa11145f1933ee538490a4409/FLAGfba578692 [2024-11-13 23:34:00,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/data/271a528e7/b98849caa11145f1933ee538490a4409 [2024-11-13 23:34:00,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:34:00,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:34:00,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:34:00,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:34:00,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:34:00,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:34:00" (1/1) ... [2024-11-13 23:34:00,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a67b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:00, skipping insertion in model container [2024-11-13 23:34:00,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:34:00" (1/1) ... [2024-11-13 23:34:00,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:34:00,842 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i[916,929] [2024-11-13 23:34:00,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:34:00,920 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:34:00,929 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i[916,929] [2024-11-13 23:34:00,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:34:00,966 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:34:00,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:00 WrapperNode [2024-11-13 23:34:00,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:34:00,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:34:00,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:34:00,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:34:00,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:00" (1/1) ... [2024-11-13 23:34:00,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:00" (1/1) ... [2024-11-13 23:34:01,012 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-13 23:34:01,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:34:01,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:34:01,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:34:01,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:34:01,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:00" (1/1) ... [2024-11-13 23:34:01,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:00" (1/1) ... [2024-11-13 23:34:01,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:00" (1/1) ... [2024-11-13 23:34:01,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:00" (1/1) ... [2024-11-13 23:34:01,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:00" (1/1) ... [2024-11-13 23:34:01,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:00" (1/1) ... [2024-11-13 23:34:01,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:00" (1/1) ... [2024-11-13 23:34:01,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:00" (1/1) ... [2024-11-13 23:34:01,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:34:01,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:34:01,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:34:01,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:34:01,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:00" (1/1) ... [2024-11-13 23:34:01,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:34:01,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:34:01,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:34:01,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:34:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:34:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:34:01,117 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:34:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:34:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:34:01,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:34:01,201 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:34:01,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:34:01,535 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 23:34:01,535 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:34:01,666 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:34:01,666 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:34:01,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:34:01 BoogieIcfgContainer [2024-11-13 23:34:01,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:34:01,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:34:01,669 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:34:01,674 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:34:01,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:34:00" (1/3) ... [2024-11-13 23:34:01,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e082842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:34:01, skipping insertion in model container [2024-11-13 23:34:01,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:00" (2/3) ... [2024-11-13 23:34:01,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e082842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:34:01, skipping insertion in model container [2024-11-13 23:34:01,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:34:01" (3/3) ... [2024-11-13 23:34:01,677 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-77.i [2024-11-13 23:34:01,695 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:34:01,697 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-77.i that has 2 procedures, 43 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:34:01,743 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:34:01,758 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4d8fcebe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:34:01,758 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:34:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 23:34:01,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 23:34:01,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:34:01,773 INFO L215 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:34:01,774 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:34:01,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:34:01,778 INFO L85 PathProgramCache]: Analyzing trace with hash -2123811036, now seen corresponding path program 1 times [2024-11-13 23:34:01,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:34:01,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71200344] [2024-11-13 23:34:01,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:34:01,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:34:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:34:02,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [987373286] [2024-11-13 23:34:02,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:34:02,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:34:02,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:34:02,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:34:02,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:34:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:34:02,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:34:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:34:02,661 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-13 23:34:02,663 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 23:34:02,665 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 23:34:02,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:34:02,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-13 23:34:02,872 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 23:34:02,966 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:34:02,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:34:02 BoogieIcfgContainer [2024-11-13 23:34:02,974 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:34:02,975 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:34:02,975 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:34:02,975 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:34:02,975 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:34:01" (3/4) ... [2024-11-13 23:34:02,978 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:34:02,978 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:34:02,979 INFO L158 Benchmark]: Toolchain (without parser) took 2313.91ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 94.2MB in the end (delta: 24.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-11-13 23:34:02,979 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:34:02,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.05ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 105.6MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:34:02,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.31ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 103.2MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:34:02,980 INFO L158 Benchmark]: Boogie Preprocessor took 28.86ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 101.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:34:02,981 INFO L158 Benchmark]: RCFGBuilder took 621.92ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 73.5MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:34:02,981 INFO L158 Benchmark]: TraceAbstraction took 1304.73ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 94.3MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:34:02,981 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 94.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:34:02,983 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.05ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 105.6MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.31ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 103.2MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.86ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 101.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 621.92ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 73.5MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1304.73ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 94.3MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 94.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 50; [L23] unsigned short int var_1_4 = 60871; [L24] unsigned short int var_1_5 = 1; [L25] unsigned short int var_1_6 = 28896; [L26] unsigned short int var_1_7 = 5; [L27] signed long int var_1_8 = 63; [L28] signed long int var_1_9 = 49; [L29] signed long int var_1_10 = 31; [L30] signed long int var_1_11 = 255; [L31] signed long int var_1_12 = 0; [L32] signed short int var_1_13 = -8; [L33] signed long int var_1_15 = 1000000000; [L34] unsigned short int var_1_16 = 4; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 1; [L109] isInitial = 1 [L110] FCALL initially() [L111] COND TRUE 1 [L112] FCALL updateLastVariables() [L113] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_ushort() [L68] CALL assume_abort_if_not(var_1_4 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_4 >= 32767) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L69] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L70] var_1_5 = __VERIFIER_nondet_ushort() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L72] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L73] var_1_6 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_6 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=5, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_6 >= 16383) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=5, var_1_8=63, var_1_9=49] [L75] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=5, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=5, var_1_8=63, var_1_9=49] [L76] var_1_7 = __VERIFIER_nondet_ushort() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_8=63, var_1_9=49] [L78] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=49] [L79] var_1_9 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L82] var_1_10 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L85] var_1_11 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L88] var_1_12 = __VERIFIER_nondet_long() [L89] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L91] var_1_15 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=715827883, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=715827883, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=715827883, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=715827883, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=715827883, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=715827883, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L95] var_1_17 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=715827883, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=715827883, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=715827883, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=715827883, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L98] var_1_18 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=715827883, var_1_16=4, var_1_17=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=715827883, var_1_16=4, var_1_17=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=715827883, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=715827883, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=63, var_1_9=0] [L113] RET updateVariables() [L114] CALL step() [L40] COND FALSE !(var_1_7 > var_1_5) [L43] var_1_8 = (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - (var_1_12 - 3.4f)) [L45] unsigned short int stepLocal_0 = var_1_6; [L46] COND TRUE stepLocal_0 <= var_1_5 [L47] COND TRUE ((((var_1_8) > ((var_1_12 / var_1_15))) ? (var_1_8) : ((var_1_12 / var_1_15)))) > ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8))) [L48] var_1_13 = var_1_7 [L53] COND FALSE !(var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) [L60] var_1_16 = var_1_6 [L62] COND FALSE !(var_1_8 != var_1_8) [L114] RET step() [L115] CALL, EXPR property() [L105-L106] return ((((var_1_8 != var_1_8) ? (var_1_1 == ((unsigned short int) (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))))) : 1) && ((var_1_7 > var_1_5) ? (var_1_8 == ((signed long int) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_8 == ((signed long int) (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - (var_1_12 - 3.4f)))))) && ((var_1_6 <= var_1_5) ? ((((((var_1_8) > ((var_1_12 / var_1_15))) ? (var_1_8) : ((var_1_12 / var_1_15)))) > ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) ? (var_1_13 == ((signed short int) var_1_7)) : 1) : (var_1_13 == ((signed short int) var_1_7)))) && ((var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) ? ((var_1_17 || var_1_18) ? (var_1_16 == ((unsigned short int) var_1_4)) : (var_1_16 == ((unsigned short int) var_1_7))) : (var_1_16 == ((unsigned short int) var_1_6))) ; [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=16383, var_1_15=715827883, var_1_16=16383, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=16383, var_1_15=715827883, var_1_16=16383, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=16383, var_1_6=16383, var_1_7=16383, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:34:03,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E --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 2f4df22d87e0e8ce7674fab52fd296a9e3ffce9a03a9a1e4bf59c1ee4f7637ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:34:05,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:34:05,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-13 23:34:05,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:34:05,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:34:05,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:34:05,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:34:05,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:34:05,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:34:05,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:34:05,895 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:34:05,895 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:34:05,896 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:34:05,900 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:34:05,900 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:34:05,900 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:34:05,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:34:05,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:34:05,901 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:34:05,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:34:05,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:34:05,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:34:05,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:34:05,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:34:05,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:34:05,901 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:34:05,901 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:34:05,901 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:34:05,901 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:34:05,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:34:05,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:34:05,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:34:05,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 23:34:05,902 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:34:05,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:34:05,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:34:05,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:34:05,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:34:05,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:34:05,903 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:34:05,903 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:05,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:34:05,903 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:34:05,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E 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 -> 2f4df22d87e0e8ce7674fab52fd296a9e3ffce9a03a9a1e4bf59c1ee4f7637ff [2024-11-13 23:34:06,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:34:06,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:34:06,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:34:06,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:34:06,233 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:34:06,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i Unable to find full path for "g++" [2024-11-13 23:34:08,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:34:08,477 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:34:08,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i [2024-11-13 23:34:08,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/data/ccf708d66/4f17e77279e84231a22cee980cec106e/FLAGb83185758 [2024-11-13 23:34:08,752 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/data/ccf708d66/4f17e77279e84231a22cee980cec106e [2024-11-13 23:34:08,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:34:08,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:34:08,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:34:08,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:34:08,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:34:08,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:34:08" (1/1) ... [2024-11-13 23:34:08,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be309a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:08, skipping insertion in model container [2024-11-13 23:34:08,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:34:08" (1/1) ... [2024-11-13 23:34:08,782 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:34:08,908 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i[916,929] [2024-11-13 23:34:08,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:34:08,982 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:34:08,993 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i[916,929] [2024-11-13 23:34:09,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:34:09,033 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:34:09,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:09 WrapperNode [2024-11-13 23:34:09,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:34:09,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:34:09,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:34:09,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:34:09,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:09" (1/1) ... [2024-11-13 23:34:09,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:09" (1/1) ... [2024-11-13 23:34:09,085 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2024-11-13 23:34:09,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:34:09,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:34:09,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:34:09,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:34:09,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:09" (1/1) ... [2024-11-13 23:34:09,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:09" (1/1) ... [2024-11-13 23:34:09,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:09" (1/1) ... [2024-11-13 23:34:09,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:09" (1/1) ... [2024-11-13 23:34:09,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:09" (1/1) ... [2024-11-13 23:34:09,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:09" (1/1) ... [2024-11-13 23:34:09,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:09" (1/1) ... [2024-11-13 23:34:09,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:09" (1/1) ... [2024-11-13 23:34:09,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:34:09,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:34:09,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:34:09,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:34:09,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:09" (1/1) ... [2024-11-13 23:34:09,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:34:09,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:34:09,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:34:09,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:34:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:34:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:34:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:34:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:34:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:34:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:34:09,301 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:34:09,302 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:34:13,715 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 23:34:13,716 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:34:13,727 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:34:13,727 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:34:13,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:34:13 BoogieIcfgContainer [2024-11-13 23:34:13,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:34:13,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:34:13,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:34:13,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:34:13,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:34:08" (1/3) ... [2024-11-13 23:34:13,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e23923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:34:13, skipping insertion in model container [2024-11-13 23:34:13,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:34:09" (2/3) ... [2024-11-13 23:34:13,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e23923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:34:13, skipping insertion in model container [2024-11-13 23:34:13,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:34:13" (3/3) ... [2024-11-13 23:34:13,739 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-77.i [2024-11-13 23:34:13,755 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:34:13,756 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-77.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:34:13,808 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:34:13,819 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@daadc20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:34:13,820 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:34:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 23:34:13,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 23:34:13,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:34:13,837 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:34:13,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:34:13,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:34:13,842 INFO L85 PathProgramCache]: Analyzing trace with hash 46845481, now seen corresponding path program 1 times [2024-11-13 23:34:13,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:34:13,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585571954] [2024-11-13 23:34:13,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:34:13,855 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:34:13,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:34:13,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:34:13,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 23:34:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:14,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:34:14,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:14,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 23:34:14,282 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:34:14,282 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:34:14,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585571954] [2024-11-13 23:34:14,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585571954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:34:14,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:34:14,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:34:14,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217475960] [2024-11-13 23:34:14,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:34:14,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 23:34:14,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:34:14,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 23:34:14,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:34:14,332 INFO L87 Difference]: Start difference. First operand has 60 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 23:34:14,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:34:14,371 INFO L93 Difference]: Finished difference Result 113 states and 199 transitions. [2024-11-13 23:34:14,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 23:34:14,374 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-13 23:34:14,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:34:14,383 INFO L225 Difference]: With dead ends: 113 [2024-11-13 23:34:14,383 INFO L226 Difference]: Without dead ends: 56 [2024-11-13 23:34:14,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:34:14,392 INFO L432 NwaCegarLoop]: 83 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, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:34:14,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:34:14,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-13 23:34:14,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-13 23:34:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 23:34:14,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 83 transitions. [2024-11-13 23:34:14,435 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 83 transitions. Word has length 140 [2024-11-13 23:34:14,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:34:14,436 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 83 transitions. [2024-11-13 23:34:14,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 23:34:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-11-13 23:34:14,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 23:34:14,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:34:14,441 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:34:14,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 23:34:14,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:34:14,642 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:34:14,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:34:14,643 INFO L85 PathProgramCache]: Analyzing trace with hash 48692523, now seen corresponding path program 1 times [2024-11-13 23:34:14,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:34:14,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644214576] [2024-11-13 23:34:14,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:34:14,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:34:14,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:34:14,647 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:34:14,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 23:34:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:34:14,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:34:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:34:15,200 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-13 23:34:15,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [429950368] [2024-11-13 23:34:15,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:34:15,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:15,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-13 23:34:15,209 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:15,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5d2f5d-eb30-41e9-aece-831b268c1c87/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:34:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:15,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 23:34:15,877 INFO L278 TraceCheckSpWp]: Computing forward predicates...