./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh --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 c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:17:17,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:17:17,416 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 17:17:17,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:17:17,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:17:17,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:17:17,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:17:17,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:17:17,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:17:17,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:17:17,450 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:17:17,450 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:17:17,451 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:17:17,451 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:17:17,452 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:17:17,452 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:17:17,453 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:17:17,453 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:17:17,454 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:17:17,454 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:17:17,454 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:17:17,455 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:17:17,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:17:17,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:17:17,456 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:17:17,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:17:17,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:17:17,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:17:17,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:17:17,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:17:17,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:17:17,459 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:17:17,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:17:17,459 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:17:17,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:17:17,460 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:17:17,460 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:17:17,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:17:17,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:17:17,461 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:17:17,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:17:17,461 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:17:17,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:17:17,461 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:17:17,462 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:17:17,462 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:17:17,462 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:17:17,462 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_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e [2023-12-02 17:17:17,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:17:17,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:17:17,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:17:17,709 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:17:17,710 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:17:17,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2023-12-02 17:17:20,466 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:17:20,644 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:17:20,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2023-12-02 17:17:20,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/data/3d3366204/53c816ad85b14dacbc006a2d6eab33ec/FLAGa4e279783 [2023-12-02 17:17:20,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/data/3d3366204/53c816ad85b14dacbc006a2d6eab33ec [2023-12-02 17:17:20,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:17:20,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:17:20,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:17:20,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:17:20,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:17:20,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:17:20" (1/1) ... [2023-12-02 17:17:20,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56694fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:20, skipping insertion in model container [2023-12-02 17:17:20,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:17:20" (1/1) ... [2023-12-02 17:17:20,713 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:17:20,857 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_cce6d071-ea8b-4882-be58-024eff8e5a34/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2023-12-02 17:17:20,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:17:20,913 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:17:20,926 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_cce6d071-ea8b-4882-be58-024eff8e5a34/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2023-12-02 17:17:20,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:17:20,958 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:17:20,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:20 WrapperNode [2023-12-02 17:17:20,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:17:20,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:17:20,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:17:20,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:17:20,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:20" (1/1) ... [2023-12-02 17:17:20,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:20" (1/1) ... [2023-12-02 17:17:21,002 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2023-12-02 17:17:21,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:17:21,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:17:21,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:17:21,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:17:21,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:20" (1/1) ... [2023-12-02 17:17:21,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:20" (1/1) ... [2023-12-02 17:17:21,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:20" (1/1) ... [2023-12-02 17:17:21,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:20" (1/1) ... [2023-12-02 17:17:21,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:20" (1/1) ... [2023-12-02 17:17:21,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:20" (1/1) ... [2023-12-02 17:17:21,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:20" (1/1) ... [2023-12-02 17:17:21,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:20" (1/1) ... [2023-12-02 17:17:21,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:17:21,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:17:21,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:17:21,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:17:21,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:20" (1/1) ... [2023-12-02 17:17:21,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:17:21,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:17:21,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:17:21,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:17:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:17:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:17:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:17:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:17:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:17:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:17:21,169 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:17:21,171 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:17:21,421 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:17:21,513 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:17:21,513 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:17:21,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:17:21 BoogieIcfgContainer [2023-12-02 17:17:21,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:17:21,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:17:21,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:17:21,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:17:21,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:17:20" (1/3) ... [2023-12-02 17:17:21,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412957ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:17:21, skipping insertion in model container [2023-12-02 17:17:21,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:20" (2/3) ... [2023-12-02 17:17:21,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412957ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:17:21, skipping insertion in model container [2023-12-02 17:17:21,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:17:21" (3/3) ... [2023-12-02 17:17:21,523 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-80.i [2023-12-02 17:17:21,540 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:17:21,541 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:17:21,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:17:21,588 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;@27784386, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:17:21,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:17:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 17:17:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 17:17:21,601 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:17:21,602 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:17:21,602 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:17:21,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:17:21,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1140775580, now seen corresponding path program 1 times [2023-12-02 17:17:21,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:17:21,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488118883] [2023-12-02 17:17:21,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:17:21,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:17:21,751 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:17:21,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [506208020] [2023-12-02 17:17:21,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:17:21,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:17:21,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:17:21,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:17:21,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 17:17:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:17:21,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 17:17:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:17:22,093 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 17:17:22,096 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 17:17:22,097 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 17:17:22,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:17:22,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 17:17:22,303 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 17:17:22,307 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:17:22,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:17:22 BoogieIcfgContainer [2023-12-02 17:17:22,379 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:17:22,380 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:17:22,380 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:17:22,380 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:17:22,381 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:17:21" (3/4) ... [2023-12-02 17:17:22,383 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 17:17:22,383 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:17:22,384 INFO L158 Benchmark]: Toolchain (without parser) took 1711.45ms. Allocated memory is still 172.0MB. Free memory was 127.7MB in the beginning and 97.6MB in the end (delta: 30.1MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-12-02 17:17:22,385 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:17:22,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.46ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 114.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 17:17:22,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.63ms. Allocated memory is still 172.0MB. Free memory was 114.2MB in the beginning and 111.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:17:22,386 INFO L158 Benchmark]: Boogie Preprocessor took 28.06ms. Allocated memory is still 172.0MB. Free memory was 111.7MB in the beginning and 110.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:17:22,387 INFO L158 Benchmark]: RCFGBuilder took 482.26ms. Allocated memory is still 172.0MB. Free memory was 110.1MB in the beginning and 135.4MB in the end (delta: -25.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-12-02 17:17:22,388 INFO L158 Benchmark]: TraceAbstraction took 862.57ms. Allocated memory is still 172.0MB. Free memory was 134.7MB in the beginning and 97.6MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 17:17:22,388 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 172.0MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:17:22,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.46ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 114.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.63ms. Allocated memory is still 172.0MB. Free memory was 114.2MB in the beginning and 111.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.06ms. Allocated memory is still 172.0MB. Free memory was 111.7MB in the beginning and 110.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 482.26ms. Allocated memory is still 172.0MB. Free memory was 110.1MB in the beginning and 135.4MB in the end (delta: -25.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * TraceAbstraction took 862.57ms. Allocated memory is still 172.0MB. Free memory was 134.7MB in the beginning and 97.6MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 172.0MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed long int var_1_8 = 128; [L24] signed short int var_1_9 = -1; [L25] signed short int var_1_10 = 1; [L26] signed char var_1_12 = 0; [L27] unsigned char var_1_13 = 1; [L28] signed char var_1_14 = 2; [L29] signed long int var_1_15 = 1; [L30] signed long int var_1_16 = 25; [L31] signed long int var_1_17 = 5; [L32] signed long int var_1_18 = 4; [L33] signed long int var_1_19 = 500; [L34] signed long int var_1_20 = 127; [L35] signed long int var_1_21 = 1; [L36] signed long int var_1_22 = 99; [L37] unsigned short int var_1_23 = 4; [L38] signed char var_1_24 = -64; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L62] var_1_8 = __VERIFIER_nondet_long() [L63] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L64] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L65] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L66] var_1_9 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L68] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L69] var_1_10 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L72] var_1_13 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L75] var_1_14 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L78] var_1_16 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L80] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L81] var_1_17 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_17 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_17 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L83] CALL assume_abort_if_not(var_1_17 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_17 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L84] var_1_18 = __VERIFIER_nondet_long() [L85] CALL assume_abort_if_not(var_1_18 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_18 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L86] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L87] var_1_19 = __VERIFIER_nondet_long() [L88] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=2147483647, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=2147483647, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=2147483647, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=2147483647, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L90] var_1_20 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=2147483647, var_1_1=256, var_1_20=2147483647, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=2147483647, var_1_1=256, var_1_20=2147483647, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=2147483647, var_1_1=256, var_1_20=2147483647, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=2147483647, var_1_1=256, var_1_20=2147483647, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L93] var_1_21 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=2147483647, var_1_1=256, var_1_20=2147483647, var_1_21=0, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=2147483647, var_1_1=256, var_1_20=2147483647, var_1_21=0, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_21 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=2147483647, var_1_1=256, var_1_20=2147483647, var_1_21=0, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_21 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=2147483647, var_1_1=256, var_1_20=2147483647, var_1_21=0, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L108] RET updateVariables() [L109] CALL step() [L42] var_1_22 = var_1_19 [L43] var_1_23 = var_1_10 [L44] var_1_24 = var_1_14 [L45] unsigned char stepLocal_0 = var_1_23 <= var_1_24; [L46] COND FALSE !(var_1_13 || stepLocal_0) [L49] var_1_12 = var_1_14 [L51] signed short int stepLocal_1 = var_1_10; [L52] COND TRUE stepLocal_1 <= (var_1_23 / var_1_8) [L53] var_1_15 = ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))) [L57] COND TRUE (((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8)))) [L58] var_1_1 = (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))) [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((((((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8))))) ? (var_1_1 == ((signed short int) (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))))) : 1) && ((var_1_13 || (var_1_23 <= var_1_24)) ? (var_1_12 == ((signed char) ((((1 - var_1_14) < 0 ) ? -(1 - var_1_14) : (1 - var_1_14))))) : (var_1_12 == ((signed char) var_1_14)))) && ((var_1_10 <= (var_1_23 / var_1_8)) ? (var_1_15 == ((signed long int) ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))))) : (var_1_15 == ((signed long int) (var_1_20 - var_1_21))))) && (var_1_22 == ((signed long int) var_1_19))) && (var_1_23 == ((unsigned short int) var_1_10))) && (var_1_24 == ((signed char) var_1_14)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=2147483647, var_1_1=0, var_1_20=2147483647, var_1_21=0, var_1_22=2147483647, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2147483647, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=2147483647, var_1_1=0, var_1_20=2147483647, var_1_21=0, var_1_22=2147483647, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 17:17:22,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh --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 c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:17:24,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:17:24,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 17:17:24,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:17:24,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:17:24,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:17:24,439 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:17:24,439 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:17:24,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:17:24,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:17:24,441 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:17:24,442 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:17:24,442 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:17:24,443 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:17:24,443 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:17:24,444 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:17:24,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:17:24,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:17:24,446 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:17:24,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:17:24,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:17:24,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:17:24,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:17:24,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:17:24,449 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:17:24,449 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:17:24,450 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:17:24,450 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:17:24,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:17:24,451 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:17:24,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:17:24,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:17:24,452 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:17:24,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:17:24,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:17:24,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:17:24,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:17:24,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:17:24,453 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:17:24,454 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:17:24,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:17:24,454 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:17:24,455 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:17:24,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:17:24,455 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_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e [2023-12-02 17:17:24,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:17:24,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:17:24,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:17:24,780 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:17:24,780 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:17:24,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2023-12-02 17:17:27,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:17:27,734 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:17:27,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2023-12-02 17:17:27,748 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/data/3568ecc0c/8a02866fd8c9454d833f325747393441/FLAG4b3231c00 [2023-12-02 17:17:27,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/data/3568ecc0c/8a02866fd8c9454d833f325747393441 [2023-12-02 17:17:27,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:17:27,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:17:27,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:17:27,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:17:27,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:17:27,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:17:27" (1/1) ... [2023-12-02 17:17:27,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e8fed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:27, skipping insertion in model container [2023-12-02 17:17:27,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:17:27" (1/1) ... [2023-12-02 17:17:27,801 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:17:27,942 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_cce6d071-ea8b-4882-be58-024eff8e5a34/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2023-12-02 17:17:27,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:17:28,005 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:17:28,018 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_cce6d071-ea8b-4882-be58-024eff8e5a34/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2023-12-02 17:17:28,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:17:28,073 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:17:28,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:28 WrapperNode [2023-12-02 17:17:28,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:17:28,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:17:28,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:17:28,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:17:28,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:28" (1/1) ... [2023-12-02 17:17:28,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:28" (1/1) ... [2023-12-02 17:17:28,121 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2023-12-02 17:17:28,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:17:28,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:17:28,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:17:28,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:17:28,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:28" (1/1) ... [2023-12-02 17:17:28,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:28" (1/1) ... [2023-12-02 17:17:28,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:28" (1/1) ... [2023-12-02 17:17:28,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:28" (1/1) ... [2023-12-02 17:17:28,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:28" (1/1) ... [2023-12-02 17:17:28,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:28" (1/1) ... [2023-12-02 17:17:28,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:28" (1/1) ... [2023-12-02 17:17:28,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:28" (1/1) ... [2023-12-02 17:17:28,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:17:28,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:17:28,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:17:28,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:17:28,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:28" (1/1) ... [2023-12-02 17:17:28,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:17:28,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:17:28,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:17:28,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:17:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:17:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 17:17:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:17:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:17:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:17:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:17:28,313 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:17:28,316 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:17:30,989 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:17:31,046 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:17:31,046 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:17:31,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:17:31 BoogieIcfgContainer [2023-12-02 17:17:31,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:17:31,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:17:31,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:17:31,054 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:17:31,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:17:27" (1/3) ... [2023-12-02 17:17:31,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f2f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:17:31, skipping insertion in model container [2023-12-02 17:17:31,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:17:28" (2/3) ... [2023-12-02 17:17:31,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f2f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:17:31, skipping insertion in model container [2023-12-02 17:17:31,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:17:31" (3/3) ... [2023-12-02 17:17:31,057 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-80.i [2023-12-02 17:17:31,077 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:17:31,077 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:17:31,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:17:31,134 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;@3fcce919, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:17:31,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:17:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 25 states have (on average 1.32) internal successors, (33), 26 states have internal predecessors, (33), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 17:17:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-02 17:17:31,153 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:17:31,154 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:17:31,155 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:17:31,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:17:31,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1047730524, now seen corresponding path program 1 times [2023-12-02 17:17:31,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:17:31,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [477317493] [2023-12-02 17:17:31,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:17:31,176 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 [2023-12-02 17:17:31,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:17:31,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:17:31,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:17:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:17:31,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 17:17:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:17:31,640 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-12-02 17:17:31,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2001323144] [2023-12-02 17:17:31,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:17:31,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:17:31,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:17:31,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:17:31,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce6d071-ea8b-4882-be58-024eff8e5a34/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 17:17:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:17:32,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 17:17:32,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:23:18,061 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse34 ((_ sign_extend 24) c_~var_1_14~0)) (.cse35 ((_ sign_extend 16) c_~var_1_10~0)) (.cse0 ((_ zero_extend 16) c_~var_1_23~0))) (and (= c_~var_1_10~0 c_~var_1_23~0) (or (bvsle .cse0 ((_ sign_extend 24) c_~var_1_24~0)) (not (= c_~var_1_13~0 (_ bv0 8)))) (= c_~var_1_24~0 c_~var_1_14~0) (let ((.cse16 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0)) (.cse13 (bvsgt c_~var_1_17~0 c_~var_1_18~0)) (.cse12 (bvsgt c_~var_1_16~0 c_~var_1_18~0))) (let ((.cse17 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (.cse3 (not .cse12)) (.cse18 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_17~0)) (.cse7 (not .cse13)) (.cse31 (= c_~var_1_15~0 ((_ fp.to_sbv 32) roundTowardZero .cse16)))) (let ((.cse15 ((_ to_fp 11 53) c_currentRoundingMode (/ 18.0 5.0))) (.cse30 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_19~0)) (.cse29 (and .cse7 .cse31)) (.cse21 (and (= ((_ fp.to_sbv 32) roundTowardZero .cse18) c_~var_1_15~0) .cse13)) (.cse1 (bvslt c_~var_1_16~0 c_~var_1_17~0)) (.cse28 (and .cse3 .cse31)) (.cse26 (and .cse12 (= c_~var_1_15~0 ((_ fp.to_sbv 32) roundTowardZero .cse17))))) (let ((.cse10 (or .cse28 .cse26)) (.cse5 (not .cse1)) (.cse14 (or .cse29 .cse21)) (.cse19 (fp.gt .cse15 .cse30))) (or (and (let ((.cse6 (fp.lt .cse18 .cse15)) (.cse11 (fp.lt .cse17 .cse15))) (let ((.cse9 (fp.lt .cse16 .cse15)) (.cse4 (not .cse11)) (.cse8 (not .cse6)) (.cse2 (= c_~var_1_15~0 ((_ fp.to_sbv 32) roundTowardZero .cse15)))) (or (and (or (and .cse1 (or (and .cse2 .cse3) (and .cse2 .cse4))) (and .cse5 (or (and .cse6 .cse7 .cse2) (and .cse8 .cse2)))) (not .cse9)) (and .cse9 (or (and .cse1 (or (and .cse10 .cse11) (and .cse2 .cse12 .cse4))) (and .cse5 (or (and .cse8 .cse2 .cse13) (and .cse6 .cse14)))))))) .cse19) (and (let ((.cse22 (fp.lt .cse18 .cse30)) (.cse25 (fp.lt .cse17 .cse30))) (let ((.cse27 (fp.lt .cse16 .cse30)) (.cse24 (not .cse25)) (.cse20 (= ((_ fp.to_sbv 32) roundTowardZero .cse30) c_~var_1_15~0)) (.cse23 (not .cse22))) (or (and (or (and .cse5 (or (and (or (and .cse20 .cse7) .cse21) .cse22) (and .cse20 .cse23))) (and .cse1 (or (and .cse20 .cse24) (and .cse25 (or (and .cse20 .cse3) .cse26))))) (not .cse27)) (and .cse27 (or (and .cse1 (or (and .cse25 .cse10) (and (or (and .cse20 .cse12) .cse28) .cse24))) (and .cse5 (or (and (or .cse29 (and .cse20 .cse13)) .cse23) (and .cse14 .cse22)))))))) (not .cse19))))))) (= c_~var_1_19~0 c_~var_1_22~0) (let ((.cse33 (bvadd (bvneg .cse34) (_ bv1 32)))) (let ((.cse32 (bvslt .cse33 (_ bv0 32)))) (or (and (not .cse32) (= c_~var_1_12~0 ((_ extract 7 0) .cse33))) (and .cse32 (= c_~var_1_12~0 ((_ extract 7 0) (bvneg .cse33))))))) (bvsge .cse35 (_ bv0 32)) (bvsge .cse34 (_ bv0 32)) (bvsle .cse35 (bvsdiv .cse0 c_~var_1_8~0)))) is different from false [2023-12-02 17:23:20,110 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse34 ((_ sign_extend 24) c_~var_1_14~0)) (.cse35 ((_ sign_extend 16) c_~var_1_10~0)) (.cse0 ((_ zero_extend 16) c_~var_1_23~0))) (and (= c_~var_1_10~0 c_~var_1_23~0) (or (bvsle .cse0 ((_ sign_extend 24) c_~var_1_24~0)) (not (= c_~var_1_13~0 (_ bv0 8)))) (= c_~var_1_24~0 c_~var_1_14~0) (let ((.cse16 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0)) (.cse13 (bvsgt c_~var_1_17~0 c_~var_1_18~0)) (.cse12 (bvsgt c_~var_1_16~0 c_~var_1_18~0))) (let ((.cse17 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (.cse3 (not .cse12)) (.cse18 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_17~0)) (.cse7 (not .cse13)) (.cse31 (= c_~var_1_15~0 ((_ fp.to_sbv 32) roundTowardZero .cse16)))) (let ((.cse15 ((_ to_fp 11 53) c_currentRoundingMode (/ 18.0 5.0))) (.cse30 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_19~0)) (.cse29 (and .cse7 .cse31)) (.cse21 (and (= ((_ fp.to_sbv 32) roundTowardZero .cse18) c_~var_1_15~0) .cse13)) (.cse1 (bvslt c_~var_1_16~0 c_~var_1_17~0)) (.cse28 (and .cse3 .cse31)) (.cse26 (and .cse12 (= c_~var_1_15~0 ((_ fp.to_sbv 32) roundTowardZero .cse17))))) (let ((.cse10 (or .cse28 .cse26)) (.cse5 (not .cse1)) (.cse14 (or .cse29 .cse21)) (.cse19 (fp.gt .cse15 .cse30))) (or (and (let ((.cse6 (fp.lt .cse18 .cse15)) (.cse11 (fp.lt .cse17 .cse15))) (let ((.cse9 (fp.lt .cse16 .cse15)) (.cse4 (not .cse11)) (.cse8 (not .cse6)) (.cse2 (= c_~var_1_15~0 ((_ fp.to_sbv 32) roundTowardZero .cse15)))) (or (and (or (and .cse1 (or (and .cse2 .cse3) (and .cse2 .cse4))) (and .cse5 (or (and .cse6 .cse7 .cse2) (and .cse8 .cse2)))) (not .cse9)) (and .cse9 (or (and .cse1 (or (and .cse10 .cse11) (and .cse2 .cse12 .cse4))) (and .cse5 (or (and .cse8 .cse2 .cse13) (and .cse6 .cse14)))))))) .cse19) (and (let ((.cse22 (fp.lt .cse18 .cse30)) (.cse25 (fp.lt .cse17 .cse30))) (let ((.cse27 (fp.lt .cse16 .cse30)) (.cse24 (not .cse25)) (.cse20 (= ((_ fp.to_sbv 32) roundTowardZero .cse30) c_~var_1_15~0)) (.cse23 (not .cse22))) (or (and (or (and .cse5 (or (and (or (and .cse20 .cse7) .cse21) .cse22) (and .cse20 .cse23))) (and .cse1 (or (and .cse20 .cse24) (and .cse25 (or (and .cse20 .cse3) .cse26))))) (not .cse27)) (and .cse27 (or (and .cse1 (or (and .cse25 .cse10) (and (or (and .cse20 .cse12) .cse28) .cse24))) (and .cse5 (or (and (or .cse29 (and .cse20 .cse13)) .cse23) (and .cse14 .cse22)))))))) (not .cse19))))))) (= c_~var_1_19~0 c_~var_1_22~0) (let ((.cse33 (bvadd (bvneg .cse34) (_ bv1 32)))) (let ((.cse32 (bvslt .cse33 (_ bv0 32)))) (or (and (not .cse32) (= c_~var_1_12~0 ((_ extract 7 0) .cse33))) (and .cse32 (= c_~var_1_12~0 ((_ extract 7 0) (bvneg .cse33))))))) (bvsge .cse35 (_ bv0 32)) (bvsge .cse34 (_ bv0 32)) (bvsle .cse35 (bvsdiv .cse0 c_~var_1_8~0)))) is different from true [2023-12-02 17:29:01,393 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse40 ((_ sign_extend 24) c_~var_1_14~0))) (let ((.cse1 ((_ sign_extend 24) c_~var_1_24~0)) (.cse2 ((_ sign_extend 24) c_~var_1_12~0)) (.cse39 ((_ sign_extend 16) c_~var_1_10~0)) (.cse0 ((_ zero_extend 16) c_~var_1_23~0)) (.cse5 (bvadd (bvneg .cse40) (_ bv1 32)))) (and (= c_~var_1_10~0 c_~var_1_23~0) (or (bvsle .cse0 .cse1) (not (= c_~var_1_13~0 (_ bv0 8)))) (let ((.cse3 (bvadd (bvneg .cse0) .cse0))) (or (bvsle .cse2 .cse3) (let ((.cse4 (bvsrem .cse1 c_~var_1_8~0))) (and (bvsle .cse2 .cse4) (not (bvslt .cse3 .cse4)))))) (= c_~var_1_24~0 c_~var_1_14~0) (not (bvslt .cse5 (_ bv0 32))) (= c_~var_1_19~0 c_~var_1_22~0) (let ((.cse20 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0)) (.cse15 (bvsgt c_~var_1_17~0 c_~var_1_18~0)) (.cse11 (bvsgt c_~var_1_16~0 c_~var_1_18~0))) (let ((.cse22 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (.cse18 (not .cse11)) (.cse23 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_17~0)) (.cse19 (not .cse15)) (.cse36 (= c_~var_1_15~0 ((_ fp.to_sbv 32) roundTowardZero .cse20)))) (let ((.cse21 ((_ to_fp 11 53) c_currentRoundingMode (/ 18.0 5.0))) (.cse35 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_19~0)) (.cse34 (and .cse19 .cse36)) (.cse26 (and (= ((_ fp.to_sbv 32) roundTowardZero .cse23) c_~var_1_15~0) .cse15)) (.cse7 (bvslt c_~var_1_16~0 c_~var_1_17~0)) (.cse33 (and .cse18 .cse36)) (.cse31 (and .cse11 (= c_~var_1_15~0 ((_ fp.to_sbv 32) roundTowardZero .cse22))))) (let ((.cse8 (or .cse33 .cse31)) (.cse13 (not .cse7)) (.cse17 (or .cse34 .cse26)) (.cse24 (fp.gt .cse21 .cse35))) (or (and (let ((.cse16 (fp.lt .cse23 .cse21)) (.cse9 (fp.lt .cse22 .cse21))) (let ((.cse12 (not .cse9)) (.cse14 (not .cse16)) (.cse10 (= c_~var_1_15~0 ((_ fp.to_sbv 32) roundTowardZero .cse21))) (.cse6 (fp.lt .cse20 .cse21))) (or (and .cse6 (or (and .cse7 (or (and .cse8 .cse9) (and .cse10 .cse11 .cse12))) (and .cse13 (or (and .cse14 .cse10 .cse15) (and .cse16 .cse17))))) (and (or (and .cse7 (or (and .cse10 .cse18) (and .cse10 .cse12))) (and .cse13 (or (and .cse19 .cse10) (and .cse14 .cse10)))) (not .cse6))))) .cse24) (and (let ((.cse27 (fp.lt .cse23 .cse35)) (.cse30 (fp.lt .cse22 .cse35))) (let ((.cse32 (fp.lt .cse20 .cse35)) (.cse29 (not .cse30)) (.cse25 (= ((_ fp.to_sbv 32) roundTowardZero .cse35) c_~var_1_15~0)) (.cse28 (not .cse27))) (or (and (or (and .cse13 (or (and (or (and .cse25 .cse19) .cse26) .cse27) (and .cse25 .cse28))) (and .cse7 (or (and .cse25 .cse29) (and .cse30 (or (and .cse25 .cse18) .cse31))))) (not .cse32)) (and .cse32 (or (and .cse7 (or (and .cse30 .cse8) (and (or (and .cse25 .cse11) .cse33) .cse29))) (and .cse13 (or (and (or .cse34 (and .cse25 .cse15)) .cse28) (and .cse17 .cse27)))))))) (not .cse24))))))) (let ((.cse38 (bvadd (bvneg .cse39) ((_ sign_extend 16) c_~var_1_9~0)))) (let ((.cse37 (bvslt .cse38 .cse2))) (or (and (= c_~var_1_1~0 ((_ extract 15 0) .cse2)) (not .cse37)) (and .cse37 (= c_~var_1_1~0 ((_ extract 15 0) .cse38)))))) (bvsge .cse39 (_ bv0 32)) (bvsge .cse40 (_ bv0 32)) (bvsle .cse39 (bvsdiv .cse0 c_~var_1_8~0)) (= c_~var_1_12~0 ((_ extract 7 0) .cse5))))) is different from false [2023-12-02 17:29:03,447 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse40 ((_ sign_extend 24) c_~var_1_14~0))) (let ((.cse1 ((_ sign_extend 24) c_~var_1_24~0)) (.cse2 ((_ sign_extend 24) c_~var_1_12~0)) (.cse39 ((_ sign_extend 16) c_~var_1_10~0)) (.cse0 ((_ zero_extend 16) c_~var_1_23~0)) (.cse5 (bvadd (bvneg .cse40) (_ bv1 32)))) (and (= c_~var_1_10~0 c_~var_1_23~0) (or (bvsle .cse0 .cse1) (not (= c_~var_1_13~0 (_ bv0 8)))) (let ((.cse3 (bvadd (bvneg .cse0) .cse0))) (or (bvsle .cse2 .cse3) (let ((.cse4 (bvsrem .cse1 c_~var_1_8~0))) (and (bvsle .cse2 .cse4) (not (bvslt .cse3 .cse4)))))) (= c_~var_1_24~0 c_~var_1_14~0) (not (bvslt .cse5 (_ bv0 32))) (= c_~var_1_19~0 c_~var_1_22~0) (let ((.cse20 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0)) (.cse15 (bvsgt c_~var_1_17~0 c_~var_1_18~0)) (.cse11 (bvsgt c_~var_1_16~0 c_~var_1_18~0))) (let ((.cse22 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (.cse18 (not .cse11)) (.cse23 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_17~0)) (.cse19 (not .cse15)) (.cse36 (= c_~var_1_15~0 ((_ fp.to_sbv 32) roundTowardZero .cse20)))) (let ((.cse21 ((_ to_fp 11 53) c_currentRoundingMode (/ 18.0 5.0))) (.cse35 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_19~0)) (.cse34 (and .cse19 .cse36)) (.cse26 (and (= ((_ fp.to_sbv 32) roundTowardZero .cse23) c_~var_1_15~0) .cse15)) (.cse7 (bvslt c_~var_1_16~0 c_~var_1_17~0)) (.cse33 (and .cse18 .cse36)) (.cse31 (and .cse11 (= c_~var_1_15~0 ((_ fp.to_sbv 32) roundTowardZero .cse22))))) (let ((.cse8 (or .cse33 .cse31)) (.cse13 (not .cse7)) (.cse17 (or .cse34 .cse26)) (.cse24 (fp.gt .cse21 .cse35))) (or (and (let ((.cse16 (fp.lt .cse23 .cse21)) (.cse9 (fp.lt .cse22 .cse21))) (let ((.cse12 (not .cse9)) (.cse14 (not .cse16)) (.cse10 (= c_~var_1_15~0 ((_ fp.to_sbv 32) roundTowardZero .cse21))) (.cse6 (fp.lt .cse20 .cse21))) (or (and .cse6 (or (and .cse7 (or (and .cse8 .cse9) (and .cse10 .cse11 .cse12))) (and .cse13 (or (and .cse14 .cse10 .cse15) (and .cse16 .cse17))))) (and (or (and .cse7 (or (and .cse10 .cse18) (and .cse10 .cse12))) (and .cse13 (or (and .cse19 .cse10) (and .cse14 .cse10)))) (not .cse6))))) .cse24) (and (let ((.cse27 (fp.lt .cse23 .cse35)) (.cse30 (fp.lt .cse22 .cse35))) (let ((.cse32 (fp.lt .cse20 .cse35)) (.cse29 (not .cse30)) (.cse25 (= ((_ fp.to_sbv 32) roundTowardZero .cse35) c_~var_1_15~0)) (.cse28 (not .cse27))) (or (and (or (and .cse13 (or (and (or (and .cse25 .cse19) .cse26) .cse27) (and .cse25 .cse28))) (and .cse7 (or (and .cse25 .cse29) (and .cse30 (or (and .cse25 .cse18) .cse31))))) (not .cse32)) (and .cse32 (or (and .cse7 (or (and .cse30 .cse8) (and (or (and .cse25 .cse11) .cse33) .cse29))) (and .cse13 (or (and (or .cse34 (and .cse25 .cse15)) .cse28) (and .cse17 .cse27)))))))) (not .cse24))))))) (let ((.cse38 (bvadd (bvneg .cse39) ((_ sign_extend 16) c_~var_1_9~0)))) (let ((.cse37 (bvslt .cse38 .cse2))) (or (and (= c_~var_1_1~0 ((_ extract 15 0) .cse2)) (not .cse37)) (and .cse37 (= c_~var_1_1~0 ((_ extract 15 0) .cse38)))))) (bvsge .cse39 (_ bv0 32)) (bvsge .cse40 (_ bv0 32)) (bvsle .cse39 (bvsdiv .cse0 c_~var_1_8~0)) (= c_~var_1_12~0 ((_ extract 7 0) .cse5))))) is different from true