./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c --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_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91 --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 c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:20:52,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:20:52,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:20:52,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:20:52,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:20:52,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:20:52,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:20:52,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:20:52,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:20:52,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:20:52,472 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:20:52,473 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:20:52,473 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:20:52,474 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:20:52,474 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:20:52,475 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:20:52,475 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:20:52,476 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:20:52,476 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:20:52,477 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:20:52,477 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:20:52,478 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:20:52,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:20:52,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:20:52,479 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:20:52,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:20:52,480 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:20:52,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:20:52,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:20:52,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:20:52,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:20:52,482 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:20:52,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:20:52,483 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:20:52,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:20:52,483 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:20:52,483 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:20:52,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:52,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:20:52,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:20:52,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:20:52,485 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:20:52,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:20:52,485 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:20:52,485 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:20:52,485 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:20:52,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:20:52,486 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_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 [2023-11-24 23:20:52,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:20:52,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:20:52,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:20:52,776 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:20:52,777 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:20:52,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-11-24 23:20:56,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:20:56,247 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:20:56,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-11-24 23:20:56,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/data/1f4d0e7c8/d66874d5bdee44ef85eeb55f227fe986/FLAGdd063695b [2023-11-24 23:20:56,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/data/1f4d0e7c8/d66874d5bdee44ef85eeb55f227fe986 [2023-11-24 23:20:56,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:20:56,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:20:56,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:56,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:20:56,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:20:56,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:56" (1/1) ... [2023-11-24 23:20:56,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cffa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:56, skipping insertion in model container [2023-11-24 23:20:56,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:56" (1/1) ... [2023-11-24 23:20:56,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:20:56,520 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_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-11-24 23:20:56,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:56,543 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:20:56,604 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_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-11-24 23:20:56,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:56,622 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:20:56,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:56 WrapperNode [2023-11-24 23:20:56,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:56,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:56,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:20:56,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:20:56,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:56" (1/1) ... [2023-11-24 23:20:56,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:56" (1/1) ... [2023-11-24 23:20:56,684 INFO L138 Inliner]: procedures = 20, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 333 [2023-11-24 23:20:56,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:56,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:20:56,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:20:56,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:20:56,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:56" (1/1) ... [2023-11-24 23:20:56,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:56" (1/1) ... [2023-11-24 23:20:56,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:56" (1/1) ... [2023-11-24 23:20:56,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:56" (1/1) ... [2023-11-24 23:20:56,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:56" (1/1) ... [2023-11-24 23:20:56,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:56" (1/1) ... [2023-11-24 23:20:56,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:56" (1/1) ... [2023-11-24 23:20:56,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:56" (1/1) ... [2023-11-24 23:20:56,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:20:56,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:20:56,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:20:56,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:20:56,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:56" (1/1) ... [2023-11-24 23:20:56,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:56,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:20:56,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:20:56,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:20:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:20:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:20:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:20:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:20:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:20:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:20:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:20:56,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:20:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:20:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:20:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:20:56,944 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:20:56,946 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:20:57,485 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:20:57,673 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:20:57,673 INFO L309 CfgBuilder]: Removed 24 assume(true) statements. [2023-11-24 23:20:57,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:57 BoogieIcfgContainer [2023-11-24 23:20:57,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:20:57,677 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:20:57,677 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:20:57,680 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:20:57,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:20:56" (1/3) ... [2023-11-24 23:20:57,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67495e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:57, skipping insertion in model container [2023-11-24 23:20:57,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:56" (2/3) ... [2023-11-24 23:20:57,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67495e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:57, skipping insertion in model container [2023-11-24 23:20:57,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:57" (3/3) ... [2023-11-24 23:20:57,683 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2023-11-24 23:20:57,702 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:20:57,702 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:20:57,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:20:57,776 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;@34215987, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:20:57,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:20:57,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 46 states have (on average 1.7173913043478262) internal successors, (79), 47 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:20:57,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:20:57,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:57,789 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:57,790 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:20:57,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:57,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1314563381, now seen corresponding path program 1 times [2023-11-24 23:20:57,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:20:57,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920722726] [2023-11-24 23:20:57,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:57,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:20:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:20:57,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:20:57,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920722726] [2023-11-24 23:20:57,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920722726] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:57,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:57,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:20:57,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266052725] [2023-11-24 23:20:57,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:57,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:20:57,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:20:58,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:20:58,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:20:58,039 INFO L87 Difference]: Start difference. First operand has 48 states, 46 states have (on average 1.7173913043478262) internal successors, (79), 47 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:20:58,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:20:58,137 INFO L93 Difference]: Finished difference Result 95 states and 157 transitions. [2023-11-24 23:20:58,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:20:58,139 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-24 23:20:58,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:20:58,149 INFO L225 Difference]: With dead ends: 95 [2023-11-24 23:20:58,150 INFO L226 Difference]: Without dead ends: 46 [2023-11-24 23:20:58,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:20:58,159 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:20:58,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:20:58,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-24 23:20:58,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-24 23:20:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 45 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:20:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2023-11-24 23:20:58,204 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 13 [2023-11-24 23:20:58,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:20:58,205 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2023-11-24 23:20:58,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:20:58,205 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2023-11-24 23:20:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:20:58,207 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:58,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:58,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:20:58,208 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:20:58,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:58,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1204175839, now seen corresponding path program 1 times [2023-11-24 23:20:58,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:20:58,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184903242] [2023-11-24 23:20:58,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:58,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:20:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:58,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:20:58,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:20:58,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184903242] [2023-11-24 23:20:58,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184903242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:58,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:58,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:20:58,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339009119] [2023-11-24 23:20:58,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:58,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:20:58,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:20:58,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:20:58,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:20:58,470 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:20:58,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:20:58,579 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2023-11-24 23:20:58,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:20:58,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-24 23:20:58,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:20:58,581 INFO L225 Difference]: With dead ends: 49 [2023-11-24 23:20:58,581 INFO L226 Difference]: Without dead ends: 46 [2023-11-24 23:20:58,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:20:58,583 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:20:58,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:20:58,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-24 23:20:58,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-24 23:20:58,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 45 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:20:58,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2023-11-24 23:20:58,591 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 16 [2023-11-24 23:20:58,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:20:58,591 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2023-11-24 23:20:58,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:20:58,592 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-11-24 23:20:58,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:20:58,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:58,593 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:58,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:20:58,594 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:20:58,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:58,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1889178453, now seen corresponding path program 1 times [2023-11-24 23:20:58,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:20:58,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304242567] [2023-11-24 23:20:58,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:58,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:20:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:20:58,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:20:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:20:58,918 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:20:58,920 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:20:58,921 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:20:58,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 23:20:58,930 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-24 23:20:58,935 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:20:58,975 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-24 23:20:58,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-24 23:20:58,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated [2023-11-24 23:20:58,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-24 23:20:58,978 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-24 23:20:58,980 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated [2023-11-24 23:20:58,981 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-24 23:20:58,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-24 23:20:58,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:20:58 BoogieIcfgContainer [2023-11-24 23:20:58,999 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:20:59,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:20:59,003 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:20:59,003 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:20:59,004 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:57" (3/4) ... [2023-11-24 23:20:59,012 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:20:59,014 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:20:59,014 INFO L158 Benchmark]: Toolchain (without parser) took 2733.82ms. Allocated memory is still 163.6MB. Free memory was 128.6MB in the beginning and 104.5MB in the end (delta: 24.1MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-11-24 23:20:59,015 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:20:59,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.11ms. Allocated memory is still 163.6MB. Free memory was 128.6MB in the beginning and 115.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:20:59,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.79ms. Allocated memory is still 163.6MB. Free memory was 115.1MB in the beginning and 112.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:20:59,022 INFO L158 Benchmark]: Boogie Preprocessor took 46.46ms. Allocated memory is still 163.6MB. Free memory was 112.7MB in the beginning and 110.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:20:59,024 INFO L158 Benchmark]: RCFGBuilder took 942.35ms. Allocated memory is still 163.6MB. Free memory was 110.2MB in the beginning and 106.4MB in the end (delta: 3.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 23:20:59,027 INFO L158 Benchmark]: TraceAbstraction took 1323.02ms. Allocated memory is still 163.6MB. Free memory was 105.5MB in the beginning and 105.6MB in the end (delta: -54.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:20:59,027 INFO L158 Benchmark]: Witness Printer took 12.01ms. Allocated memory is still 163.6MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:20:59,029 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.11ms. Allocated memory is still 163.6MB. Free memory was 128.6MB in the beginning and 115.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.79ms. Allocated memory is still 163.6MB. Free memory was 115.1MB in the beginning and 112.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.46ms. Allocated memory is still 163.6MB. Free memory was 112.7MB in the beginning and 110.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 942.35ms. Allocated memory is still 163.6MB. Free memory was 110.2MB in the beginning and 106.4MB in the end (delta: 3.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1323.02ms. Allocated memory is still 163.6MB. Free memory was 105.5MB in the beginning and 105.6MB in the end (delta: -54.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 12.01ms. Allocated memory is still 163.6MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 152]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 151, overapproximation of bitwiseOr at line 122, overapproximation of someBinaryArithmeticDOUBLEoperation at line 146. Possible FailurePath: [L20] static const double one_modf = 1.0; [L146] double x = 1.0 / 0.0; [L147] double iptr = __VERIFIER_nondet_double(); [L147] double iptr = __VERIFIER_nondet_double(); [L148] CALL, EXPR modf_double(x, &iptr) [L23] __int32_t i0, i1, j0; [L24] __uint32_t i; VAL [\old(x)=6441402388, iptr={6:0}, iptr={6:0}, one_modf=1, x=6441402388] [L26] ieee_double_shape_type ew_u; [L27] EXPR ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] EXPR (i0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] EXPR (i1) = ew_u.parts.lsw [L25-L30] { ieee_double_shape_type ew_u; ew_u.value = (x); (i0) = ew_u.parts.msw; (i1) = ew_u.parts.lsw; } VAL [\old(x)=6441402388, i0=-2146435072, i1=10, iptr={6:0}, iptr={6:0}, one_modf=1, x=6441402388] [L31] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=6441402388, i0=-2146435072, i1=10, iptr={6:0}, iptr={6:0}, j0=-1022, one_modf=1, x=6441402388] [L32] COND TRUE j0 < 20 VAL [\old(x)=6441402388, i0=-2146435072, i1=10, iptr={6:0}, iptr={6:0}, j0=-1022, one_modf=1, x=6441402388] [L33] COND TRUE j0 < 0 VAL [\old(x)=6441402388, i0=-2146435072, i1=10, iptr={6:0}, iptr={6:0}, j0=-1022, one_modf=1, x=6441402388] [L35] ieee_double_shape_type iw_u; [L36] EXPR iw_u.parts.msw = (i0 & 0x80000000) [L37] EXPR iw_u.parts.lsw = (0) [L38] EXPR iw_u.value [L38] EXPR (*iptr) = iw_u.value [L34-L39] { ieee_double_shape_type iw_u; iw_u.parts.msw = (i0 & 0x80000000); iw_u.parts.lsw = (0); (*iptr) = iw_u.value; } VAL [\old(x)=6441402388, i0=-2146435072, i1=10, iptr={6:0}, iptr={6:0}, j0=-1022, one_modf=1, x=6441402388] [L40] return x; VAL [\old(x)=6441402388, \result=6441402388, i0=-2146435072, i1=10, iptr={6:0}, iptr={6:0}, j0=-1022, one_modf=1, x=6441402388] [L148] RET, EXPR modf_double(x, &iptr) [L148] double res = modf_double(x, &iptr); [L151] EXPR \read(iptr) [L151] CALL, EXPR isinf_double(iptr) [L114] __int32_t hx, lx; VAL [\old(x)=6441402387, one_modf=1, x=6441402387] [L116] ieee_double_shape_type ew_u; [L117] EXPR ew_u.value = (x) [L118] EXPR ew_u.parts.msw [L118] EXPR (hx) = ew_u.parts.msw [L119] EXPR ew_u.parts.lsw [L119] EXPR (lx) = ew_u.parts.lsw [L115-L120] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [\old(x)=6441402387, hx=2146435072, lx=0, one_modf=1, x=6441402387] [L121] hx &= 0x7fffffff [L122] EXPR lx | (-lx) [L122] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L123] hx = 0x7ff00000 - hx [L124] EXPR hx | (-hx) [L124] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L151] RET, EXPR isinf_double(iptr) [L151] isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) [L151] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [iptr={6:0}, one_modf=1, res=6441402388, x=6441402388] [L151] isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) VAL [iptr={6:0}, one_modf=1, res=6441402388, x=6441402388] [L151] COND TRUE isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) [L152] reach_error() VAL [iptr={6:0}, one_modf=1, res=6441402388, x=6441402388] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 91 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:20:59,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91 --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 c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:21:01,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:21:01,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:21:01,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:21:01,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:21:01,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:21:01,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:21:01,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:21:01,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:21:01,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:21:01,985 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:21:01,986 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:21:01,986 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:21:01,988 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:21:01,989 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:21:01,989 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:21:01,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:21:01,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:21:01,992 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:21:01,993 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:21:01,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:21:01,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:21:01,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:21:01,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:21:01,995 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:21:01,996 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:21:01,996 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:21:01,996 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:21:01,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:21:01,997 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:21:01,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:21:01,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:21:01,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:21:02,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:21:02,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:02,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:21:02,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:21:02,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:21:02,002 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:21:02,003 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:21:02,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:21:02,004 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:21:02,004 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:21:02,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:21:02,005 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_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 [2023-11-24 23:21:02,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:21:02,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:21:02,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:21:02,477 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:21:02,478 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:21:02,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-11-24 23:21:05,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:21:05,866 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:21:05,866 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-11-24 23:21:05,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/data/c2f636f2e/cfe07920e36f4dc0858fb29a48d8a9a8/FLAG97f3f0f8c [2023-11-24 23:21:05,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/data/c2f636f2e/cfe07920e36f4dc0858fb29a48d8a9a8 [2023-11-24 23:21:05,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:21:05,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:21:05,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:21:05,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:21:05,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:21:05,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:21:05" (1/1) ... [2023-11-24 23:21:05,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0c42fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:05, skipping insertion in model container [2023-11-24 23:21:05,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:21:05" (1/1) ... [2023-11-24 23:21:05,946 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:21:06,138 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_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-11-24 23:21:06,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:21:06,161 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:21:06,225 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_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-11-24 23:21:06,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:21:06,252 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:21:06,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:06 WrapperNode [2023-11-24 23:21:06,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:21:06,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:21:06,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:21:06,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:21:06,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:06" (1/1) ... [2023-11-24 23:21:06,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:06" (1/1) ... [2023-11-24 23:21:06,345 INFO L138 Inliner]: procedures = 23, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 257 [2023-11-24 23:21:06,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:21:06,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:21:06,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:21:06,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:21:06,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:06" (1/1) ... [2023-11-24 23:21:06,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:06" (1/1) ... [2023-11-24 23:21:06,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:06" (1/1) ... [2023-11-24 23:21:06,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:06" (1/1) ... [2023-11-24 23:21:06,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:06" (1/1) ... [2023-11-24 23:21:06,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:06" (1/1) ... [2023-11-24 23:21:06,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:06" (1/1) ... [2023-11-24 23:21:06,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:06" (1/1) ... [2023-11-24 23:21:06,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:21:06,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:21:06,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:21:06,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:21:06,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:06" (1/1) ... [2023-11-24 23:21:06,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:06,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:21:06,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:21:06,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:21:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:21:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:21:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:21:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:21:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:21:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 23:21:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:21:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:21:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:21:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:21:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:21:06,696 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:21:06,698 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:21:07,508 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:21:07,541 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:21:07,541 INFO L309 CfgBuilder]: Removed 24 assume(true) statements. [2023-11-24 23:21:07,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:07 BoogieIcfgContainer [2023-11-24 23:21:07,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:21:07,544 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:21:07,544 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:21:07,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:21:07,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:21:05" (1/3) ... [2023-11-24 23:21:07,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f77a8d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:21:07, skipping insertion in model container [2023-11-24 23:21:07,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:06" (2/3) ... [2023-11-24 23:21:07,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f77a8d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:21:07, skipping insertion in model container [2023-11-24 23:21:07,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:07" (3/3) ... [2023-11-24 23:21:07,550 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2023-11-24 23:21:07,587 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:21:07,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:21:07,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:21:07,646 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;@33f9c17c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:21:07,646 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:21:07,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 46 states have (on average 1.7173913043478262) internal successors, (79), 47 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:07,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:21:07,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:07,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:07,659 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:21:07,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:07,664 INFO L85 PathProgramCache]: Analyzing trace with hash 247727222, now seen corresponding path program 1 times [2023-11-24 23:21:07,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:21:07,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198823554] [2023-11-24 23:21:07,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:07,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:21:07,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:21:07,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:21:07,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 23:21:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:07,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:21:07,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:21:07,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:21:07,854 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:21:07,855 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:21:07,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198823554] [2023-11-24 23:21:07,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [198823554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:21:07,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:21:07,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:21:07,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704325401] [2023-11-24 23:21:07,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:21:07,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:21:07,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:21:07,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:21:07,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:21:07,903 INFO L87 Difference]: Start difference. First operand has 48 states, 46 states have (on average 1.7173913043478262) internal successors, (79), 47 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:07,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:21:07,963 INFO L93 Difference]: Finished difference Result 95 states and 157 transitions. [2023-11-24 23:21:07,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:21:07,965 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-24 23:21:07,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:21:07,978 INFO L225 Difference]: With dead ends: 95 [2023-11-24 23:21:07,978 INFO L226 Difference]: Without dead ends: 46 [2023-11-24 23:21:07,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:21:07,991 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:21:07,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:21:08,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-24 23:21:08,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-24 23:21:08,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 45 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:08,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2023-11-24 23:21:08,042 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 13 [2023-11-24 23:21:08,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:21:08,043 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2023-11-24 23:21:08,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:08,043 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2023-11-24 23:21:08,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:21:08,046 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:08,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:08,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:21:08,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:21:08,250 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:21:08,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:08,251 INFO L85 PathProgramCache]: Analyzing trace with hash 681803631, now seen corresponding path program 1 times [2023-11-24 23:21:08,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:21:08,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120929553] [2023-11-24 23:21:08,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:08,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:21:08,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:21:08,255 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:21:08,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-24 23:21:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:08,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:21:08,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:21:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:21:08,761 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:21:08,761 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:21:08,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1120929553] [2023-11-24 23:21:08,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1120929553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:21:08,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:21:08,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:21:08,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031112656] [2023-11-24 23:21:08,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:21:08,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:21:08,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:21:08,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:21:08,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:21:08,771 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:11,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:21:13,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:21:13,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:21:13,915 INFO L93 Difference]: Finished difference Result 59 states and 66 transitions. [2023-11-24 23:21:13,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:21:13,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-24 23:21:13,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:21:13,916 INFO L225 Difference]: With dead ends: 59 [2023-11-24 23:21:13,916 INFO L226 Difference]: Without dead ends: 24 [2023-11-24 23:21:13,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:21:13,918 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 22 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-24 23:21:13,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 52 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2023-11-24 23:21:13,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-11-24 23:21:13,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-11-24 23:21:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:13,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2023-11-24 23:21:13,925 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 16 [2023-11-24 23:21:13,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:21:13,925 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2023-11-24 23:21:13,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:13,926 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2023-11-24 23:21:13,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:21:13,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:13,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:13,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:21:14,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:21:14,131 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:21:14,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:14,132 INFO L85 PathProgramCache]: Analyzing trace with hash 781459082, now seen corresponding path program 1 times [2023-11-24 23:21:14,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:21:14,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537018879] [2023-11-24 23:21:14,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:14,133 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:21:14,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:21:14,135 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:21:14,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-24 23:21:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:14,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:21:14,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:21:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:21:14,514 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:21:14,515 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:21:14,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537018879] [2023-11-24 23:21:14,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1537018879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:21:14,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:21:14,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:21:14,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268670098] [2023-11-24 23:21:14,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:21:14,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:21:14,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:21:14,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:21:14,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:21:14,517 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:14,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:21:14,558 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2023-11-24 23:21:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:21:14,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-24 23:21:14,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:21:14,560 INFO L225 Difference]: With dead ends: 27 [2023-11-24 23:21:14,560 INFO L226 Difference]: Without dead ends: 24 [2023-11-24 23:21:14,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:21:14,561 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:21:14,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:21:14,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-11-24 23:21:14,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-11-24 23:21:14,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:14,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2023-11-24 23:21:14,568 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 18 [2023-11-24 23:21:14,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:21:14,568 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2023-11-24 23:21:14,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:14,569 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2023-11-24 23:21:14,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:21:14,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:14,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:14,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:21:14,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:21:14,779 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:21:14,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:14,779 INFO L85 PathProgramCache]: Analyzing trace with hash -659502188, now seen corresponding path program 1 times [2023-11-24 23:21:14,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:21:14,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212124093] [2023-11-24 23:21:14,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:14,780 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:21:14,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:21:14,782 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:21:14,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-24 23:21:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:15,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:21:15,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:21:15,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:21:15,376 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:21:15,376 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:21:15,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212124093] [2023-11-24 23:21:15,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212124093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:21:15,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:21:15,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-24 23:21:15,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684336031] [2023-11-24 23:21:15,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:21:15,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:21:15,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:21:15,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:21:15,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:21:15,379 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:16,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:21:17,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:21:17,175 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2023-11-24 23:21:17,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:21:17,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-11-24 23:21:17,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:21:17,177 INFO L225 Difference]: With dead ends: 28 [2023-11-24 23:21:17,177 INFO L226 Difference]: Without dead ends: 24 [2023-11-24 23:21:17,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-24 23:21:17,178 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 24 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:21:17,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 57 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-24 23:21:17,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-11-24 23:21:17,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-11-24 23:21:17,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0) internal successors, (23), 23 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2023-11-24 23:21:17,186 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 20 [2023-11-24 23:21:17,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:21:17,187 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2023-11-24 23:21:17,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2023-11-24 23:21:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:21:17,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:17,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:17,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:21:17,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:21:17,403 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:21:17,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:17,404 INFO L85 PathProgramCache]: Analyzing trace with hash -401671149, now seen corresponding path program 1 times [2023-11-24 23:21:17,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:21:17,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1026313329] [2023-11-24 23:21:17,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:17,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:21:17,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:21:17,408 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:21:17,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/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 (6)] Waiting until timeout for monitored process [2023-11-24 23:21:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:17,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:21:17,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:21:18,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:21:18,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-24 23:21:18,363 INFO L349 Elim1Store]: treesize reduction 30, result has 43.4 percent of original size [2023-11-24 23:21:18,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 40 [2023-11-24 23:21:18,425 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:21:18,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 54 [2023-11-24 23:21:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:21:19,590 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:21:19,591 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:21:19,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1026313329] [2023-11-24 23:21:19,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1026313329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:21:19,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:21:19,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-24 23:21:19,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109377129] [2023-11-24 23:21:19,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:21:19,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-24 23:21:19,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:21:19,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-24 23:21:19,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-24 23:21:19,594 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:22,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:21:22,530 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2023-11-24 23:21:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 23:21:22,530 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-11-24 23:21:22,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:21:22,531 INFO L225 Difference]: With dead ends: 24 [2023-11-24 23:21:22,531 INFO L226 Difference]: Without dead ends: 0 [2023-11-24 23:21:22,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2023-11-24 23:21:22,532 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 23 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:21:22,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 64 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-24 23:21:22,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-24 23:21:22,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-24 23:21:22,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:22,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-24 23:21:22,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2023-11-24 23:21:22,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:21:22,534 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-24 23:21:22,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:22,535 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-24 23:21:22,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:21:22,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:21:22,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/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 (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:21:22,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:21:22,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-24 23:21:23,206 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 98) no Hoare annotation was computed. [2023-11-24 23:21:23,206 INFO L895 garLoopResultBuilder]: At program point L93-1(lines 93 98) the Hoare annotation is: false [2023-11-24 23:21:23,207 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 98) no Hoare annotation was computed. [2023-11-24 23:21:23,207 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2023-11-24 23:21:23,207 INFO L899 garLoopResultBuilder]: For program point L151-1(line 151) no Hoare annotation was computed. [2023-11-24 23:21:23,207 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 108) no Hoare annotation was computed. [2023-11-24 23:21:23,207 INFO L899 garLoopResultBuilder]: For program point L151-3(line 151) no Hoare annotation was computed. [2023-11-24 23:21:23,207 INFO L899 garLoopResultBuilder]: For program point L151-5(lines 151 154) no Hoare annotation was computed. [2023-11-24 23:21:23,207 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 139 157) no Hoare annotation was computed. [2023-11-24 23:21:23,208 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-11-24 23:21:23,208 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2023-11-24 23:21:23,208 INFO L895 garLoopResultBuilder]: At program point L46-2(lines 46 50) the Hoare annotation is: false [2023-11-24 23:21:23,208 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-24 23:21:23,208 INFO L899 garLoopResultBuilder]: For program point L71-1(lines 71 75) no Hoare annotation was computed. [2023-11-24 23:21:23,209 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 75) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_modf_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_34| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd (_ bv1023 32) |ULTIMATE.start_modf_double_~j0~0#1|) (bvand (bvashr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_34|) (_ bv20 32)) (_ bv2047 32))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_34|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((|v_skolemized_q#valueAsBitvector_34| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_34|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_34|) |ULTIMATE.start_modf_double_~i0~0#1|)))) [2023-11-24 23:21:23,209 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2023-11-24 23:21:23,209 INFO L895 garLoopResultBuilder]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2023-11-24 23:21:23,209 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2023-11-24 23:21:23,210 INFO L895 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((|ULTIMATE.start_modf_double_~high~1#1| (_ BitVec 32))) (= |ULTIMATE.start_main_~res~0#1| (let ((.cse0 (concat (bvand |ULTIMATE.start_modf_double_~high~1#1| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (exists ((|v_skolemized_q#valueAsBitvector_51| (_ BitVec 64)) (v_arrayElimCell_6 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse1 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_51|) (_ bv2147483648 32)) v_arrayElimCell_6))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start___signbit_double_~x#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_51|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((|v_skolemized_q#valueAsBitvector_51| (_ BitVec 64)) (v_arrayElimCell_6 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse2 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_51|) (_ bv2147483648 32)) v_arrayElimCell_6))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start_modf_double_#res#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_51|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) |ULTIMATE.start_main_#t~short25#1| (exists ((|ULTIMATE.start_modf_double_~high~1#1| (_ BitVec 32))) (= (let ((.cse3 (concat (bvand |ULTIMATE.start_modf_double_~high~1#1| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) |ULTIMATE.start_modf_double_#res#1|)) (exists ((|v_skolemized_q#valueAsBitvector_51| (_ BitVec 64)) (v_arrayElimCell_6 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse4 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_51|) (_ bv2147483648 32)) v_arrayElimCell_6))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) |ULTIMATE.start_main_~res~0#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_51|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))))) [2023-11-24 23:21:23,210 INFO L899 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2023-11-24 23:21:23,210 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 109) no Hoare annotation was computed. [2023-11-24 23:21:23,210 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2023-11-24 23:21:23,210 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 115 120) no Hoare annotation was computed. [2023-11-24 23:21:23,211 INFO L895 garLoopResultBuilder]: At program point L115-2(lines 115 120) the Hoare annotation is: (and (exists ((|ULTIMATE.start_modf_double_~high~1#1| (_ BitVec 32))) (= |ULTIMATE.start_main_~res~0#1| (let ((.cse0 (concat (bvand |ULTIMATE.start_modf_double_~high~1#1| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (exists ((|v_skolemized_q#valueAsBitvector_51| (_ BitVec 64)) (v_arrayElimCell_6 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse1 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_51|) (_ bv2147483648 32)) v_arrayElimCell_6))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_modf_double_#res#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_51|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((|ULTIMATE.start_modf_double_~high~1#1| (_ BitVec 32))) (= (let ((.cse2 (concat (bvand |ULTIMATE.start_modf_double_~high~1#1| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start_modf_double_#res#1|)) (exists ((|v_skolemized_q#valueAsBitvector_51| (_ BitVec 64)) (v_arrayElimCell_6 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse3 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_51|) (_ bv2147483648 32)) v_arrayElimCell_6))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) |ULTIMATE.start_main_~res~0#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_51|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))))) [2023-11-24 23:21:23,211 INFO L899 garLoopResultBuilder]: For program point L115-3(lines 115 120) no Hoare annotation was computed. [2023-11-24 23:21:23,211 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 67) no Hoare annotation was computed. [2023-11-24 23:21:23,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-24 23:21:23,211 INFO L899 garLoopResultBuilder]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2023-11-24 23:21:23,211 INFO L895 garLoopResultBuilder]: At program point L25-2(lines 25 30) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_modf_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) [2023-11-24 23:21:23,212 INFO L899 garLoopResultBuilder]: For program point L25-3(lines 25 30) no Hoare annotation was computed. [2023-11-24 23:21:23,212 INFO L899 garLoopResultBuilder]: For program point modf_double_returnLabel#1(lines 22 110) no Hoare annotation was computed. [2023-11-24 23:21:23,212 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2023-11-24 23:21:23,212 INFO L895 garLoopResultBuilder]: At program point L34-2(lines 34 39) the Hoare annotation is: false [2023-11-24 23:21:23,212 INFO L899 garLoopResultBuilder]: For program point L34-3(lines 34 39) no Hoare annotation was computed. [2023-11-24 23:21:23,212 INFO L899 garLoopResultBuilder]: For program point L59-1(lines 59 64) no Hoare annotation was computed. [2023-11-24 23:21:23,213 INFO L895 garLoopResultBuilder]: At program point L59-2(lines 59 64) the Hoare annotation is: false [2023-11-24 23:21:23,213 INFO L899 garLoopResultBuilder]: For program point L59-3(lines 59 64) no Hoare annotation was computed. [2023-11-24 23:21:23,214 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 56) no Hoare annotation was computed. [2023-11-24 23:21:23,214 INFO L895 garLoopResultBuilder]: At program point L51-1(lines 51 56) the Hoare annotation is: false [2023-11-24 23:21:23,214 INFO L899 garLoopResultBuilder]: For program point L51-2(lines 51 56) no Hoare annotation was computed. [2023-11-24 23:21:23,214 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 81) no Hoare annotation was computed. [2023-11-24 23:21:23,214 INFO L899 garLoopResultBuilder]: For program point L43(lines 43 66) no Hoare annotation was computed. [2023-11-24 23:21:23,215 INFO L895 garLoopResultBuilder]: At program point L76-1(lines 76 81) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_modf_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_34| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd (_ bv1023 32) |ULTIMATE.start_modf_double_~j0~0#1|) (bvand (bvashr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_34|) (_ bv20 32)) (_ bv2047 32))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_34|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((|v_skolemized_q#valueAsBitvector_34| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_34|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_34|) |ULTIMATE.start_modf_double_~i0~0#1|))) (exists ((|v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_12| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_51| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_12|))) (let ((.cse1 (select .cse0 (_ bv4 32)))) (and (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_51|) (select .cse0 (_ bv0 32))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_51|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_51|) .cse1) (= .cse1 |ULTIMATE.start_modf_double_~high~1#1|)))))) [2023-11-24 23:21:23,215 INFO L899 garLoopResultBuilder]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2023-11-24 23:21:23,215 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 109) no Hoare annotation was computed. [2023-11-24 23:21:23,216 INFO L899 garLoopResultBuilder]: For program point L101-1(lines 101 106) no Hoare annotation was computed. [2023-11-24 23:21:23,216 INFO L895 garLoopResultBuilder]: At program point L101-2(lines 101 106) the Hoare annotation is: false [2023-11-24 23:21:23,216 INFO L899 garLoopResultBuilder]: For program point L101-3(lines 101 106) no Hoare annotation was computed. [2023-11-24 23:21:23,220 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-24 23:21:23,222 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:21:23,237 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated [2023-11-24 23:21:23,238 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_51 : bv64, v_arrayElimCell_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[51:0]) == ~x && ~fp~64(v_skolemized_q#valueAsBitvector_51[63:63], v_skolemized_q#valueAsBitvector_51[62:52], v_skolemized_q#valueAsBitvector_51[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-24 23:21:23,238 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_51 : bv64, v_arrayElimCell_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[51:0]) == #res && ~fp~64(v_skolemized_q#valueAsBitvector_51[63:63], v_skolemized_q#valueAsBitvector_51[62:52], v_skolemized_q#valueAsBitvector_51[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-24 23:21:23,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated [2023-11-24 23:21:23,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated [2023-11-24 23:21:23,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_51 : bv64, v_arrayElimCell_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[51:0]) == ~res~0 && ~fp~64(v_skolemized_q#valueAsBitvector_51[63:63], v_skolemized_q#valueAsBitvector_51[62:52], v_skolemized_q#valueAsBitvector_51[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-24 23:21:23,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-24 23:21:23,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_34 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvadd~32(1023bv32, ~j0~0) == ~bvand~32(~bvashr~32(v_skolemized_q#valueAsBitvector_34[63:32], 20bv32), 2047bv32) && ~fp~64(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-24 23:21:23,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_34 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~64(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && v_skolemized_q#valueAsBitvector_34[63:32] == ~i0~0) could not be translated [2023-11-24 23:21:23,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-24 23:21:23,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated [2023-11-24 23:21:23,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_51 : bv64, v_arrayElimCell_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[51:0]) == #res && ~fp~64(v_skolemized_q#valueAsBitvector_51[63:63], v_skolemized_q#valueAsBitvector_51[62:52], v_skolemized_q#valueAsBitvector_51[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-24 23:21:23,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated [2023-11-24 23:21:23,243 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_51 : bv64, v_arrayElimCell_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[51:0]) == ~res~0 && ~fp~64(v_skolemized_q#valueAsBitvector_51[63:63], v_skolemized_q#valueAsBitvector_51[62:52], v_skolemized_q#valueAsBitvector_51[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-24 23:21:23,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-24 23:21:23,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_34 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvadd~32(1023bv32, ~j0~0) == ~bvand~32(~bvashr~32(v_skolemized_q#valueAsBitvector_34[63:32], 20bv32), 2047bv32) && ~fp~64(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-24 23:21:23,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_34 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~64(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && v_skolemized_q#valueAsBitvector_34[63:32] == ~i0~0) could not be translated [2023-11-24 23:21:23,245 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_12 : bv32, v_skolemized_q#valueAsBitvector_51 : bv64, currentRoundingMode : FloatRoundingMode :: ((v_skolemized_q#valueAsBitvector_51[31:0] == #memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_12][0bv32] && ~fp~64(v_skolemized_q#valueAsBitvector_51[63:63], v_skolemized_q#valueAsBitvector_51[62:52], v_skolemized_q#valueAsBitvector_51[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) && v_skolemized_q#valueAsBitvector_51[63:32] == #memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_12][4bv32]) && #memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_12][4bv32] == ~high~1) could not be translated [2023-11-24 23:21:23,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:21:23 BoogieIcfgContainer [2023-11-24 23:21:23,245 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:21:23,246 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:21:23,246 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:21:23,246 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:21:23,247 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:07" (3/4) ... [2023-11-24 23:21:23,249 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:21:23,262 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-24 23:21:23,263 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-24 23:21:23,263 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:21:23,264 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:21:23,394 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:21:23,394 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-24 23:21:23,395 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:21:23,396 INFO L158 Benchmark]: Toolchain (without parser) took 17491.52ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 58.0MB in the beginning and 73.9MB in the end (delta: -15.9MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2023-11-24 23:21:23,396 INFO L158 Benchmark]: CDTParser took 1.44ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 47.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:21:23,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.77ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 44.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:21:23,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.40ms. Allocated memory is still 81.8MB. Free memory was 44.0MB in the beginning and 41.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:21:23,397 INFO L158 Benchmark]: Boogie Preprocessor took 101.00ms. Allocated memory is still 81.8MB. Free memory was 41.7MB in the beginning and 60.7MB in the end (delta: -19.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-11-24 23:21:23,398 INFO L158 Benchmark]: RCFGBuilder took 1091.49ms. Allocated memory is still 81.8MB. Free memory was 60.4MB in the beginning and 35.9MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-24 23:21:23,398 INFO L158 Benchmark]: TraceAbstraction took 15701.86ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 35.2MB in the beginning and 34.2MB in the end (delta: 962.4kB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-11-24 23:21:23,399 INFO L158 Benchmark]: Witness Printer took 148.77ms. Allocated memory is still 98.6MB. Free memory was 34.2MB in the beginning and 73.9MB in the end (delta: -39.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-11-24 23:21:23,401 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 47.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.77ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 44.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.40ms. Allocated memory is still 81.8MB. Free memory was 44.0MB in the beginning and 41.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.00ms. Allocated memory is still 81.8MB. Free memory was 41.7MB in the beginning and 60.7MB in the end (delta: -19.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1091.49ms. Allocated memory is still 81.8MB. Free memory was 60.4MB in the beginning and 35.9MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 15701.86ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 35.2MB in the beginning and 34.2MB in the end (delta: 962.4kB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Witness Printer took 148.77ms. Allocated memory is still 98.6MB. Free memory was 34.2MB in the beginning and 73.9MB in the end (delta: -39.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_51 : bv64, v_arrayElimCell_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[51:0]) == ~x && ~fp~64(v_skolemized_q#valueAsBitvector_51[63:63], v_skolemized_q#valueAsBitvector_51[62:52], v_skolemized_q#valueAsBitvector_51[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_51 : bv64, v_arrayElimCell_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[51:0]) == #res && ~fp~64(v_skolemized_q#valueAsBitvector_51[63:63], v_skolemized_q#valueAsBitvector_51[62:52], v_skolemized_q#valueAsBitvector_51[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_51 : bv64, v_arrayElimCell_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[51:0]) == ~res~0 && ~fp~64(v_skolemized_q#valueAsBitvector_51[63:63], v_skolemized_q#valueAsBitvector_51[62:52], v_skolemized_q#valueAsBitvector_51[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_34 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvadd~32(1023bv32, ~j0~0) == ~bvand~32(~bvashr~32(v_skolemized_q#valueAsBitvector_34[63:32], 20bv32), 2047bv32) && ~fp~64(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_34 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~64(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && v_skolemized_q#valueAsBitvector_34[63:32] == ~i0~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_51 : bv64, v_arrayElimCell_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[51:0]) == #res && ~fp~64(v_skolemized_q#valueAsBitvector_51[63:63], v_skolemized_q#valueAsBitvector_51[62:52], v_skolemized_q#valueAsBitvector_51[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_51 : bv64, v_arrayElimCell_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_51[63:32], 2147483648bv32) ++ v_arrayElimCell_6)[51:0]) == ~res~0 && ~fp~64(v_skolemized_q#valueAsBitvector_51[63:63], v_skolemized_q#valueAsBitvector_51[62:52], v_skolemized_q#valueAsBitvector_51[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_34 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvadd~32(1023bv32, ~j0~0) == ~bvand~32(~bvashr~32(v_skolemized_q#valueAsBitvector_34[63:32], 20bv32), 2047bv32) && ~fp~64(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_34 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~64(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && v_skolemized_q#valueAsBitvector_34[63:32] == ~i0~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_12 : bv32, v_skolemized_q#valueAsBitvector_51 : bv64, currentRoundingMode : FloatRoundingMode :: ((v_skolemized_q#valueAsBitvector_51[31:0] == #memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_12][0bv32] && ~fp~64(v_skolemized_q#valueAsBitvector_51[63:63], v_skolemized_q#valueAsBitvector_51[62:52], v_skolemized_q#valueAsBitvector_51[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) && v_skolemized_q#valueAsBitvector_51[63:32] == #memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_12][4bv32]) && #memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_12][4bv32] == ~high~1) could not be translated * 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 - PositiveResult [Line: 152]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 8.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 8.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 160 IncrementalHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 113 mSDtfsCounter, 160 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 458 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 85 ConstructedInterpolants, 30 QuantifiedInterpolants, 878 SizeOfPredicates, 27 NumberOfNonLiveVariables, 485 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-24 23:21:23,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc97ce0e-1ad7-45aa-bbc9-2468b5f64bdf/bin/utaipan-verify-SwPr7d2a91/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 Writing output log to file Ultimate.log Result: TRUE