./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/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_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/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_5242433c-5104-47a9-bbb5-3f09a9ee8539/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 5353ffee1c37a3ffec4ffba8ec43efc8addb948d99d804c998abea189ea9cf15 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:10,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:10,230 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:01:10,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:10,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:10,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:10,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:10,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:10,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:10,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:10,268 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:10,269 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:10,270 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:10,270 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:01:10,271 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:10,271 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:10,272 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:01:10,273 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:01:10,273 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:10,274 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:01:10,274 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:01:10,275 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:01:10,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:10,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:10,277 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:01:10,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:01:10,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:01:10,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:10,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:10,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:10,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:10,281 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:01:10,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:10,282 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:10,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:10,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:01:10,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:10,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:10,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:10,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:10,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:10,288 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:01:10,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:01:10,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:10,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:10,289 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:10,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:10,290 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_5242433c-5104-47a9-bbb5-3f09a9ee8539/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5353ffee1c37a3ffec4ffba8ec43efc8addb948d99d804c998abea189ea9cf15 [2023-11-25 00:01:10,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:10,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:10,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:10,616 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:10,616 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:10,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i [2023-11-25 00:01:13,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:14,181 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:14,181 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i [2023-11-25 00:01:14,197 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/data/0fe7723c1/243d6521a23742998d2ffc6cf0ed02b2/FLAG42858084a [2023-11-25 00:01:14,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/data/0fe7723c1/243d6521a23742998d2ffc6cf0ed02b2 [2023-11-25 00:01:14,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:14,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:14,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:14,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:14,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:14,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:14" (1/1) ... [2023-11-25 00:01:14,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fe4799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:14, skipping insertion in model container [2023-11-25 00:01:14,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:14" (1/1) ... [2023-11-25 00:01:14,296 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:01:14,442 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_5242433c-5104-47a9-bbb5-3f09a9ee8539/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i[916,929] [2023-11-25 00:01:14,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:14,494 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:01:14,506 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_5242433c-5104-47a9-bbb5-3f09a9ee8539/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i[916,929] [2023-11-25 00:01:14,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:14,550 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:01:14,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:14 WrapperNode [2023-11-25 00:01:14,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:14,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:14,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:01:14,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:01:14,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:14" (1/1) ... [2023-11-25 00:01:14,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:14" (1/1) ... [2023-11-25 00:01:14,598 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2023-11-25 00:01:14,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:14,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:01:14,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:01:14,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:01:14,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:14" (1/1) ... [2023-11-25 00:01:14,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:14" (1/1) ... [2023-11-25 00:01:14,612 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:14" (1/1) ... [2023-11-25 00:01:14,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:14" (1/1) ... [2023-11-25 00:01:14,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:14" (1/1) ... [2023-11-25 00:01:14,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:14" (1/1) ... [2023-11-25 00:01:14,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:14" (1/1) ... [2023-11-25 00:01:14,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:14" (1/1) ... [2023-11-25 00:01:14,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:01:14,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:01:14,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:01:14,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:01:14,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:14" (1/1) ... [2023-11-25 00:01:14,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:14,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:14,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:01:14,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:01:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:01:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:01:14,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:01:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:01:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:01:14,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:01:14,792 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:01:14,795 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:01:15,082 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:01:15,308 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:01:15,308 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:01:15,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:15 BoogieIcfgContainer [2023-11-25 00:01:15,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:01:15,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:01:15,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:01:15,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:01:15,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:01:14" (1/3) ... [2023-11-25 00:01:15,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c78eb73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:15, skipping insertion in model container [2023-11-25 00:01:15,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:14" (2/3) ... [2023-11-25 00:01:15,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c78eb73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:15, skipping insertion in model container [2023-11-25 00:01:15,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:15" (3/3) ... [2023-11-25 00:01:15,326 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-91.i [2023-11-25 00:01:15,345 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:01:15,345 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:01:15,393 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:01:15,400 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;@38b84865, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:01:15,401 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:01:15,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-25 00:01:15,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-25 00:01:15,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:15,418 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:15,418 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:01:15,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:15,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1823770306, now seen corresponding path program 1 times [2023-11-25 00:01:15,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:15,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325831053] [2023-11-25 00:01:15,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:15,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:15,677 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:01:15,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1397445581] [2023-11-25 00:01:15,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:15,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:01:15,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:15,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:01:15,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:01:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:01:15,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:01:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:01:16,095 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:01:16,098 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:01:16,099 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:01:16,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:01:16,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-25 00:01:16,312 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:01:16,316 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:01:16,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:01:16 BoogieIcfgContainer [2023-11-25 00:01:16,405 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:01:16,405 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:01:16,406 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:01:16,406 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:01:16,407 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:15" (3/4) ... [2023-11-25 00:01:16,409 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:01:16,410 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:01:16,412 INFO L158 Benchmark]: Toolchain (without parser) took 2180.31ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 110.4MB in the beginning and 135.3MB in the end (delta: -24.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-25 00:01:16,413 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 148.9MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:01:16,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.99ms. Allocated memory is still 148.9MB. Free memory was 110.0MB in the beginning and 97.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-25 00:01:16,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.21ms. Allocated memory is still 148.9MB. Free memory was 97.7MB in the beginning and 95.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:01:16,415 INFO L158 Benchmark]: Boogie Preprocessor took 51.55ms. Allocated memory is still 148.9MB. Free memory was 95.6MB in the beginning and 94.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:01:16,416 INFO L158 Benchmark]: RCFGBuilder took 659.04ms. Allocated memory is still 148.9MB. Free memory was 93.9MB in the beginning and 67.4MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-25 00:01:16,416 INFO L158 Benchmark]: TraceAbstraction took 1091.42ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 67.1MB in the beginning and 135.3MB in the end (delta: -68.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:01:16,417 INFO L158 Benchmark]: Witness Printer took 4.86ms. Allocated memory is still 182.5MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:01:16,420 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 148.9MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.99ms. Allocated memory is still 148.9MB. Free memory was 110.0MB in the beginning and 97.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.21ms. Allocated memory is still 148.9MB. Free memory was 97.7MB in the beginning and 95.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.55ms. Allocated memory is still 148.9MB. Free memory was 95.6MB in the beginning and 94.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 659.04ms. Allocated memory is still 148.9MB. Free memory was 93.9MB in the beginning and 67.4MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1091.42ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 67.1MB in the beginning and 135.3MB in the end (delta: -68.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.86ms. Allocated memory is still 182.5MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L23] signed long int var_1_2 = 49; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 64; [L26] signed short int var_1_5 = 1; [L27] signed long int var_1_6 = 8; [L28] signed long int var_1_7 = 0; [L29] signed short int var_1_8 = -4; [L30] unsigned long int var_1_9 = 64; [L31] unsigned long int var_1_10 = 16; [L32] unsigned long int var_1_11 = 10; [L33] signed short int var_1_12 = 100; [L34] signed short int var_1_14 = 128; [L35] signed short int var_1_15 = 10; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L71] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L72] var_1_3 = __VERIFIER_nondet_ulong() [L73] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L74] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L75] var_1_4 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L77] CALL assume_abort_if_not(var_1_4 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_4 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L78] var_1_6 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=-4, var_1_9=64] [L80] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=-4, var_1_9=64] [L81] var_1_7 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-4, var_1_9=64] [L83] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-4, var_1_9=64] [L84] var_1_8 = __VERIFIER_nondet_short() [L85] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L86] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L87] var_1_10 = __VERIFIER_nondet_ulong() [L88] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L89] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=4294967293, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, var_1_10=4294967293, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L90] var_1_11 = __VERIFIER_nondet_ulong() [L91] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4294967293, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=4294967293, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L92] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=4294967293, var_1_11=4294967294, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10=4294967293, var_1_11=4294967294, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L93] var_1_14 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=4294967293, var_1_11=4294967294, var_1_12=100, var_1_14=-1, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=4294967293, var_1_11=4294967294, var_1_12=100, var_1_14=-1, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L95] CALL assume_abort_if_not(var_1_14 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=4294967293, var_1_11=4294967294, var_1_12=100, var_1_14=-1, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_14 <= 32766) VAL [isInitial=1, var_1_10=4294967293, var_1_11=4294967294, var_1_12=100, var_1_14=-1, var_1_15=10, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L96] var_1_15 = __VERIFIER_nondet_short() [L97] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4294967293, var_1_11=4294967294, var_1_12=100, var_1_14=-1, var_1_15=32766, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=4294967293, var_1_11=4294967294, var_1_12=100, var_1_14=-1, var_1_15=32766, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L98] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=4294967293, var_1_11=4294967294, var_1_12=100, var_1_14=-1, var_1_15=32766, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, var_1_10=4294967293, var_1_11=4294967294, var_1_12=100, var_1_14=-1, var_1_15=32766, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=1, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=64] [L111] RET updateVariables() [L112] CALL step() [L39] COND FALSE !(var_1_2 >= 50.4f) [L42] COND TRUE var_1_3 == (var_1_1 * var_1_4) [L43] COND FALSE !(var_1_2 >= (var_1_6 + var_1_7)) [L46] var_1_5 = 32 [L51] COND FALSE !(! (var_1_4 < var_1_3)) [L54] var_1_9 = ((((var_1_11) > (var_1_10)) ? (var_1_11) : (var_1_10))) [L56] COND FALSE !(var_1_10 > var_1_9) [L65] var_1_12 = var_1_15 [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return ((((var_1_2 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) && ((var_1_3 == (var_1_1 * var_1_4)) ? ((var_1_2 >= (var_1_6 + var_1_7)) ? (var_1_5 == ((signed short int) var_1_8)) : (var_1_5 == ((signed short int) 32))) : (var_1_5 == ((signed short int) var_1_8)))) && ((! (var_1_4 < var_1_3)) ? (var_1_9 == ((unsigned long int) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))))) : (var_1_9 == ((unsigned long int) ((((var_1_11) > (var_1_10)) ? (var_1_11) : (var_1_10))))))) && ((var_1_10 > var_1_9) ? ((63.1 >= var_1_7) ? ((var_1_7 >= var_1_2) ? (var_1_12 == ((signed short int) (var_1_14 - var_1_15))) : (var_1_12 == ((signed short int) var_1_14))) : 1) : (var_1_12 == ((signed short int) var_1_15))) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=4294967293, var_1_11=4294967294, var_1_12=32766, var_1_14=-1, var_1_15=32766, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=32, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=4294967294] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=4294967293, var_1_11=4294967294, var_1_12=32766, var_1_14=-1, var_1_15=32766, var_1_1=100000000, var_1_2=2147483647, var_1_3=654080, var_1_4=859, var_1_5=32, var_1_6=2147483647, var_1_7=1, var_1_8=-32767, var_1_9=4294967294] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-25 00:01:16,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/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_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/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_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/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_5242433c-5104-47a9-bbb5-3f09a9ee8539/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 5353ffee1c37a3ffec4ffba8ec43efc8addb948d99d804c998abea189ea9cf15 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:19,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:19,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:01:19,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:19,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:19,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:19,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:19,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:19,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:19,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:19,340 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:19,341 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:19,341 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:19,343 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:19,343 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:19,344 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:19,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:19,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:19,346 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:01:19,347 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:01:19,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:19,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:19,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:19,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:19,349 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:01:19,350 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:01:19,350 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:01:19,351 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:01:19,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:19,352 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:19,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:19,353 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:01:19,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:01:19,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:19,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:19,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:19,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:19,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:19,355 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:01:19,356 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:01:19,357 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:19,357 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:19,357 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:19,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:19,358 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_5242433c-5104-47a9-bbb5-3f09a9ee8539/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5353ffee1c37a3ffec4ffba8ec43efc8addb948d99d804c998abea189ea9cf15 [2023-11-25 00:01:19,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:19,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:19,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:19,815 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:19,815 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:19,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i [2023-11-25 00:01:23,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:23,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:23,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i [2023-11-25 00:01:23,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/data/6382783ac/72020f22a5cf4cc4985087ed360749e8/FLAG68891a0ae [2023-11-25 00:01:23,514 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/data/6382783ac/72020f22a5cf4cc4985087ed360749e8 [2023-11-25 00:01:23,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:23,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:23,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:23,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:23,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:23,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:23" (1/1) ... [2023-11-25 00:01:23,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545234f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:23, skipping insertion in model container [2023-11-25 00:01:23,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:23" (1/1) ... [2023-11-25 00:01:23,563 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:01:23,744 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_5242433c-5104-47a9-bbb5-3f09a9ee8539/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i[916,929] [2023-11-25 00:01:23,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:23,826 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:01:23,843 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_5242433c-5104-47a9-bbb5-3f09a9ee8539/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i[916,929] [2023-11-25 00:01:23,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:23,922 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:01:23,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:23 WrapperNode [2023-11-25 00:01:23,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:23,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:23,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:01:23,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:01:23,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:23" (1/1) ... [2023-11-25 00:01:23,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:23" (1/1) ... [2023-11-25 00:01:23,996 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-25 00:01:23,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:23,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:01:23,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:01:23,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:01:24,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:23" (1/1) ... [2023-11-25 00:01:24,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:23" (1/1) ... [2023-11-25 00:01:24,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:23" (1/1) ... [2023-11-25 00:01:24,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:23" (1/1) ... [2023-11-25 00:01:24,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:23" (1/1) ... [2023-11-25 00:01:24,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:23" (1/1) ... [2023-11-25 00:01:24,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:23" (1/1) ... [2023-11-25 00:01:24,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:23" (1/1) ... [2023-11-25 00:01:24,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:01:24,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:01:24,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:01:24,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:01:24,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:23" (1/1) ... [2023-11-25 00:01:24,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:24,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:24,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:01:24,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:01:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:01:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:01:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:01:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:01:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:01:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:01:24,297 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:01:24,300 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:01:25,866 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:01:25,907 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:01:25,907 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:01:25,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:25 BoogieIcfgContainer [2023-11-25 00:01:25,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:01:25,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:01:25,911 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:01:25,914 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:01:25,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:01:23" (1/3) ... [2023-11-25 00:01:25,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30cb636b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:25, skipping insertion in model container [2023-11-25 00:01:25,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:23" (2/3) ... [2023-11-25 00:01:25,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30cb636b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:25, skipping insertion in model container [2023-11-25 00:01:25,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:25" (3/3) ... [2023-11-25 00:01:25,918 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-91.i [2023-11-25 00:01:25,938 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:01:25,939 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:01:25,989 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:01:25,996 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;@6022c574, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:01:25,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:01:26,002 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 28 states have internal predecessors, (39), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-25 00:01:26,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-25 00:01:26,023 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:26,024 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:26,025 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:01:26,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:26,032 INFO L85 PathProgramCache]: Analyzing trace with hash -404475857, now seen corresponding path program 1 times [2023-11-25 00:01:26,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:01:26,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894987801] [2023-11-25 00:01:26,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:26,049 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 [2023-11-25 00:01:26,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:01:26,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/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) [2023-11-25 00:01:26,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/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 [2023-11-25 00:01:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:26,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:01:26,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:01:26,368 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-25 00:01:26,368 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:01:26,369 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:01:26,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894987801] [2023-11-25 00:01:26,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894987801] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:26,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:26,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:01:26,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760677839] [2023-11-25 00:01:26,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:26,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:01:26,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:01:26,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:01:26,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:01:26,407 INFO L87 Difference]: Start difference. First operand has 50 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 28 states have internal predecessors, (39), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-25 00:01:27,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:01:27,287 INFO L93 Difference]: Finished difference Result 97 states and 176 transitions. [2023-11-25 00:01:27,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:01:27,309 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 119 [2023-11-25 00:01:27,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:01:27,320 INFO L225 Difference]: With dead ends: 97 [2023-11-25 00:01:27,320 INFO L226 Difference]: Without dead ends: 48 [2023-11-25 00:01:27,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:01:27,329 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:01:27,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-25 00:01:27,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-25 00:01:27,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-25 00:01:27,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 26 states have internal predecessors, (34), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-25 00:01:27,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 74 transitions. [2023-11-25 00:01:27,402 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 74 transitions. Word has length 119 [2023-11-25 00:01:27,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:01:27,403 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 74 transitions. [2023-11-25 00:01:27,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-25 00:01:27,404 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-25 00:01:27,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-25 00:01:27,407 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:27,408 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:27,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/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 [2023-11-25 00:01:27,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/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 [2023-11-25 00:01:27,612 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:01:27,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:27,612 INFO L85 PathProgramCache]: Analyzing trace with hash 73779247, now seen corresponding path program 1 times [2023-11-25 00:01:27,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:01:27,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [657339839] [2023-11-25 00:01:27,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:27,614 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 [2023-11-25 00:01:27,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:01:27,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/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) [2023-11-25 00:01:27,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5242433c-5104-47a9-bbb5-3f09a9ee8539/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 [2023-11-25 00:01:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:27,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-25 00:01:27,836 INFO L285 TraceCheckSpWp]: Computing forward predicates...