./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ced5a78035a498fa1c6524a1d2fe5cd1966b3a3c455f8342c0f34dca1990502c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:23:24,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:23:24,997 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:23:25,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:23:25,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:23:25,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:23:25,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:23:25,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:23:25,049 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:23:25,054 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:23:25,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:23:25,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:23:25,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:23:25,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:23:25,059 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:23:25,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:23:25,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:23:25,060 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:23:25,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:23:25,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:23:25,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:23:25,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:23:25,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:23:25,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:23:25,065 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:23:25,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:23:25,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:23:25,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:23:25,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:23:25,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:23:25,069 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:23:25,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:25,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:23:25,070 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:23:25,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:23:25,071 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:23:25,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:23:25,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:23:25,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:23:25,072 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:23:25,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:23:25,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:23:25,073 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ced5a78035a498fa1c6524a1d2fe5cd1966b3a3c455f8342c0f34dca1990502c [2023-11-21 22:23:25,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:23:25,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:23:25,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:23:25,464 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:23:25,465 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:23:25,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-56.i [2023-11-21 22:23:28,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:23:28,868 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:23:28,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-56.i [2023-11-21 22:23:28,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/data/ab0b0f374/d97f4db4edd041fc83a61de844cefd00/FLAGcf171a398 [2023-11-21 22:23:28,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/data/ab0b0f374/d97f4db4edd041fc83a61de844cefd00 [2023-11-21 22:23:28,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:23:28,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:23:28,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:28,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:23:28,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:23:28,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:28" (1/1) ... [2023-11-21 22:23:28,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c99116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:28, skipping insertion in model container [2023-11-21 22:23:28,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:28" (1/1) ... [2023-11-21 22:23:28,967 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:23:29,156 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_ba7c460b-9011-40e6-9ce4-37e05fe409be/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-56.i[917,930] [2023-11-21 22:23:29,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:29,231 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:23:29,243 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_ba7c460b-9011-40e6-9ce4-37e05fe409be/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-56.i[917,930] [2023-11-21 22:23:29,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:29,290 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:23:29,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:29 WrapperNode [2023-11-21 22:23:29,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:29,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:29,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:23:29,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:23:29,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:29" (1/1) ... [2023-11-21 22:23:29,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:29" (1/1) ... [2023-11-21 22:23:29,372 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2023-11-21 22:23:29,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:29,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:23:29,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:23:29,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:23:29,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:29" (1/1) ... [2023-11-21 22:23:29,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:29" (1/1) ... [2023-11-21 22:23:29,402 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:29" (1/1) ... [2023-11-21 22:23:29,420 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:23:29,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:29" (1/1) ... [2023-11-21 22:23:29,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:29" (1/1) ... [2023-11-21 22:23:29,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:29" (1/1) ... [2023-11-21 22:23:29,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:29" (1/1) ... [2023-11-21 22:23:29,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:29" (1/1) ... [2023-11-21 22:23:29,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:29" (1/1) ... [2023-11-21 22:23:29,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:23:29,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:23:29,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:23:29,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:23:29,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:29" (1/1) ... [2023-11-21 22:23:29,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:29,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:29,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:29,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:23:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:23:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:23:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:23:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:23:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:23:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:23:29,606 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:23:29,609 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:23:30,024 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:23:30,376 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:23:30,377 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:23:30,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:30 BoogieIcfgContainer [2023-11-21 22:23:30,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:23:30,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:23:30,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:23:30,387 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:23:30,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:23:28" (1/3) ... [2023-11-21 22:23:30,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e75dea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:30, skipping insertion in model container [2023-11-21 22:23:30,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:29" (2/3) ... [2023-11-21 22:23:30,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e75dea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:30, skipping insertion in model container [2023-11-21 22:23:30,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:30" (3/3) ... [2023-11-21 22:23:30,391 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-56.i [2023-11-21 22:23:30,411 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:23:30,412 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:23:30,457 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:23:30,462 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=PETRI_NET, 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;@399d04f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:23:30,462 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:23:30,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-21 22:23:30,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 22:23:30,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:23:30,479 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:30,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:23:30,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:30,485 INFO L85 PathProgramCache]: Analyzing trace with hash 883647042, now seen corresponding path program 1 times [2023-11-21 22:23:30,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:30,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124262976] [2023-11-21 22:23:30,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:30,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:31,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:23:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:31,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:23:31,449 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:23:31,451 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:23:31,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:23:31,458 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:23:31,473 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:23:31,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:23:31 BoogieIcfgContainer [2023-11-21 22:23:31,582 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:23:31,585 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:23:31,585 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:23:31,586 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:23:31,586 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:30" (3/4) ... [2023-11-21 22:23:31,588 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:23:31,590 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:23:31,592 INFO L158 Benchmark]: Toolchain (without parser) took 2676.11ms. Allocated memory was 134.2MB in the beginning and 203.4MB in the end (delta: 69.2MB). Free memory was 70.3MB in the beginning and 123.7MB in the end (delta: -53.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-21 22:23:31,592 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:31,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.12ms. Allocated memory was 134.2MB in the beginning and 203.4MB in the end (delta: 69.2MB). Free memory was 70.0MB in the beginning and 168.0MB in the end (delta: -97.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-11-21 22:23:31,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.80ms. Allocated memory is still 203.4MB. Free memory was 168.0MB in the beginning and 164.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:23:31,600 INFO L158 Benchmark]: Boogie Preprocessor took 73.06ms. Allocated memory is still 203.4MB. Free memory was 164.9MB in the beginning and 159.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:23:31,602 INFO L158 Benchmark]: RCFGBuilder took 929.05ms. Allocated memory is still 203.4MB. Free memory was 159.6MB in the beginning and 110.4MB in the end (delta: 49.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-21 22:23:31,603 INFO L158 Benchmark]: TraceAbstraction took 1199.37ms. Allocated memory is still 203.4MB. Free memory was 109.3MB in the beginning and 124.7MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:31,604 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 203.4MB. Free memory was 124.7MB in the beginning and 123.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:23:31,614 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.12ms. Allocated memory was 134.2MB in the beginning and 203.4MB in the end (delta: 69.2MB). Free memory was 70.0MB in the beginning and 168.0MB in the end (delta: -97.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.80ms. Allocated memory is still 203.4MB. Free memory was 168.0MB in the beginning and 164.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.06ms. Allocated memory is still 203.4MB. Free memory was 164.9MB in the beginning and 159.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 929.05ms. Allocated memory is still 203.4MB. Free memory was 159.6MB in the beginning and 110.4MB in the end (delta: 49.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1199.37ms. Allocated memory is still 203.4MB. Free memory was 109.3MB in the beginning and 124.7MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 203.4MB. Free memory was 124.7MB in the beginning and 123.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of shiftRight at line 40, overapproximation of shiftLeft at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed char var_1_3 = 0; [L24] unsigned char var_1_5 = 128; [L25] unsigned char var_1_6 = 16; [L26] unsigned char var_1_7 = 2; [L27] unsigned char var_1_8 = 8; [L28] double var_1_9 = 10.5; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_12 = 0; [L31] double var_1_13 = 99.25; [L32] unsigned char var_1_14 = 64; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] unsigned char var_1_18 = 1; [L36] unsigned char last_1_var_1_14 = 64; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L103] last_1_var_1_14 = var_1_14 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L72] var_1_3 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L74] CALL assume_abort_if_not(var_1_3 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_3 <= 16) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L75] var_1_5 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L77] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L78] var_1_6 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=2, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=2, var_1_8=8, var_1_9=21/2] [L80] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=2, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=2, var_1_8=8, var_1_9=21/2] [L81] var_1_7 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=8, var_1_9=21/2] [L83] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=8, var_1_9=21/2] [L84] var_1_8 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L86] CALL assume_abort_if_not(var_1_8 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_8 <= 64) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L87] var_1_10 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L89] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L90] var_1_12 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L92] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L93] var_1_13 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=21/2, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=21/2, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L95] var_1_17 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=21/2, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=21/2, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L97] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=21/2, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=21/2, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L98] var_1_18 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=21/2, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=21/2, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L100] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=21/2, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=21/2, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L114] RET updateVariables() [L115] CALL step() [L40] EXPR last_1_var_1_14 >> var_1_3 [L40] COND FALSE !((last_1_var_1_14 >> var_1_3) >= last_1_var_1_14) [L43] var_1_1 = (((((var_1_6) < (var_1_3)) ? (var_1_6) : (var_1_3))) + (((((var_1_8 + 1)) < (var_1_7)) ? ((var_1_8 + 1)) : (var_1_7)))) [L45] COND FALSE !((var_1_8 + var_1_1) >= var_1_7) [L48] COND TRUE var_1_12 || var_1_10 [L49] EXPR var_1_8 << var_1_3 [L49] COND FALSE !(var_1_1 >= (var_1_8 << var_1_3)) [L56] var_1_16 = var_1_18 [L61] unsigned char stepLocal_1 = var_1_14; [L62] unsigned char stepLocal_0 = var_1_16; [L63] COND TRUE \read(var_1_16) [L64] COND TRUE stepLocal_0 || var_1_16 [L65] COND TRUE stepLocal_1 > var_1_6 [L66] var_1_9 = var_1_13 [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR last_1_var_1_14 >> var_1_3 [L106] EXPR (((((last_1_var_1_14 >> var_1_3) >= last_1_var_1_14) ? (var_1_1 == ((unsigned char) ((((var_1_3) < ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) ? (var_1_3) : ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))))))))) : (var_1_1 == ((unsigned char) (((((var_1_6) < (var_1_3)) ? (var_1_6) : (var_1_3))) + (((((var_1_8 + 1)) < (var_1_7)) ? ((var_1_8 + 1)) : (var_1_7))))))) && (var_1_16 ? ((var_1_16 || var_1_16) ? ((var_1_14 > var_1_6) ? (var_1_9 == ((double) var_1_13)) : 1) : 1) : 1)) && (((var_1_8 + var_1_1) >= var_1_7) ? (var_1_14 == ((unsigned char) var_1_6)) : 1)) && ((var_1_12 || var_1_10) ? ((var_1_1 >= (var_1_8 << var_1_3)) ? ((var_1_6 > var_1_7) ? (var_1_16 == ((unsigned char) var_1_17)) : (var_1_16 == ((unsigned char) 1))) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_17))) [L106-L107] return (((((last_1_var_1_14 >> var_1_3) >= last_1_var_1_14) ? (var_1_1 == ((unsigned char) ((((var_1_3) < ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) ? (var_1_3) : ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))))))))) : (var_1_1 == ((unsigned char) (((((var_1_6) < (var_1_3)) ? (var_1_6) : (var_1_3))) + (((((var_1_8 + 1)) < (var_1_7)) ? ((var_1_8 + 1)) : (var_1_7))))))) && (var_1_16 ? ((var_1_16 || var_1_16) ? ((var_1_14 > var_1_6) ? (var_1_9 == ((double) var_1_13)) : 1) : 1) : 1)) && (((var_1_8 + var_1_1) >= var_1_7) ? (var_1_14 == ((unsigned char) var_1_6)) : 1)) && ((var_1_12 || var_1_10) ? ((var_1_1 >= (var_1_8 << var_1_3)) ? ((var_1_6 > var_1_7) ? (var_1_16 == ((unsigned char) var_1_17)) : (var_1_16 == ((unsigned char) 1))) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_17))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=21/2, var_1_14=64, var_1_16=1, var_1_17=0, var_1_18=1, var_1_1=66, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=21/2, var_1_14=64, var_1_16=1, var_1_17=0, var_1_18=1, var_1_1=66, var_1_3=6, var_1_5=127, var_1_6=5, var_1_7=127, var_1_8=60, var_1_9=21/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 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 [2023-11-21 22:23:31,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/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_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ced5a78035a498fa1c6524a1d2fe5cd1966b3a3c455f8342c0f34dca1990502c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:23:34,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:23:34,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:23:34,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:23:34,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:23:34,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:23:34,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:23:34,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:23:34,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:23:34,411 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:23:34,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:23:34,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:23:34,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:23:34,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:23:34,415 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:23:34,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:23:34,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:23:34,417 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:23:34,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:23:34,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:23:34,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:23:34,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:23:34,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:23:34,420 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:23:34,421 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:23:34,421 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:23:34,421 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:23:34,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:23:34,422 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:23:34,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:23:34,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:23:34,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:23:34,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:23:34,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:34,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:23:34,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:23:34,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:23:34,427 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:23:34,427 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:23:34,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:23:34,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:23:34,428 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:23:34,428 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:23:34,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:23:34,429 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:23:34,430 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ced5a78035a498fa1c6524a1d2fe5cd1966b3a3c455f8342c0f34dca1990502c [2023-11-21 22:23:34,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:23:34,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:23:34,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:23:34,839 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:23:34,839 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:23:34,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-56.i [2023-11-21 22:23:38,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:23:38,350 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:23:38,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-56.i [2023-11-21 22:23:38,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/data/7d4901f79/3fbc3e28c66e4843bc42c50bfbe68355/FLAG84560fc7a [2023-11-21 22:23:38,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/data/7d4901f79/3fbc3e28c66e4843bc42c50bfbe68355 [2023-11-21 22:23:38,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:23:38,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:23:38,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:38,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:23:38,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:23:38,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e779802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38, skipping insertion in model container [2023-11-21 22:23:38,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,455 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:23:38,634 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_ba7c460b-9011-40e6-9ce4-37e05fe409be/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-56.i[917,930] [2023-11-21 22:23:38,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:38,735 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:23:38,756 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_ba7c460b-9011-40e6-9ce4-37e05fe409be/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-56.i[917,930] [2023-11-21 22:23:38,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:38,822 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:23:38,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38 WrapperNode [2023-11-21 22:23:38,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:38,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:38,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:23:38,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:23:38,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,902 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-21 22:23:38,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:38,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:23:38,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:23:38,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:23:38,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,927 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,951 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:23:38,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:23:38,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:23:38,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:23:38,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:23:38,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:39,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:39,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:39,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:39,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:23:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:23:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:23:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:23:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:23:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:23:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:23:39,193 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:23:39,195 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:23:39,526 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:23:39,681 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:23:39,681 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:23:39,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:39 BoogieIcfgContainer [2023-11-21 22:23:39,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:23:39,685 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:23:39,685 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:23:39,689 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:23:39,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:23:38" (1/3) ... [2023-11-21 22:23:39,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39179cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:39, skipping insertion in model container [2023-11-21 22:23:39,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (2/3) ... [2023-11-21 22:23:39,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39179cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:39, skipping insertion in model container [2023-11-21 22:23:39,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:39" (3/3) ... [2023-11-21 22:23:39,692 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-56.i [2023-11-21 22:23:39,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:23:39,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:23:39,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:23:39,783 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=PETRI_NET, 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;@736713bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:23:39,784 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:23:39,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-21 22:23:39,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 22:23:39,800 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:23:39,802 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:39,802 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:23:39,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:39,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1890413873, now seen corresponding path program 1 times [2023-11-21 22:23:39,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:23:39,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195612310] [2023-11-21 22:23:39,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:39,828 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 [2023-11-21 22:23:39,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:23:39,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:23:39,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7c460b-9011-40e6-9ce4-37e05fe409be/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:23:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:40,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 22:23:40,175 INFO L285 TraceCheckSpWp]: Computing forward predicates...