./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU --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 e93de99482d94814bb61a39ae8aebe1d7604ed02e49ddec9cbe7f761e760f5e6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:13:09,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:13:10,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:13:10,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:13:10,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:13:10,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:13:10,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:13:10,061 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:13:10,062 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:13:10,064 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:13:10,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:13:10,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:13:10,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:13:10,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:13:10,066 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:13:10,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:13:10,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:13:10,070 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:13:10,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:13:10,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:13:10,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:13:10,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:13:10,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:13:10,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:13:10,076 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:13:10,076 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:13:10,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:13:10,076 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:13:10,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:13:10,077 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:13:10,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:13:10,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:13:10,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:10,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:13:10,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:13:10,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:13:10,079 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:13:10,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:13:10,082 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:13:10,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:13:10,083 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:13:10,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:13:10,083 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_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e93de99482d94814bb61a39ae8aebe1d7604ed02e49ddec9cbe7f761e760f5e6 [2024-10-31 22:13:10,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:13:10,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:13:10,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:13:10,430 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:13:10,431 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:13:10,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-31.i Unable to find full path for "g++" [2024-10-31 22:13:12,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:13:12,787 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:13:12,788 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-31.i [2024-10-31 22:13:12,797 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/data/5656fa22f/dbdb091a53344ce88e853d78a86fe31f/FLAG65f5158e5 [2024-10-31 22:13:12,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/data/5656fa22f/dbdb091a53344ce88e853d78a86fe31f [2024-10-31 22:13:12,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:13:12,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:13:12,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:12,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:13:12,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:13:12,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:12" (1/1) ... [2024-10-31 22:13:12,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2268427c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:12, skipping insertion in model container [2024-10-31 22:13:12,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:12" (1/1) ... [2024-10-31 22:13:12,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:13:13,055 WARN L251 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_640518e3-845c-40f7-bb05-a3a78d92911f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-31.i[917,930] [2024-10-31 22:13:13,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:13,112 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:13:13,123 WARN L251 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_640518e3-845c-40f7-bb05-a3a78d92911f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-31.i[917,930] [2024-10-31 22:13:13,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:13,182 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:13:13,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:13 WrapperNode [2024-10-31 22:13:13,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:13,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:13,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:13:13,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:13:13,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:13" (1/1) ... [2024-10-31 22:13:13,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:13" (1/1) ... [2024-10-31 22:13:13,244 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98 [2024-10-31 22:13:13,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:13,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:13:13,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:13:13,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:13:13,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:13" (1/1) ... [2024-10-31 22:13:13,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:13" (1/1) ... [2024-10-31 22:13:13,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:13" (1/1) ... [2024-10-31 22:13:13,285 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:13:13,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:13" (1/1) ... [2024-10-31 22:13:13,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:13" (1/1) ... [2024-10-31 22:13:13,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:13" (1/1) ... [2024-10-31 22:13:13,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:13" (1/1) ... [2024-10-31 22:13:13,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:13" (1/1) ... [2024-10-31 22:13:13,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:13" (1/1) ... [2024-10-31 22:13:13,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:13:13,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:13:13,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:13:13,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:13:13,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:13" (1/1) ... [2024-10-31 22:13:13,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:13,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:13,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:13,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:13:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:13:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:13:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:13:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:13:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:13:13,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:13:13,488 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:13:13,491 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:13:13,794 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:13:13,795 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:13:13,821 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:13:13,821 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:13:13,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:13 BoogieIcfgContainer [2024-10-31 22:13:13,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:13:13,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:13:13,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:13:13,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:13:13,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:13:12" (1/3) ... [2024-10-31 22:13:13,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3854390f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:13, skipping insertion in model container [2024-10-31 22:13:13,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:13" (2/3) ... [2024-10-31 22:13:13,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3854390f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:13, skipping insertion in model container [2024-10-31 22:13:13,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:13" (3/3) ... [2024-10-31 22:13:13,838 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-31.i [2024-10-31 22:13:13,861 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:13:13,862 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:13:13,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:13:13,963 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@4ac07c63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:13:13,967 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:13:13,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-31 22:13:13,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-31 22:13:13,991 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:13,992 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:13,993 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:14,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:14,002 INFO L85 PathProgramCache]: Analyzing trace with hash -297880325, now seen corresponding path program 1 times [2024-10-31 22:13:14,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:14,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493542039] [2024-10-31 22:13:14,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:14,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:14,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:13:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:14,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:13:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:14,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:13:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:14,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:13:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:14,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:13:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:14,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:13:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:14,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:13:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:14,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:13:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:14,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:13:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:14,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:13:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:14,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:13:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:14,619 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-31 22:13:14,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:14,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493542039] [2024-10-31 22:13:14,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493542039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:14,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:14,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:14,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344370994] [2024-10-31 22:13:14,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:14,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:13:14,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:14,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:13:14,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:13:14,669 INFO L87 Difference]: Start difference. First operand has 45 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-31 22:13:14,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:14,708 INFO L93 Difference]: Finished difference Result 83 states and 139 transitions. [2024-10-31 22:13:14,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:13:14,710 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-10-31 22:13:14,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:14,723 INFO L225 Difference]: With dead ends: 83 [2024-10-31 22:13:14,723 INFO L226 Difference]: Without dead ends: 41 [2024-10-31 22:13:14,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:13:14,732 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:14,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:14,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-10-31 22:13:14,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-10-31 22:13:14,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-31 22:13:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 59 transitions. [2024-10-31 22:13:14,797 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 59 transitions. Word has length 74 [2024-10-31 22:13:14,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:14,800 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 59 transitions. [2024-10-31 22:13:14,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-31 22:13:14,801 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2024-10-31 22:13:14,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-31 22:13:14,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:14,806 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:14,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:13:14,808 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:14,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:14,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1477127037, now seen corresponding path program 1 times [2024-10-31 22:13:14,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:14,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39160077] [2024-10-31 22:13:14,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:14,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:13:14,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1236392963] [2024-10-31 22:13:14,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:14,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:13:14,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:14,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:13:14,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:13:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:15,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:13:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:15,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:13:15,187 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:13:15,192 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:13:15,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:15,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:13:15,404 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 22:13:15,548 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:13:15,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:13:15 BoogieIcfgContainer [2024-10-31 22:13:15,556 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:13:15,556 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:13:15,556 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:13:15,561 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:13:15,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:13" (3/4) ... [2024-10-31 22:13:15,567 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:13:15,568 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:13:15,571 INFO L158 Benchmark]: Toolchain (without parser) took 2752.51ms. Allocated memory is still 130.0MB. Free memory was 99.8MB in the beginning and 60.9MB in the end (delta: 38.9MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-10-31 22:13:15,572 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:13:15,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.59ms. Allocated memory is still 130.0MB. Free memory was 99.8MB in the beginning and 85.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:13:15,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.49ms. Allocated memory is still 130.0MB. Free memory was 85.7MB in the beginning and 83.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:13:15,576 INFO L158 Benchmark]: Boogie Preprocessor took 56.21ms. Allocated memory is still 130.0MB. Free memory was 83.2MB in the beginning and 80.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:13:15,576 INFO L158 Benchmark]: RCFGBuilder took 520.08ms. Allocated memory is still 130.0MB. Free memory was 80.6MB in the beginning and 65.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:13:15,577 INFO L158 Benchmark]: TraceAbstraction took 1729.25ms. Allocated memory is still 130.0MB. Free memory was 64.8MB in the beginning and 61.6MB in the end (delta: 3.2MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-10-31 22:13:15,577 INFO L158 Benchmark]: Witness Printer took 12.03ms. Allocated memory is still 130.0MB. Free memory was 61.6MB in the beginning and 60.9MB in the end (delta: 712.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:13:15,582 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.59ms. Allocated memory is still 130.0MB. Free memory was 99.8MB in the beginning and 85.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.49ms. Allocated memory is still 130.0MB. Free memory was 85.7MB in the beginning and 83.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.21ms. Allocated memory is still 130.0MB. Free memory was 83.2MB in the beginning and 80.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.08ms. Allocated memory is still 130.0MB. Free memory was 80.6MB in the beginning and 65.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1729.25ms. Allocated memory is still 130.0MB. Free memory was 64.8MB in the beginning and 61.6MB in the end (delta: 3.2MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Witness Printer took 12.03ms. Allocated memory is still 130.0MB. Free memory was 61.6MB in the beginning and 60.9MB in the end (delta: 712.5kB). 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 someBinaryDOUBLEComparisonOperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 200; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = 1107940323; [L25] unsigned char var_1_6 = 0; [L26] signed long int var_1_7 = 4; [L27] signed long int var_1_8 = -32; [L28] unsigned char var_1_9 = 64; [L29] unsigned char var_1_12 = 4; [L30] double var_1_13 = 0.97; [L31] double var_1_14 = 32.6; [L32] signed long int last_1_var_1_7 = 4; [L33] double last_1_var_1_13 = 0.97; VAL [isInitial=0, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=0, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L92] last_1_var_1_7 = var_1_7 [L93] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=0, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L103] RET updateLastVariables() [L104] CALL updateVariables() [L73] var_1_2 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L74] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L75] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L75] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L76] var_1_3 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_3 >= 1073741822) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L77] RET assume_abort_if_not(var_1_3 >= 1073741822) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L78] CALL assume_abort_if_not(var_1_3 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L78] RET assume_abort_if_not(var_1_3 <= 2147483646) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L79] var_1_6 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_7=4, var_1_8=-32, var_1_9=64] [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_7=4, var_1_8=-32, var_1_9=64] [L81] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L81] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L82] var_1_8 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_8 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L83] RET assume_abort_if_not(var_1_8 >= -1073741823) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L84] CALL assume_abort_if_not(var_1_8 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L84] RET assume_abort_if_not(var_1_8 <= 1073741823) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L85] var_1_12 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L86] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L87] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L87] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L88] var_1_14 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L89] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L104] RET updateVariables() [L105] CALL step() [L37] COND FALSE !(! (var_1_3 < (var_1_8 * last_1_var_1_7))) [L44] var_1_9 = var_1_12 VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=1] [L46] COND FALSE !(var_1_9 < var_1_9) [L49] var_1_7 = (var_1_9 - var_1_3) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L51] COND FALSE !((var_1_9 + var_1_3) < var_1_9) [L62] var_1_13 = var_1_14 VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L64] COND TRUE \read(var_1_2) [L65] var_1_1 = ((var_1_3 - var_1_9) - var_1_9) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=1073741821, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L105] RET step() [L106] CALL, EXPR property() [L96-L97] return (((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_9) - var_1_9))) : ((var_1_6 && (var_1_3 < var_1_9)) ? (var_1_1 == ((signed long int) var_1_3)) : 1)) && ((var_1_9 < var_1_9) ? (var_1_7 == ((signed long int) (var_1_9 + var_1_9))) : (var_1_7 == ((signed long int) (var_1_9 - var_1_3))))) && ((! (var_1_3 < (var_1_8 * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? (var_1_6 ? (var_1_9 == ((unsigned char) var_1_12)) : 1) : 1) : (var_1_9 == ((unsigned char) var_1_12)))) && (((var_1_9 + var_1_3) < var_1_9) ? ((var_1_2 && var_1_6) ? (var_1_6 ? (var_1_13 == ((double) 0.8)) : (var_1_13 == ((double) var_1_14))) : (var_1_13 == ((double) var_1_14))) : (var_1_13 == ((double) var_1_14))) ; VAL [\result=0, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=1073741821, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=1073741821, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=1073741821, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 59 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 220/220 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:13:15,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU --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 e93de99482d94814bb61a39ae8aebe1d7604ed02e49ddec9cbe7f761e760f5e6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:13:18,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:13:18,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:13:18,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:13:18,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:13:18,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:13:18,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:13:18,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:13:18,269 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:13:18,271 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:13:18,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:13:18,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:13:18,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:13:18,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:13:18,275 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:13:18,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:13:18,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:13:18,277 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:13:18,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:13:18,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:13:18,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:13:18,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:13:18,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:13:18,282 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:13:18,283 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:13:18,283 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:13:18,283 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:13:18,284 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:13:18,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:13:18,284 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:13:18,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:13:18,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:13:18,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:13:18,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:13:18,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:18,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:13:18,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:13:18,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:13:18,288 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:13:18,288 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:13:18,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:13:18,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:13:18,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:13:18,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:13:18,290 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:13:18,290 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_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e93de99482d94814bb61a39ae8aebe1d7604ed02e49ddec9cbe7f761e760f5e6 [2024-10-31 22:13:18,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:13:18,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:13:18,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:13:18,782 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:13:18,784 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:13:18,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-31.i Unable to find full path for "g++" [2024-10-31 22:13:21,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:13:21,394 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:13:21,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-31.i [2024-10-31 22:13:21,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/data/c2c74bd9a/e88e1badf840447cb38421439dd89e9d/FLAG5ac11d9c2 [2024-10-31 22:13:21,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/data/c2c74bd9a/e88e1badf840447cb38421439dd89e9d [2024-10-31 22:13:21,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:13:21,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:13:21,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:21,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:13:21,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:13:21,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:21" (1/1) ... [2024-10-31 22:13:21,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108bc323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:21, skipping insertion in model container [2024-10-31 22:13:21,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:21" (1/1) ... [2024-10-31 22:13:21,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:13:22,067 WARN L251 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_640518e3-845c-40f7-bb05-a3a78d92911f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-31.i[917,930] [2024-10-31 22:13:22,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:22,158 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:13:22,177 WARN L251 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_640518e3-845c-40f7-bb05-a3a78d92911f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-31.i[917,930] [2024-10-31 22:13:22,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:22,247 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:13:22,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:22 WrapperNode [2024-10-31 22:13:22,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:22,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:22,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:13:22,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:13:22,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:22" (1/1) ... [2024-10-31 22:13:22,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:22" (1/1) ... [2024-10-31 22:13:22,338 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2024-10-31 22:13:22,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:22,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:13:22,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:13:22,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:13:22,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:22" (1/1) ... [2024-10-31 22:13:22,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:22" (1/1) ... [2024-10-31 22:13:22,396 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:22" (1/1) ... [2024-10-31 22:13:22,422 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:13:22,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:22" (1/1) ... [2024-10-31 22:13:22,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:22" (1/1) ... [2024-10-31 22:13:22,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:22" (1/1) ... [2024-10-31 22:13:22,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:22" (1/1) ... [2024-10-31 22:13:22,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:22" (1/1) ... [2024-10-31 22:13:22,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:22" (1/1) ... [2024-10-31 22:13:22,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:13:22,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:13:22,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:13:22,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:13:22,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:22" (1/1) ... [2024-10-31 22:13:22,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:22,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:22,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:22,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:13:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:13:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:13:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:13:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:13:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:13:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:13:22,629 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:13:22,632 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:13:23,038 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:13:23,038 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:13:23,056 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:13:23,056 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:13:23,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:23 BoogieIcfgContainer [2024-10-31 22:13:23,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:13:23,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:13:23,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:13:23,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:13:23,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:13:21" (1/3) ... [2024-10-31 22:13:23,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58386595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:23, skipping insertion in model container [2024-10-31 22:13:23,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:22" (2/3) ... [2024-10-31 22:13:23,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58386595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:23, skipping insertion in model container [2024-10-31 22:13:23,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:23" (3/3) ... [2024-10-31 22:13:23,070 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-31.i [2024-10-31 22:13:23,089 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:13:23,089 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:13:23,170 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:13:23,177 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@6e54ed41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:13:23,177 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:13:23,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-31 22:13:23,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-31 22:13:23,190 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:23,190 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:23,191 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:23,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:23,195 INFO L85 PathProgramCache]: Analyzing trace with hash -297880325, now seen corresponding path program 1 times [2024-10-31 22:13:23,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:13:23,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239852722] [2024-10-31 22:13:23,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:23,208 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:13:23,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:13:23,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:13:23,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-31 22:13:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:23,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:13:23,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:13:23,465 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-31 22:13:23,466 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:13:23,467 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:13:23,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [239852722] [2024-10-31 22:13:23,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [239852722] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:23,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:23,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:23,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306643096] [2024-10-31 22:13:23,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:23,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:13:23,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:13:23,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:13:23,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:13:23,500 INFO L87 Difference]: Start difference. First operand has 45 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-31 22:13:23,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:23,536 INFO L93 Difference]: Finished difference Result 82 states and 137 transitions. [2024-10-31 22:13:23,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:13:23,539 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-10-31 22:13:23,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:23,549 INFO L225 Difference]: With dead ends: 82 [2024-10-31 22:13:23,550 INFO L226 Difference]: Without dead ends: 40 [2024-10-31 22:13:23,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:13:23,559 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:23,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:23,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-10-31 22:13:23,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-10-31 22:13:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-31 22:13:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2024-10-31 22:13:23,618 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 74 [2024-10-31 22:13:23,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:23,620 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2024-10-31 22:13:23,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-31 22:13:23,621 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2024-10-31 22:13:23,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-31 22:13:23,625 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:23,625 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:23,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:13:23,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:13:23,828 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:23,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:23,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1477127037, now seen corresponding path program 1 times [2024-10-31 22:13:23,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:13:23,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [725222313] [2024-10-31 22:13:23,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:23,833 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:13:23,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:13:23,836 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:13:23,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_640518e3-845c-40f7-bb05-a3a78d92911f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-31 22:13:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:24,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-31 22:13:24,024 INFO L278 TraceCheckSpWp]: Computing forward predicates...