./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX --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 ddec760117dfe95addb3119868a1a4b9235e79a721f69484238bafe264cc3b9f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:40:51,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:40:51,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:40:51,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:40:51,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:40:51,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:40:51,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:40:51,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:40:51,692 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:40:51,692 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:40:51,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:40:51,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:40:51,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:40:51,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:40:51,701 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:40:51,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:40:51,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:40:51,702 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:40:51,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:40:51,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:40:51,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:40:51,708 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:40:51,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:40:51,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:40:51,709 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:40:51,710 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:40:51,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:40:51,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:40:51,711 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:40:51,713 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:40:51,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:40:51,725 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:40:51,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:40:51,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:40:51,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:40:51,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:40:51,728 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:40:51,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:40:51,729 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:40:51,729 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:40:51,730 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:40:51,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:40:51,731 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_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddec760117dfe95addb3119868a1a4b9235e79a721f69484238bafe264cc3b9f [2024-11-08 17:40:52,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:40:52,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:40:52,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:40:52,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:40:52,166 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:40:52,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i Unable to find full path for "g++" [2024-11-08 17:40:54,640 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:40:54,919 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:40:54,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i [2024-11-08 17:40:54,935 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/data/5bad19447/879bfac7edfd4ec096f7574c37de1cf5/FLAG3a16bdd15 [2024-11-08 17:40:54,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/data/5bad19447/879bfac7edfd4ec096f7574c37de1cf5 [2024-11-08 17:40:54,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:40:54,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:40:54,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:40:54,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:40:54,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:40:54,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:40:54" (1/1) ... [2024-11-08 17:40:54,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1124d64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:54, skipping insertion in model container [2024-11-08 17:40:54,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:40:54" (1/1) ... [2024-11-08 17:40:55,029 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:40:55,311 WARN L250 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_ecc3aa33-a664-4101-a84f-320ce00d5af7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i[916,929] [2024-11-08 17:40:55,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:40:55,415 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:40:55,437 WARN L250 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_ecc3aa33-a664-4101-a84f-320ce00d5af7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i[916,929] [2024-11-08 17:40:55,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:40:55,497 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:40:55,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:55 WrapperNode [2024-11-08 17:40:55,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:40:55,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:40:55,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:40:55,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:40:55,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:55" (1/1) ... [2024-11-08 17:40:55,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:55" (1/1) ... [2024-11-08 17:40:55,586 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-08 17:40:55,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:40:55,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:40:55,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:40:55,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:40:55,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:55" (1/1) ... [2024-11-08 17:40:55,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:55" (1/1) ... [2024-11-08 17:40:55,608 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:55" (1/1) ... [2024-11-08 17:40:55,626 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]. [2024-11-08 17:40:55,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:55" (1/1) ... [2024-11-08 17:40:55,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:55" (1/1) ... [2024-11-08 17:40:55,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:55" (1/1) ... [2024-11-08 17:40:55,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:55" (1/1) ... [2024-11-08 17:40:55,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:55" (1/1) ... [2024-11-08 17:40:55,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:55" (1/1) ... [2024-11-08 17:40:55,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:40:55,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:40:55,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:40:55,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:40:55,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:55" (1/1) ... [2024-11-08 17:40:55,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:40:55,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:40:55,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:40:55,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:40:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:40:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:40:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:40:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:40:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:40:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:40:55,842 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:40:55,845 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:40:56,214 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 17:40:56,214 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:40:56,230 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:40:56,230 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:40:56,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:40:56 BoogieIcfgContainer [2024-11-08 17:40:56,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:40:56,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:40:56,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:40:56,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:40:56,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:40:54" (1/3) ... [2024-11-08 17:40:56,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477d4101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:40:56, skipping insertion in model container [2024-11-08 17:40:56,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:55" (2/3) ... [2024-11-08 17:40:56,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477d4101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:40:56, skipping insertion in model container [2024-11-08 17:40:56,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:40:56" (3/3) ... [2024-11-08 17:40:56,250 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-93_fixed.i [2024-11-08 17:40:56,276 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:40:56,277 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:40:56,373 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:40:56,384 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;@7eda7661, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:40:56,386 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:40:56,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:40:56,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:40:56,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:40:56,416 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:40:56,417 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:40:56,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:40:56,429 INFO L85 PathProgramCache]: Analyzing trace with hash 460119585, now seen corresponding path program 1 times [2024-11-08 17:40:56,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:40:56,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123642999] [2024-11-08 17:40:56,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:40:56,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:40:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:40:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:40:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 17:40:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:40:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:40:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:40:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:40:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 17:40:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 17:40:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:40:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:40:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 17:40:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 17:40:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 17:40:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:56,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 17:40:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:57,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:40:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:57,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:40:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:57,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 17:40:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:57,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:40:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:57,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 17:40:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:57,086 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:40:57,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:40:57,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123642999] [2024-11-08 17:40:57,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123642999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:40:57,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:40:57,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:40:57,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491951501] [2024-11-08 17:40:57,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:40:57,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:40:57,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:40:57,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:40:57,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:40:57,150 INFO L87 Difference]: Start difference. First operand has 53 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:40:57,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:40:57,186 INFO L93 Difference]: Finished difference Result 99 states and 174 transitions. [2024-11-08 17:40:57,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:40:57,189 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 121 [2024-11-08 17:40:57,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:40:57,205 INFO L225 Difference]: With dead ends: 99 [2024-11-08 17:40:57,206 INFO L226 Difference]: Without dead ends: 49 [2024-11-08 17:40:57,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:40:57,215 INFO L432 NwaCegarLoop]: 73 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, 73 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 [2024-11-08 17:40:57,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:40:57,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-08 17:40:57,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-08 17:40:57,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:40:57,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 73 transitions. [2024-11-08 17:40:57,285 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 73 transitions. Word has length 121 [2024-11-08 17:40:57,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:40:57,286 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 73 transitions. [2024-11-08 17:40:57,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:40:57,287 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2024-11-08 17:40:57,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:40:57,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:40:57,292 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:40:57,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:40:57,293 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:40:57,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:40:57,294 INFO L85 PathProgramCache]: Analyzing trace with hash -833349283, now seen corresponding path program 1 times [2024-11-08 17:40:57,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:40:57,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164626259] [2024-11-08 17:40:57,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:40:57,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:40:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:40:57,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2144113467] [2024-11-08 17:40:57,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:40:57,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:40:57,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:40:57,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:40:57,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:40:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:40:57,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:40:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:40:58,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:40:58,007 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:40:58,009 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:40:58,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 17:40:58,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:40:58,216 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 17:40:58,319 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:40:58,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:40:58 BoogieIcfgContainer [2024-11-08 17:40:58,324 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:40:58,325 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:40:58,325 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:40:58,326 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:40:58,326 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:40:56" (3/4) ... [2024-11-08 17:40:58,330 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:40:58,331 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:40:58,332 INFO L158 Benchmark]: Toolchain (without parser) took 3360.81ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 118.4MB in the beginning and 114.0MB in the end (delta: 4.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2024-11-08 17:40:58,333 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 157.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:40:58,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.96ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 103.6MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:40:58,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.94ms. Allocated memory is still 157.3MB. Free memory was 103.6MB in the beginning and 101.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:40:58,335 INFO L158 Benchmark]: Boogie Preprocessor took 68.15ms. Allocated memory is still 157.3MB. Free memory was 101.6MB in the beginning and 98.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:40:58,336 INFO L158 Benchmark]: RCFGBuilder took 577.69ms. Allocated memory is still 157.3MB. Free memory was 98.9MB in the beginning and 83.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:40:58,337 INFO L158 Benchmark]: TraceAbstraction took 2084.98ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 82.7MB in the beginning and 115.1MB in the end (delta: -32.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-08 17:40:58,338 INFO L158 Benchmark]: Witness Printer took 6.25ms. Allocated memory is still 192.9MB. Free memory was 115.1MB in the beginning and 114.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:40:58,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 157.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.96ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 103.6MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.94ms. Allocated memory is still 157.3MB. Free memory was 103.6MB in the beginning and 101.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.15ms. Allocated memory is still 157.3MB. Free memory was 101.6MB in the beginning and 98.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 577.69ms. Allocated memory is still 157.3MB. Free memory was 98.9MB in the beginning and 83.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2084.98ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 82.7MB in the beginning and 115.1MB in the end (delta: -32.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Witness Printer took 6.25ms. Allocated memory is still 192.9MB. Free memory was 115.1MB in the beginning and 114.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 255; [L23] signed long int var_1_3 = 0; [L24] signed long int var_1_5 = 128; [L25] signed long int var_1_6 = 9; [L26] signed long int var_1_7 = 31; [L27] signed long int var_1_8 = 9; [L28] signed long int var_1_9 = 499; [L29] signed long int var_1_10 = 1; [L30] unsigned char var_1_11 = 0; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 1; [L34] signed long int last_1_var_1_10 = 1; VAL [isInitial=0, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=0, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L92] last_1_var_1_10 = var_1_10 VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=0, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L61] var_1_3 = __VERIFIER_nondet_long() [L62] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L62] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L63] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L63] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L64] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L64] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L65] var_1_5 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L66] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L67] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L67] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L68] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L68] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L69] var_1_6 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=31, var_1_8=9, var_1_9=499] [L70] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=31, var_1_8=9, var_1_9=499] [L71] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=31, var_1_8=9, var_1_9=499] [L71] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=31, var_1_8=9, var_1_9=499] [L72] var_1_7 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=9, var_1_9=499] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=9, var_1_9=499] [L74] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=9, var_1_9=499] [L74] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=9, var_1_9=499] [L75] var_1_8 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=499] [L76] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=499] [L77] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=499] [L77] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=499] [L78] var_1_9 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L79] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L80] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L80] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L81] var_1_12 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L82] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L83] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L83] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L84] var_1_13 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L85] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L86] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L86] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L87] var_1_14 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L88] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L89] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L89] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L103] RET updateVariables() [L104] CALL step() [L38] COND FALSE !(((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) [L45] var_1_1 = 64.51f VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L47] COND TRUE var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1)))) [L48] var_1_10 = 2147000000.0f VAL [isInitial=1, last_1_var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L52] COND TRUE ! (var_1_3 <= var_1_10) [L53] var_1_11 = (var_1_12 && var_1_13) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return (((((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) ? ((last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) ? (var_1_1 == ((signed long int) var_1_9)) : (var_1_1 == ((signed long int) var_1_9))) : (var_1_1 == ((signed long int) 64.51f))) && ((var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1))))) ? (var_1_10 == ((signed long int) 2147000000.0f)) : (var_1_10 == ((signed long int) var_1_9)))) && ((! (var_1_3 <= var_1_10)) ? (var_1_11 == ((unsigned char) (var_1_12 && var_1_13))) : (((var_1_7 / var_1_3) < ((((((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) < (var_1_5)) ? (((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) : (var_1_5)))) ? (var_1_11 == ((unsigned char) var_1_14)) : 1)) ; VAL [\result=0, isInitial=1, last_1_var_1_10=1, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=0, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=0, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=1, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=0, var_1_3=1, var_1_5=-1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 20, 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, 73 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, 73 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 363 NumberOfCodeBlocks, 363 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 760/760 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 [2024-11-08 17:40:58,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/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_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX --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 ddec760117dfe95addb3119868a1a4b9235e79a721f69484238bafe264cc3b9f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:41:01,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:41:01,164 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:41:01,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:41:01,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:41:01,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:41:01,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:41:01,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:41:01,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:41:01,216 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:41:01,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:41:01,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:41:01,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:41:01,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:41:01,220 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:41:01,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:41:01,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:41:01,222 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:41:01,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:41:01,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:41:01,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:41:01,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:41:01,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:41:01,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:41:01,225 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:41:01,225 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:41:01,226 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:41:01,226 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:41:01,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:41:01,227 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:41:01,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:41:01,227 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:41:01,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:41:01,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:41:01,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:41:01,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:41:01,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:41:01,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:41:01,229 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:41:01,230 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:41:01,230 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:41:01,231 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:41:01,240 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:41:01,241 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:41:01,241 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_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddec760117dfe95addb3119868a1a4b9235e79a721f69484238bafe264cc3b9f [2024-11-08 17:41:01,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:41:01,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:41:01,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:41:01,710 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:41:01,711 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:41:01,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i Unable to find full path for "g++" [2024-11-08 17:41:04,185 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:41:04,478 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:41:04,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i [2024-11-08 17:41:04,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/data/4c3de247e/8afdfd6a265d47dc8e648f1ff7de2149/FLAGbbb1c32c1 [2024-11-08 17:41:04,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/data/4c3de247e/8afdfd6a265d47dc8e648f1ff7de2149 [2024-11-08 17:41:04,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:41:04,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:41:04,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:41:04,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:41:04,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:41:04,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:41:04" (1/1) ... [2024-11-08 17:41:04,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4d5a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:04, skipping insertion in model container [2024-11-08 17:41:04,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:41:04" (1/1) ... [2024-11-08 17:41:04,859 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:41:05,159 WARN L250 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_ecc3aa33-a664-4101-a84f-320ce00d5af7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i[916,929] [2024-11-08 17:41:05,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:41:05,281 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:41:05,301 WARN L250 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_ecc3aa33-a664-4101-a84f-320ce00d5af7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i[916,929] [2024-11-08 17:41:05,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:41:05,384 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:41:05,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:05 WrapperNode [2024-11-08 17:41:05,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:41:05,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:41:05,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:41:05,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:41:05,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:05" (1/1) ... [2024-11-08 17:41:05,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:05" (1/1) ... [2024-11-08 17:41:05,471 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-11-08 17:41:05,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:41:05,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:41:05,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:41:05,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:41:05,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:05" (1/1) ... [2024-11-08 17:41:05,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:05" (1/1) ... [2024-11-08 17:41:05,495 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:05" (1/1) ... [2024-11-08 17:41:05,528 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]. [2024-11-08 17:41:05,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:05" (1/1) ... [2024-11-08 17:41:05,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:05" (1/1) ... [2024-11-08 17:41:05,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:05" (1/1) ... [2024-11-08 17:41:05,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:05" (1/1) ... [2024-11-08 17:41:05,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:05" (1/1) ... [2024-11-08 17:41:05,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:05" (1/1) ... [2024-11-08 17:41:05,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:41:05,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:41:05,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:41:05,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:41:05,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:05" (1/1) ... [2024-11-08 17:41:05,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:41:05,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:41:05,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:41:05,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:41:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:41:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:41:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:41:05,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:41:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:41:05,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:41:05,771 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:41:05,774 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:41:18,420 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 17:41:18,421 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:41:18,450 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:41:18,451 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:41:18,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:41:18 BoogieIcfgContainer [2024-11-08 17:41:18,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:41:18,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:41:18,456 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:41:18,460 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:41:18,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:41:04" (1/3) ... [2024-11-08 17:41:18,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb57096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:41:18, skipping insertion in model container [2024-11-08 17:41:18,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:05" (2/3) ... [2024-11-08 17:41:18,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb57096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:41:18, skipping insertion in model container [2024-11-08 17:41:18,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:41:18" (3/3) ... [2024-11-08 17:41:18,466 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-93_fixed.i [2024-11-08 17:41:18,486 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:41:18,487 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:41:18,556 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:41:18,572 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;@431092d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:41:18,574 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:41:18,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:41:18,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:41:18,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:18,602 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:18,603 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:18,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:18,612 INFO L85 PathProgramCache]: Analyzing trace with hash 460119585, now seen corresponding path program 1 times [2024-11-08 17:41:18,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:41:18,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039813873] [2024-11-08 17:41:18,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:18,635 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 [2024-11-08 17:41:18,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:41:18,639 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:41:18,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:19,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:41:19,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:41:19,285 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-08 17:41:19,288 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:41:19,290 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:41:19,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039813873] [2024-11-08 17:41:19,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039813873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:19,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:19,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:41:19,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317042448] [2024-11-08 17:41:19,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:19,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:41:19,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:41:19,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:41:19,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:41:19,389 INFO L87 Difference]: Start difference. First operand has 53 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:41:19,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:19,446 INFO L93 Difference]: Finished difference Result 99 states and 174 transitions. [2024-11-08 17:41:19,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:41:19,449 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 121 [2024-11-08 17:41:19,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:19,461 INFO L225 Difference]: With dead ends: 99 [2024-11-08 17:41:19,461 INFO L226 Difference]: Without dead ends: 49 [2024-11-08 17:41:19,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:41:19,474 INFO L432 NwaCegarLoop]: 73 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, 73 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 [2024-11-08 17:41:19,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:41:19,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-08 17:41:19,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-08 17:41:19,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:41:19,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 73 transitions. [2024-11-08 17:41:19,549 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 73 transitions. Word has length 121 [2024-11-08 17:41:19,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:19,553 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 73 transitions. [2024-11-08 17:41:19,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:41:19,553 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2024-11-08 17:41:19,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:41:19,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:19,561 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:19,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:19,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:19,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:19,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:19,766 INFO L85 PathProgramCache]: Analyzing trace with hash -833349283, now seen corresponding path program 1 times [2024-11-08 17:41:19,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:41:19,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503188401] [2024-11-08 17:41:19,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:19,769 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 [2024-11-08 17:41:19,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:41:19,773 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:41:19,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:41:20,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:41:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:41:20,893 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-08 17:41:20,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [517976504] [2024-11-08 17:41:20,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:20,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:41:20,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:41:20,905 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:41:20,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc3aa33-a664-4101-a84f-320ce00d5af7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:41:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:21,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 17:41:21,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:41:31,250 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:41:38,514 WARN L286 SmtUtils]: Spent 7.26s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:41:46,744 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:41:54,906 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:42:04,797 WARN L286 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:42:13,046 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:42:21,268 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:42:25,335 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_1~0 ((_ fp.to_sbv 32) roundTowardZero ((_ to_fp 8 24) c_currentRoundingMode (/ 6451.0 100.0)))) (= c_~var_1_10~0 ((_ fp.to_sbv 32) roundTowardZero ((_ to_fp 8 24) c_currentRoundingMode 2147000000.0))) (= (bvsdiv (bvneg c_~last_1_var_1_10~0) c_~var_1_3~0) (bvsdiv c_~last_1_var_1_10~0 c_~var_1_5~0)) (bvsle ((_ zero_extend 24) c_~var_1_13~0) (_ bv0 32)) (let ((.cse2 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_9~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 642.0 5.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (bvmul c_~var_1_5~0 c_~var_1_1~0)))) (let ((.cse0 (fp.gt .cse2 .cse3)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0))) (or (and .cse0 (fp.gt .cse1 .cse2)) (and (not .cse0) (fp.gt .cse1 .cse3)))))) is different from false [2024-11-08 17:42:29,397 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_1~0 ((_ fp.to_sbv 32) roundTowardZero ((_ to_fp 8 24) c_currentRoundingMode (/ 6451.0 100.0)))) (= c_~var_1_10~0 ((_ fp.to_sbv 32) roundTowardZero ((_ to_fp 8 24) c_currentRoundingMode 2147000000.0))) (= (bvsdiv (bvneg c_~last_1_var_1_10~0) c_~var_1_3~0) (bvsdiv c_~last_1_var_1_10~0 c_~var_1_5~0)) (bvsle ((_ zero_extend 24) c_~var_1_13~0) (_ bv0 32)) (let ((.cse2 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_9~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 642.0 5.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (bvmul c_~var_1_5~0 c_~var_1_1~0)))) (let ((.cse0 (fp.gt .cse2 .cse3)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0))) (or (and .cse0 (fp.gt .cse1 .cse2)) (and (not .cse0) (fp.gt .cse1 .cse3)))))) is different from true [2024-11-08 17:42:37,735 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:42:45,980 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:42:52,088 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:43:00,302 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:43:08,526 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:43:14,312 WARN L286 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:43:31,582 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:43:39,813 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:43:48,071 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:43:55,568 WARN L873 $PredicateComparison]: unable to prove that (and (not (bvsle c_~var_1_3~0 c_~var_1_10~0)) (= c_~var_1_1~0 ((_ fp.to_sbv 32) roundTowardZero ((_ to_fp 8 24) c_currentRoundingMode (/ 6451.0 100.0)))) (= c_~var_1_10~0 ((_ fp.to_sbv 32) roundTowardZero ((_ to_fp 8 24) c_currentRoundingMode 2147000000.0))) (= (bvsdiv (bvneg c_~last_1_var_1_10~0) c_~var_1_3~0) (bvsdiv c_~last_1_var_1_10~0 c_~var_1_5~0)) (bvsle ((_ zero_extend 24) c_~var_1_13~0) (_ bv0 32)) (let ((.cse2 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_9~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 642.0 5.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (bvmul c_~var_1_5~0 c_~var_1_1~0)))) (let ((.cse0 (fp.gt .cse2 .cse3)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0))) (or (and .cse0 (fp.gt .cse1 .cse2)) (and (not .cse0) (fp.gt .cse1 .cse3))))) (= (_ bv0 8) c_~var_1_11~0)) is different from true