./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya --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 4125067731c9461f504f645ef137a32a099671890c2e50b3f9cd5d26dd48e367 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:04:28,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:04:28,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:04:28,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:04:28,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:04:28,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:04:28,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:04:28,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:04:28,839 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:04:28,839 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:04:28,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:04:28,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:04:28,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:04:28,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:04:28,842 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:04:28,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:04:28,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:04:28,844 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:04:28,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:04:28,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:04:28,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:04:28,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:04:28,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:04:28,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:04:28,847 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:04:28,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:04:28,848 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:04:28,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:04:28,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:04:28,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:04:28,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:04:28,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:04:28,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:04:28,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:04:28,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:04:28,851 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:04:28,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:04:28,851 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:04:28,852 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:04:28,852 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:04:28,852 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:04:28,852 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:04:28,852 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_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4125067731c9461f504f645ef137a32a099671890c2e50b3f9cd5d26dd48e367 [2023-11-29 02:04:29,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:04:29,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:04:29,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:04:29,083 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:04:29,083 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:04:29,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2023-11-29 02:04:31,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:04:32,001 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:04:32,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2023-11-29 02:04:32,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/data/837cf7235/f52d24e2dd914635a38fa32a6443f26b/FLAGd067bc33a [2023-11-29 02:04:32,024 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/data/837cf7235/f52d24e2dd914635a38fa32a6443f26b [2023-11-29 02:04:32,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:04:32,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:04:32,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:04:32,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:04:32,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:04:32,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:04:32" (1/1) ... [2023-11-29 02:04:32,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bdc69f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32, skipping insertion in model container [2023-11-29 02:04:32,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:04:32" (1/1) ... [2023-11-29 02:04:32,053 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:04:32,185 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c[1210,1223] [2023-11-29 02:04:32,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:04:32,197 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:04:32,214 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c[1210,1223] [2023-11-29 02:04:32,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:04:32,227 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:04:32,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32 WrapperNode [2023-11-29 02:04:32,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:04:32,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:04:32,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:04:32,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:04:32,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32" (1/1) ... [2023-11-29 02:04:32,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32" (1/1) ... [2023-11-29 02:04:32,258 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-29 02:04:32,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:04:32,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:04:32,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:04:32,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:04:32,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32" (1/1) ... [2023-11-29 02:04:32,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32" (1/1) ... [2023-11-29 02:04:32,272 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32" (1/1) ... [2023-11-29 02:04:32,287 INFO L175 MemorySlicer]: Split 9 memory accesses to 4 slices as follows [2, 2, 3, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 4 writes are split as follows [0, 1, 2, 1]. [2023-11-29 02:04:32,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32" (1/1) ... [2023-11-29 02:04:32,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32" (1/1) ... [2023-11-29 02:04:32,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32" (1/1) ... [2023-11-29 02:04:32,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32" (1/1) ... [2023-11-29 02:04:32,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32" (1/1) ... [2023-11-29 02:04:32,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32" (1/1) ... [2023-11-29 02:04:32,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:04:32,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:04:32,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:04:32,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:04:32,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32" (1/1) ... [2023-11-29 02:04:32,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:04:32,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:04:32,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:04:32,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:04:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:04:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:04:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 02:04:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 02:04:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 02:04:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:04:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 02:04:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 02:04:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 02:04:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 02:04:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 02:04:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 02:04:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 02:04:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 02:04:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 02:04:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 02:04:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-29 02:04:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-29 02:04:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:04:32,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:04:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 02:04:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 02:04:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 02:04:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 02:04:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:04:32,473 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:04:32,475 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:04:32,607 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:04:32,632 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:04:32,633 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 02:04:32,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:04:32 BoogieIcfgContainer [2023-11-29 02:04:32,633 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:04:32,636 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:04:32,636 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:04:32,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:04:32,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:04:32" (1/3) ... [2023-11-29 02:04:32,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fbaec9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:04:32, skipping insertion in model container [2023-11-29 02:04:32,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:32" (2/3) ... [2023-11-29 02:04:32,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fbaec9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:04:32, skipping insertion in model container [2023-11-29 02:04:32,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:04:32" (3/3) ... [2023-11-29 02:04:32,643 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2023-11-29 02:04:32,663 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:04:32,663 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:04:32,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:04:32,710 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4a403a5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:04:32,711 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:04:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:32,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 02:04:32,719 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:04:32,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:04:32,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:04:32,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:04:32,726 INFO L85 PathProgramCache]: Analyzing trace with hash -445275560, now seen corresponding path program 1 times [2023-11-29 02:04:32,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:04:32,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87165762] [2023-11-29 02:04:32,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:04:32,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:04:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:32,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:04:32,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:04:32,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87165762] [2023-11-29 02:04:32,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87165762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:04:32,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:04:32,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:04:32,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982205030] [2023-11-29 02:04:32,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:04:32,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:04:32,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:04:32,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:04:32,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:04:32,895 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:32,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:04:32,916 INFO L93 Difference]: Finished difference Result 29 states and 43 transitions. [2023-11-29 02:04:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:04:32,919 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-29 02:04:32,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:04:32,926 INFO L225 Difference]: With dead ends: 29 [2023-11-29 02:04:32,927 INFO L226 Difference]: Without dead ends: 13 [2023-11-29 02:04:32,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:04:32,933 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:04:32,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:04:32,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-29 02:04:32,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-29 02:04:32,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:32,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-11-29 02:04:32,966 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 7 [2023-11-29 02:04:32,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:04:32,966 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-11-29 02:04:32,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-11-29 02:04:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 02:04:32,967 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:04:32,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:04:32,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:04:32,968 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:04:32,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:04:32,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1390444885, now seen corresponding path program 1 times [2023-11-29 02:04:32,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:04:32,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870351047] [2023-11-29 02:04:32,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:04:32,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:04:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:04:33,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:04:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:04:33,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:04:33,065 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:04:33,067 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:04:33,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:04:33,081 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 02:04:33,083 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:04:33,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:04:33 BoogieIcfgContainer [2023-11-29 02:04:33,101 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:04:33,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:04:33,102 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:04:33,102 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:04:33,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:04:32" (3/4) ... [2023-11-29 02:04:33,104 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:04:33,105 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:04:33,105 INFO L158 Benchmark]: Toolchain (without parser) took 1077.51ms. Allocated memory is still 155.2MB. Free memory was 116.1MB in the beginning and 123.0MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:04:33,106 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:04:33,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.08ms. Allocated memory is still 155.2MB. Free memory was 116.1MB in the beginning and 105.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 02:04:33,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.07ms. Allocated memory is still 155.2MB. Free memory was 105.1MB in the beginning and 103.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:04:33,108 INFO L158 Benchmark]: Boogie Preprocessor took 45.58ms. Allocated memory is still 155.2MB. Free memory was 103.7MB in the beginning and 101.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:04:33,108 INFO L158 Benchmark]: RCFGBuilder took 327.20ms. Allocated memory is still 155.2MB. Free memory was 101.0MB in the beginning and 87.5MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 02:04:33,109 INFO L158 Benchmark]: TraceAbstraction took 464.63ms. Allocated memory is still 155.2MB. Free memory was 86.9MB in the beginning and 123.4MB in the end (delta: -36.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-29 02:04:33,109 INFO L158 Benchmark]: Witness Printer took 3.57ms. Allocated memory is still 155.2MB. Free memory was 123.3MB in the beginning and 123.0MB in the end (delta: 296.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:04:33,112 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.08ms. Allocated memory is still 155.2MB. Free memory was 116.1MB in the beginning and 105.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.07ms. Allocated memory is still 155.2MB. Free memory was 105.1MB in the beginning and 103.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.58ms. Allocated memory is still 155.2MB. Free memory was 103.7MB in the beginning and 101.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.20ms. Allocated memory is still 155.2MB. Free memory was 101.0MB in the beginning and 87.5MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 464.63ms. Allocated memory is still 155.2MB. Free memory was 86.9MB in the beginning and 123.4MB in the end (delta: -36.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Witness Printer took 3.57ms. Allocated memory is still 155.2MB. Free memory was 123.3MB in the beginning and 123.0MB in the end (delta: 296.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 54]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 53. Possible FailurePath: [L49] double x = 0.0; [L50] CALL, EXPR fabs_double(x) [L28] __uint32_t high; VAL [\old(x)=0, x=0] [L30] ieee_double_shape_type gh_u; [L31] EXPR gh_u.value = (x) [L32] EXPR gh_u.parts.msw [L32] EXPR (high) = gh_u.parts.msw [L29-L33] { ieee_double_shape_type gh_u; gh_u.value = (x); (high) = gh_u.parts.msw; } VAL [\old(x)=0, high=7, x=0] [L35] ieee_double_shape_type sh_u; [L36] EXPR sh_u.value = (x) [L37] EXPR sh_u.parts.msw = (high & 0x7fffffff) [L38] EXPR sh_u.value [L38] EXPR (x) = sh_u.value [L34-L39] { ieee_double_shape_type sh_u; sh_u.value = (x); sh_u.parts.msw = (high & 0x7fffffff); (x) = sh_u.value; } VAL [\old(x)=0, high=7, x=0] [L40] return x; [L50] RET, EXPR fabs_double(x) [L50] double res = fabs_double(x); [L53] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [res=0, x=0] [L53] EXPR res == 0.0 && __signbit_double(res) == 0 [L53] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L54] reach_error() VAL [res=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, 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, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 02:04:33,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya --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 4125067731c9461f504f645ef137a32a099671890c2e50b3f9cd5d26dd48e367 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:04:35,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:04:35,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:04:35,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:04:35,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:04:35,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:04:35,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:04:35,115 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:04:35,115 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:04:35,116 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:04:35,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:04:35,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:04:35,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:04:35,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:04:35,119 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:04:35,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:04:35,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:04:35,120 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:04:35,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:04:35,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:04:35,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:04:35,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:04:35,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:04:35,123 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:04:35,123 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:04:35,124 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:04:35,124 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:04:35,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:04:35,125 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:04:35,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:04:35,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:04:35,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:04:35,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:04:35,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:04:35,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:04:35,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:04:35,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:04:35,128 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:04:35,128 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:04:35,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:04:35,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:04:35,129 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:04:35,129 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:04:35,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:04:35,129 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:04:35,129 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_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4125067731c9461f504f645ef137a32a099671890c2e50b3f9cd5d26dd48e367 [2023-11-29 02:04:35,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:04:35,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:04:35,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:04:35,423 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:04:35,423 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:04:35,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2023-11-29 02:04:38,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:04:38,381 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:04:38,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2023-11-29 02:04:38,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/data/c945fc428/f4e94a99f0b24e81a056b84ce919b3d4/FLAG46be6028e [2023-11-29 02:04:38,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/data/c945fc428/f4e94a99f0b24e81a056b84ce919b3d4 [2023-11-29 02:04:38,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:04:38,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:04:38,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:04:38,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:04:38,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:04:38,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:04:38" (1/1) ... [2023-11-29 02:04:38,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2036e5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38, skipping insertion in model container [2023-11-29 02:04:38,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:04:38" (1/1) ... [2023-11-29 02:04:38,434 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:04:38,582 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c[1210,1223] [2023-11-29 02:04:38,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:04:38,596 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:04:38,615 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c[1210,1223] [2023-11-29 02:04:38,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:04:38,632 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:04:38,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38 WrapperNode [2023-11-29 02:04:38,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:04:38,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:04:38,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:04:38,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:04:38,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38" (1/1) ... [2023-11-29 02:04:38,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38" (1/1) ... [2023-11-29 02:04:38,667 INFO L138 Inliner]: procedures = 19, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-29 02:04:38,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:04:38,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:04:38,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:04:38,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:04:38,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38" (1/1) ... [2023-11-29 02:04:38,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38" (1/1) ... [2023-11-29 02:04:38,691 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38" (1/1) ... [2023-11-29 02:04:38,705 INFO L175 MemorySlicer]: Split 9 memory accesses to 4 slices as follows [2, 2, 3, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 4 writes are split as follows [0, 1, 2, 1]. [2023-11-29 02:04:38,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38" (1/1) ... [2023-11-29 02:04:38,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38" (1/1) ... [2023-11-29 02:04:38,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38" (1/1) ... [2023-11-29 02:04:38,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38" (1/1) ... [2023-11-29 02:04:38,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38" (1/1) ... [2023-11-29 02:04:38,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38" (1/1) ... [2023-11-29 02:04:38,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:04:38,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:04:38,731 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:04:38,731 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:04:38,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38" (1/1) ... [2023-11-29 02:04:38,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:04:38,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:04:38,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:04:38,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:04:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:04:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-29 02:04:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-29 02:04:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-29 02:04:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-29 02:04:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-29 02:04:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-29 02:04:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-29 02:04:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-29 02:04:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:04:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 02:04:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 02:04:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 02:04:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:04:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 02:04:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 02:04:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 02:04:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 02:04:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:04:38,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:04:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 02:04:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 02:04:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 02:04:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 02:04:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:04:38,896 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:04:38,898 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:04:39,059 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:04:39,088 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:04:39,088 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 02:04:39,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:04:39 BoogieIcfgContainer [2023-11-29 02:04:39,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:04:39,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:04:39,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:04:39,094 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:04:39,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:04:38" (1/3) ... [2023-11-29 02:04:39,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db68e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:04:39, skipping insertion in model container [2023-11-29 02:04:39,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:04:38" (2/3) ... [2023-11-29 02:04:39,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db68e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:04:39, skipping insertion in model container [2023-11-29 02:04:39,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:04:39" (3/3) ... [2023-11-29 02:04:39,097 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2023-11-29 02:04:39,112 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:04:39,113 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:04:39,152 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:04:39,158 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1ffc68b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:04:39,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:04:39,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:39,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 02:04:39,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:04:39,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:04:39,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:04:39,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:04:39,173 INFO L85 PathProgramCache]: Analyzing trace with hash -445275560, now seen corresponding path program 1 times [2023-11-29 02:04:39,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:04:39,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399790491] [2023-11-29 02:04:39,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:04:39,183 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:04:39,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:04:39,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 02:04:39,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 02:04:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:39,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:04:39,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:04:39,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:04:39,294 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:04:39,295 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:04:39,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399790491] [2023-11-29 02:04:39,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399790491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:04:39,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:04:39,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:04:39,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322406733] [2023-11-29 02:04:39,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:04:39,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:04:39,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:04:39,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:04:39,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:04:39,330 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:39,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:04:39,372 INFO L93 Difference]: Finished difference Result 29 states and 43 transitions. [2023-11-29 02:04:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:04:39,374 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-29 02:04:39,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:04:39,380 INFO L225 Difference]: With dead ends: 29 [2023-11-29 02:04:39,380 INFO L226 Difference]: Without dead ends: 13 [2023-11-29 02:04:39,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:04:39,385 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:04:39,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:04:39,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-29 02:04:39,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-29 02:04:39,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:39,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-11-29 02:04:39,410 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 7 [2023-11-29 02:04:39,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:04:39,410 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-11-29 02:04:39,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:39,410 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-11-29 02:04:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 02:04:39,411 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:04:39,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:04:39,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 02:04:39,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:04:39,614 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:04:39,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:04:39,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1390444885, now seen corresponding path program 1 times [2023-11-29 02:04:39,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:04:39,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551268145] [2023-11-29 02:04:39,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:04:39,616 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:04:39,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:04:39,618 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 02:04:39,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 02:04:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:39,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 02:04:39,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:04:39,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:04:39,880 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:04:39,880 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:04:39,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1551268145] [2023-11-29 02:04:39,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1551268145] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:04:39,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:04:39,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:04:39,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788763490] [2023-11-29 02:04:39,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:04:39,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:04:39,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:04:39,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:04:39,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:04:39,884 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:39,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:04:39,943 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2023-11-29 02:04:39,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:04:39,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-29 02:04:39,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:04:39,944 INFO L225 Difference]: With dead ends: 16 [2023-11-29 02:04:39,944 INFO L226 Difference]: Without dead ends: 13 [2023-11-29 02:04:39,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:04:39,946 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:04:39,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 17 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:04:39,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-29 02:04:39,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-29 02:04:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:39,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2023-11-29 02:04:39,951 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 9 [2023-11-29 02:04:39,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:04:39,951 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2023-11-29 02:04:39,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2023-11-29 02:04:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 02:04:39,952 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:04:39,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:04:39,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 02:04:40,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:04:40,156 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:04:40,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:04:40,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1576215160, now seen corresponding path program 1 times [2023-11-29 02:04:40,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:04:40,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179279302] [2023-11-29 02:04:40,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:04:40,157 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:04:40,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:04:40,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 02:04:40,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 02:04:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:04:40,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 02:04:40,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:04:40,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2023-11-29 02:04:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:04:40,678 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:04:40,678 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:04:40,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [179279302] [2023-11-29 02:04:40,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [179279302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:04:40,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:04:40,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:04:40,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937178888] [2023-11-29 02:04:40,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:04:40,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:04:40,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:04:40,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:04:40,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:04:40,681 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:41,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:04:41,023 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2023-11-29 02:04:41,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:04:41,024 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-29 02:04:41,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:04:41,024 INFO L225 Difference]: With dead ends: 13 [2023-11-29 02:04:41,024 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 02:04:41,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:04:41,026 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 16 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:04:41,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 13 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:04:41,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 02:04:41,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 02:04:41,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:41,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 02:04:41,028 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2023-11-29 02:04:41,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:04:41,028 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:04:41,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:04:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:04:41,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 02:04:41,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:04:41,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 02:04:41,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 02:04:41,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 02:04:41,295 INFO L899 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2023-11-29 02:04:41,295 INFO L895 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (v_arrayElimCell_1 (_ BitVec 32))) (and (= |ULTIMATE.start_main_~res~0#1| (let ((.cse0 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2147483647 32)) v_arrayElimCell_1))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))))) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (v_arrayElimCell_1 (_ BitVec 32))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))) (= |ULTIMATE.start___signbit_double_~x#1| (let ((.cse1 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2147483647 32)) v_arrayElimCell_1))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))))) |ULTIMATE.start_main_#t~short9#1|) [2023-11-29 02:04:41,295 INFO L899 garLoopResultBuilder]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2023-11-29 02:04:41,296 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 43 58) no Hoare annotation was computed. [2023-11-29 02:04:41,296 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-29 02:04:41,296 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-29 02:04:41,296 INFO L899 garLoopResultBuilder]: For program point L53-2(lines 53 56) no Hoare annotation was computed. [2023-11-29 02:04:41,296 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 02:04:41,296 INFO L899 garLoopResultBuilder]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2023-11-29 02:04:41,297 INFO L895 garLoopResultBuilder]: At program point L29-2(lines 29 33) the Hoare annotation is: (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_~x#1|) [2023-11-29 02:04:41,297 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-29 02:04:41,297 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 02:04:41,297 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 39) no Hoare annotation was computed. [2023-11-29 02:04:41,297 INFO L895 garLoopResultBuilder]: At program point L34-1(lines 34 39) the Hoare annotation is: (and (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_~x#1|) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) |ULTIMATE.start_fabs_double_~high~0#1|)))) [2023-11-29 02:04:41,297 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2023-11-29 02:04:41,301 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 02:04:41,303 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:04:41,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_arrayElimCell_1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) ++ v_arrayElimCell_1)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) ++ v_arrayElimCell_1)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) ++ v_arrayElimCell_1)[51:0]) && ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated [2023-11-29 02:04:41,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_arrayElimCell_1 : bv32 :: ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && ~x == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) ++ v_arrayElimCell_1)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) ++ v_arrayElimCell_1)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) ++ v_arrayElimCell_1)[51:0])) could not be translated [2023-11-29 02:04:41,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated [2023-11-29 02:04:41,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-29 02:04:41,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && v_skolemized_q#valueAsBitvector_14[63:32] == ~high~0) could not be translated [2023-11-29 02:04:41,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-29 02:04:41,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:04:41 BoogieIcfgContainer [2023-11-29 02:04:41,316 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:04:41,317 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:04:41,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:04:41,317 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:04:41,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:04:39" (3/4) ... [2023-11-29 02:04:41,319 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:04:41,327 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-29 02:04:41,327 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 02:04:41,327 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 02:04:41,328 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:04:41,391 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:04:41,391 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:04:41,391 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:04:41,392 INFO L158 Benchmark]: Toolchain (without parser) took 2986.83ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 44.2MB in the beginning and 76.0MB in the end (delta: -31.8MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2023-11-29 02:04:41,392 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:04:41,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.63ms. Allocated memory is still 69.2MB. Free memory was 44.0MB in the beginning and 32.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 02:04:41,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.36ms. Allocated memory is still 69.2MB. Free memory was 32.5MB in the beginning and 30.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:04:41,394 INFO L158 Benchmark]: Boogie Preprocessor took 61.76ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 30.9MB in the beginning and 85.3MB in the end (delta: -54.5MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-11-29 02:04:41,394 INFO L158 Benchmark]: RCFGBuilder took 358.81ms. Allocated memory is still 107.0MB. Free memory was 85.3MB in the beginning and 70.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 02:04:41,394 INFO L158 Benchmark]: TraceAbstraction took 2224.50ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 80.2MB in the end (delta: -9.9MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-11-29 02:04:41,395 INFO L158 Benchmark]: Witness Printer took 74.73ms. Allocated memory is still 107.0MB. Free memory was 80.2MB in the beginning and 76.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:04:41,397 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.63ms. Allocated memory is still 69.2MB. Free memory was 44.0MB in the beginning and 32.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.36ms. Allocated memory is still 69.2MB. Free memory was 32.5MB in the beginning and 30.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.76ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 30.9MB in the beginning and 85.3MB in the end (delta: -54.5MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * RCFGBuilder took 358.81ms. Allocated memory is still 107.0MB. Free memory was 85.3MB in the beginning and 70.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2224.50ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 80.2MB in the end (delta: -9.9MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Witness Printer took 74.73ms. Allocated memory is still 107.0MB. Free memory was 80.2MB in the beginning and 76.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_arrayElimCell_1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) ++ v_arrayElimCell_1)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) ++ v_arrayElimCell_1)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) ++ v_arrayElimCell_1)[51:0]) && ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_arrayElimCell_1 : bv32 :: ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && ~x == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) ++ v_arrayElimCell_1)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) ++ v_arrayElimCell_1)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) ++ v_arrayElimCell_1)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && v_skolemized_q#valueAsBitvector_14[63:32] == ~high~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 20 mSDtfsCounter, 55 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 94 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 10 QuantifiedInterpolants, 321 SizeOfPredicates, 20 NumberOfNonLiveVariables, 149 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-29 02:04:41,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e146257-cc11-4129-8cd7-74d5c729f101/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE