./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1131a.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_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1131a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme --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 9d7de4eae0919f71f47a70084dddfbb7e8bba2261ae33533b8e450f3643f4e28 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:02:56,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:02:56,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:02:56,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:02:56,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:02:56,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:02:56,811 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:02:56,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:02:56,813 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:02:56,818 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:02:56,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:02:56,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:02:56,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:02:56,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:02:56,822 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:02:56,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:02:56,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:02:56,823 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:02:56,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:02:56,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:02:56,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:02:56,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:02:56,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:02:56,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:02:56,826 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:02:56,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:02:56,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:02:56,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:02:56,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:02:56,829 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:02:56,830 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:02:56,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:02:56,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:02:56,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:02:56,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:02:56,831 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:02:56,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:02:56,832 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:02:56,832 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:02:56,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:02:56,832 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:02:56,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:02:56,833 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_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d7de4eae0919f71f47a70084dddfbb7e8bba2261ae33533b8e450f3643f4e28 [2023-11-26 12:02:57,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:02:57,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:02:57,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:02:57,182 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:02:57,183 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:02:57,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2023-11-26 12:03:00,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:03:00,483 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:03:00,485 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2023-11-26 12:03:00,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/data/9d6b75d65/8ecedfce27ac4464ac359bf1ae5cc087/FLAG93417bc4c [2023-11-26 12:03:00,517 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/data/9d6b75d65/8ecedfce27ac4464ac359bf1ae5cc087 [2023-11-26 12:03:00,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:03:00,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:03:00,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:00,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:03:00,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:03:00,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:00" (1/1) ... [2023-11-26 12:03:00,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36da259d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00, skipping insertion in model container [2023-11-26 12:03:00,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:00" (1/1) ... [2023-11-26 12:03:00,573 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:03:00,820 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_085594ed-bce2-4341-a6eb-1101cffcf9db/sv-benchmarks/c/float-newlib/float_req_bl_1131a.c[2945,2958] [2023-11-26 12:03:00,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:00,836 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:03:00,876 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_085594ed-bce2-4341-a6eb-1101cffcf9db/sv-benchmarks/c/float-newlib/float_req_bl_1131a.c[2945,2958] [2023-11-26 12:03:00,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:00,894 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:03:00,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00 WrapperNode [2023-11-26 12:03:00,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:00,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:00,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:03:00,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:03:00,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00" (1/1) ... [2023-11-26 12:03:00,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00" (1/1) ... [2023-11-26 12:03:00,960 INFO L138 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 265 [2023-11-26 12:03:00,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:00,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:03:00,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:03:00,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:03:00,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00" (1/1) ... [2023-11-26 12:03:00,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00" (1/1) ... [2023-11-26 12:03:00,985 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00" (1/1) ... [2023-11-26 12:03:01,005 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 5, 2, 2, 2, 2, 2]. 29 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2, 0, 0, 0, 0, 0]. The 5 writes are split as follows [0, 0, 1, 1, 1, 1, 1]. [2023-11-26 12:03:01,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00" (1/1) ... [2023-11-26 12:03:01,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00" (1/1) ... [2023-11-26 12:03:01,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00" (1/1) ... [2023-11-26 12:03:01,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00" (1/1) ... [2023-11-26 12:03:01,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00" (1/1) ... [2023-11-26 12:03:01,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00" (1/1) ... [2023-11-26 12:03:01,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:03:01,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:03:01,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:03:01,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:03:01,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00" (1/1) ... [2023-11-26 12:03:01,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:01,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:01,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:01,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:03:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:03:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:03:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:03:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:03:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 12:03:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 12:03:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 12:03:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 12:03:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:03:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:03:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:03:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:03:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 12:03:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 12:03:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 12:03:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 12:03:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-26 12:03:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-26 12:03:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-26 12:03:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-26 12:03:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-26 12:03:01,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-26 12:03:01,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-26 12:03:01,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-26 12:03:01,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-26 12:03:01,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-26 12:03:01,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-26 12:03:01,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-26 12:03:01,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-26 12:03:01,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-26 12:03:01,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:03:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:03:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:03:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:03:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 12:03:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 12:03:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 12:03:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 12:03:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 12:03:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-26 12:03:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-26 12:03:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-26 12:03:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-26 12:03:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-26 12:03:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-26 12:03:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-11-26 12:03:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:03:01,333 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:03:01,336 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:03:01,776 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:03:01,803 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:03:01,804 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-26 12:03:01,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:01 BoogieIcfgContainer [2023-11-26 12:03:01,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:03:01,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:03:01,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:03:01,811 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:03:01,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:03:00" (1/3) ... [2023-11-26 12:03:01,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ef1c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:01, skipping insertion in model container [2023-11-26 12:03:01,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:00" (2/3) ... [2023-11-26 12:03:01,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ef1c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:01, skipping insertion in model container [2023-11-26 12:03:01,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:01" (3/3) ... [2023-11-26 12:03:01,814 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131a.c [2023-11-26 12:03:01,835 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:03:01,836 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:03:01,899 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:03:01,905 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;@160fb785, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:03:01,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:03:01,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 65 states have (on average 1.7538461538461538) internal successors, (114), 66 states have internal predecessors, (114), 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) [2023-11-26 12:03:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-26 12:03:01,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:01,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:01,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:01,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:01,922 INFO L85 PathProgramCache]: Analyzing trace with hash 540715477, now seen corresponding path program 1 times [2023-11-26 12:03:01,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:01,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215153171] [2023-11-26 12:03:01,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:01,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:02,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:02,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215153171] [2023-11-26 12:03:02,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215153171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:02,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:02,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:03:02,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667897031] [2023-11-26 12:03:02,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:02,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:03:02,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:02,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:03:02,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:03:02,149 INFO L87 Difference]: Start difference. First operand has 67 states, 65 states have (on average 1.7538461538461538) internal successors, (114), 66 states have internal predecessors, (114), 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 6.5) internal successors, (13), 2 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) [2023-11-26 12:03:02,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:02,203 INFO L93 Difference]: Finished difference Result 133 states and 227 transitions. [2023-11-26 12:03:02,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:03:02,206 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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) Word has length 13 [2023-11-26 12:03:02,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:02,218 INFO L225 Difference]: With dead ends: 133 [2023-11-26 12:03:02,218 INFO L226 Difference]: Without dead ends: 64 [2023-11-26 12:03:02,222 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 [2023-11-26 12:03:02,227 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:02,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:03:02,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-26 12:03:02,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-26 12:03:02,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 63 states have internal predecessors, (93), 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) [2023-11-26 12:03:02,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2023-11-26 12:03:02,276 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 13 [2023-11-26 12:03:02,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:02,277 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2023-11-26 12:03:02,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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) [2023-11-26 12:03:02,278 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2023-11-26 12:03:02,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-26 12:03:02,279 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:02,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:02,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:03:02,280 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:02,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:02,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1755838757, now seen corresponding path program 1 times [2023-11-26 12:03:02,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:02,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783918317] [2023-11-26 12:03:02,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:02,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:02,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:02,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:02,618 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 12:03:02,620 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 12:03:02,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:03:02,627 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 12:03:02,631 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:03:02,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:03:02 BoogieIcfgContainer [2023-11-26 12:03:02,660 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:03:02,661 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:03:02,661 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:03:02,661 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:03:02,662 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:01" (3/4) ... [2023-11-26 12:03:02,664 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:03:02,665 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:03:02,666 INFO L158 Benchmark]: Toolchain (without parser) took 2141.81ms. Allocated memory is still 167.8MB. Free memory was 135.1MB in the beginning and 77.7MB in the end (delta: 57.4MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-26 12:03:02,667 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:03:02,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.80ms. Allocated memory is still 167.8MB. Free memory was 135.1MB in the beginning and 121.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 12:03:02,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.40ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 119.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:03:02,668 INFO L158 Benchmark]: Boogie Preprocessor took 77.15ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 116.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:03:02,669 INFO L158 Benchmark]: RCFGBuilder took 765.67ms. Allocated memory is still 167.8MB. Free memory was 115.6MB in the beginning and 112.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:03:02,669 INFO L158 Benchmark]: TraceAbstraction took 853.26ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 77.7MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-26 12:03:02,670 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 167.8MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:03:02,673 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.80ms. Allocated memory is still 167.8MB. Free memory was 135.1MB in the beginning and 121.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.40ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 119.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.15ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 116.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 765.67ms. Allocated memory is still 167.8MB. Free memory was 115.6MB in the beginning and 112.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 853.26ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 77.7MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 167.8MB. Free memory is still 77.7MB. 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: 137]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L128] float x = __VERIFIER_nondet_float(); [L129] float y = 1.0f / 0.0f; [L131] CALL isfinite_float(x) [L111] __int32_t ix; VAL [Zero_fmod={4:0}, \old(x)=4294967298, one_fmod=1, x=4294967298] [L113] ieee_float_shape_type gf_u; [L114] EXPR gf_u.value = (x) [L115] EXPR gf_u.word [L115] EXPR (ix) = gf_u.word [L112-L116] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [Zero_fmod={4:0}, \old(x)=4294967298, ix=-2147483648, one_fmod=1, x=4294967298] [L117] ix &= 0x7fffffff [L118] return (((ix) < 0x7f800000L)); [L131] RET isfinite_float(x) [L131] COND TRUE isfinite_float(x) [L133] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [Zero_fmod={4:0}, \old(x)=4294967298, \old(y)=4294967299, one_fmod=1, x=4294967298, y=4294967299] [L23] ieee_float_shape_type gf_u; [L24] EXPR gf_u.value = (x) [L25] EXPR gf_u.word [L25] EXPR (hx) = gf_u.word [L22-L26] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [Zero_fmod={4:0}, \old(x)=4294967298, \old(y)=4294967299, hx=0, one_fmod=1, x=4294967298, y=4294967299] [L28] ieee_float_shape_type gf_u; [L29] EXPR gf_u.value = (y) [L30] EXPR gf_u.word [L30] EXPR (hy) = gf_u.word [L27-L31] { ieee_float_shape_type gf_u; gf_u.value = (y); (hy) = gf_u.word; } VAL [Zero_fmod={4:0}, \old(x)=4294967298, \old(y)=4294967299, hx=0, hy=0, one_fmod=1, x=4294967298, y=4294967299] [L32] sx = hx & 0x80000000 VAL [Zero_fmod={4:0}, \old(x)=4294967298, \old(y)=4294967299, hx=0, hy=0, one_fmod=1, sx=0, x=4294967298, y=4294967299] [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [Zero_fmod={4:0}, \old(x)=4294967298, \old(y)=4294967299, hx=0, hy=0, one_fmod=1, sx=0, x=4294967298, y=4294967299] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, \old(x)=4294967298, \old(y)=4294967299, hx=0, hy=0, one_fmod=1, sx=0, x=4294967298, y=4294967299] [L133] RET, EXPR fmod_float(x, y) [L133] float res = fmod_float(x, y); [L136] COND TRUE res != x VAL [Zero_fmod={4:0}, one_fmod=1, res=4294967297, x=4294967298, y=4294967299] [L137] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1, res=4294967297, x=4294967298, y=4294967299] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 92 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 92 mSDtfsCounter, 5 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=67occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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 [2023-11-26 12:03:02,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1131a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme --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 9d7de4eae0919f71f47a70084dddfbb7e8bba2261ae33533b8e450f3643f4e28 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:03:05,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:03:05,459 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 12:03:05,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:03:05,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:03:05,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:03:05,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:03:05,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:03:05,537 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:03:05,539 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:03:05,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:03:05,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:03:05,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:03:05,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:03:05,542 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:03:05,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:03:05,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:03:05,544 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:03:05,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:03:05,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:03:05,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:03:05,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:03:05,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:03:05,550 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:03:05,550 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 12:03:05,551 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 12:03:05,551 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:03:05,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:03:05,552 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:03:05,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:03:05,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:03:05,553 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:03:05,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:03:05,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:05,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:03:05,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:03:05,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:03:05,556 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 12:03:05,556 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 12:03:05,557 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:03:05,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:03:05,560 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:03:05,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:03:05,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:03:05,560 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 12:03:05,561 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_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d7de4eae0919f71f47a70084dddfbb7e8bba2261ae33533b8e450f3643f4e28 [2023-11-26 12:03:05,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:03:05,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:03:05,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:03:05,944 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:03:05,944 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:03:05,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2023-11-26 12:03:09,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:03:09,225 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:03:09,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2023-11-26 12:03:09,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/data/6461b37f8/a65f00e20430467ca2bc7e3d3aa213c6/FLAG971d06356 [2023-11-26 12:03:09,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/data/6461b37f8/a65f00e20430467ca2bc7e3d3aa213c6 [2023-11-26 12:03:09,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:03:09,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:03:09,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:09,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:03:09,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:03:09,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e576f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09, skipping insertion in model container [2023-11-26 12:03:09,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:03:09,505 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_085594ed-bce2-4341-a6eb-1101cffcf9db/sv-benchmarks/c/float-newlib/float_req_bl_1131a.c[2945,2958] [2023-11-26 12:03:09,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:09,526 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:03:09,568 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_085594ed-bce2-4341-a6eb-1101cffcf9db/sv-benchmarks/c/float-newlib/float_req_bl_1131a.c[2945,2958] [2023-11-26 12:03:09,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:09,588 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:03:09,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09 WrapperNode [2023-11-26 12:03:09,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:09,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:09,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:03:09,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:03:09,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,641 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2023-11-26 12:03:09,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:09,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:03:09,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:03:09,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:03:09,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,660 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,678 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 2, 2, 2, 5, 2, 2]. 29 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 0, 2, 0, 0]. The 5 writes are split as follows [0, 1, 1, 1, 0, 1, 1]. [2023-11-26 12:03:09,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:03:09,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:03:09,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:03:09,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:03:09,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:09,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:09,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:09,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:03:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:03:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-26 12:03:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-26 12:03:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-26 12:03:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-26 12:03:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-26 12:03:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-11-26 12:03:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-11-26 12:03:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 12:03:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 12:03:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-26 12:03:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-26 12:03:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-26 12:03:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-26 12:03:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-26 12:03:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:03:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-26 12:03:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-26 12:03:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-26 12:03:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-26 12:03:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-26 12:03:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-26 12:03:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-11-26 12:03:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-26 12:03:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-26 12:03:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-26 12:03:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-26 12:03:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-26 12:03:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-26 12:03:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-26 12:03:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:03:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:03:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-26 12:03:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-26 12:03:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-26 12:03:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-26 12:03:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-26 12:03:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-26 12:03:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-11-26 12:03:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-26 12:03:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-26 12:03:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-26 12:03:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-26 12:03:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-26 12:03:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-26 12:03:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-26 12:03:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:03:10,025 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:03:10,027 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:03:13,642 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:03:13,678 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:03:13,678 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-26 12:03:13,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:13 BoogieIcfgContainer [2023-11-26 12:03:13,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:03:13,682 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:03:13,682 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:03:13,686 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:03:13,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:03:09" (1/3) ... [2023-11-26 12:03:13,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76048882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:13, skipping insertion in model container [2023-11-26 12:03:13,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (2/3) ... [2023-11-26 12:03:13,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76048882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:13, skipping insertion in model container [2023-11-26 12:03:13,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:13" (3/3) ... [2023-11-26 12:03:13,690 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131a.c [2023-11-26 12:03:13,711 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:03:13,711 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:03:13,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:03:13,769 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;@66e74b7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:03:13,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:03:13,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.825) internal successors, (73), 41 states have internal predecessors, (73), 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) [2023-11-26 12:03:13,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-26 12:03:13,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:13,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:13,780 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:13,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:13,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1164250482, now seen corresponding path program 1 times [2023-11-26 12:03:13,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:03:13,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058862789] [2023-11-26 12:03:13,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:13,805 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 [2023-11-26 12:03:13,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:03:13,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:03:13,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:03:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:14,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:03:14,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:14,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:14,290 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:14,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:03:14,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058862789] [2023-11-26 12:03:14,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2058862789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:14,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:14,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:03:14,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700987955] [2023-11-26 12:03:14,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:14,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:03:14,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:03:14,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:03:14,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:03:14,338 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.825) internal successors, (73), 41 states have internal predecessors, (73), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2023-11-26 12:03:14,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:14,390 INFO L93 Difference]: Finished difference Result 83 states and 145 transitions. [2023-11-26 12:03:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:03:14,393 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2023-11-26 12:03:14,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:14,404 INFO L225 Difference]: With dead ends: 83 [2023-11-26 12:03:14,404 INFO L226 Difference]: Without dead ends: 39 [2023-11-26 12:03:14,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:03:14,411 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:14,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:03:14,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-26 12:03:14,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-26 12:03:14,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 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) [2023-11-26 12:03:14,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2023-11-26 12:03:14,451 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 11 [2023-11-26 12:03:14,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:14,451 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2023-11-26 12:03:14,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2023-11-26 12:03:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2023-11-26 12:03:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-26 12:03:14,453 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:14,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:14,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:14,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:03:14,662 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:14,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:14,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1997828190, now seen corresponding path program 1 times [2023-11-26 12:03:14,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:03:14,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130497568] [2023-11-26 12:03:14,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:14,664 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 [2023-11-26 12:03:14,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:03:14,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:03:14,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:03:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:15,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-26 12:03:15,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:15,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 12:03:15,262 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 29 treesize of output 13 [2023-11-26 12:03:15,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 12:03:16,003 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 34 treesize of output 18 [2023-11-26 12:03:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:16,507 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:16,507 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:03:16,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130497568] [2023-11-26 12:03:16,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130497568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:16,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:16,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 12:03:16,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002830994] [2023-11-26 12:03:16,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:16,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 12:03:16,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:03:16,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 12:03:16,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-26 12:03:16,511 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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) [2023-11-26 12:03:17,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:17,529 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2023-11-26 12:03:17,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 12:03:17,530 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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 14 [2023-11-26 12:03:17,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:17,531 INFO L225 Difference]: With dead ends: 43 [2023-11-26 12:03:17,531 INFO L226 Difference]: Without dead ends: 16 [2023-11-26 12:03:17,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-26 12:03:17,533 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 17 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:17,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 30 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 12:03:17,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-26 12:03:17,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-26 12:03:17,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 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) [2023-11-26 12:03:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2023-11-26 12:03:17,538 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2023-11-26 12:03:17,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:17,539 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2023-11-26 12:03:17,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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) [2023-11-26 12:03:17,539 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2023-11-26 12:03:17,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-26 12:03:17,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:17,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:17,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:17,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:03:17,751 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:17,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:17,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1800805330, now seen corresponding path program 1 times [2023-11-26 12:03:17,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:03:17,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397283823] [2023-11-26 12:03:17,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:17,753 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 [2023-11-26 12:03:17,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:03:17,754 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:03:17,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:03:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:17,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-26 12:03:17,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:18,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:18,682 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:18,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:03:18,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397283823] [2023-11-26 12:03:18,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397283823] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:18,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:18,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:03:18,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363646760] [2023-11-26 12:03:18,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:18,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:03:18,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:03:18,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:03:18,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:03:18,686 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 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) [2023-11-26 12:03:19,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:19,166 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2023-11-26 12:03:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 12:03:19,166 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 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 15 [2023-11-26 12:03:19,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:19,167 INFO L225 Difference]: With dead ends: 16 [2023-11-26 12:03:19,167 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 12:03:19,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:03:19,169 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:19,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 35 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 12:03:19,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 12:03:19,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 12:03:19,171 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) [2023-11-26 12:03:19,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 12:03:19,171 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2023-11-26 12:03:19,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:19,171 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:03:19,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 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) [2023-11-26 12:03:19,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 12:03:19,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 12:03:19,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 12:03:19,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:19,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:03:19,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 12:03:19,634 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 31) no Hoare annotation was computed. [2023-11-26 12:03:19,634 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2023-11-26 12:03:19,635 INFO L895 garLoopResultBuilder]: At program point L27-1(lines 27 31) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fmod_float_~y#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= |ULTIMATE.start_fmod_float_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) (fp ((_ extract 31 31) |ULTIMATE.start_fmod_float_~hx~0#1|) ((_ extract 30 23) |ULTIMATE.start_fmod_float_~hx~0#1|) ((_ extract 22 0) |ULTIMATE.start_fmod_float_~hx~0#1|))) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32)))) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) |ULTIMATE.start_fmod_float_~x#1|) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32))))) [2023-11-26 12:03:19,635 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2023-11-26 12:03:19,635 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 121 143) no Hoare annotation was computed. [2023-11-26 12:03:19,636 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2023-11-26 12:03:19,636 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2023-11-26 12:03:19,636 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2023-11-26 12:03:19,636 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 80) no Hoare annotation was computed. [2023-11-26 12:03:19,636 INFO L899 garLoopResultBuilder]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2023-11-26 12:03:19,637 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2023-11-26 12:03:19,637 INFO L899 garLoopResultBuilder]: For program point fmod_float_returnLabel#1(lines 19 107) no Hoare annotation was computed. [2023-11-26 12:03:19,637 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2023-11-26 12:03:19,637 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 112 116) no Hoare annotation was computed. [2023-11-26 12:03:19,637 INFO L895 garLoopResultBuilder]: At program point L112-2(lines 112 116) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|)) (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~x~0#1|)) [2023-11-26 12:03:19,638 INFO L899 garLoopResultBuilder]: For program point L112-3(lines 112 116) no Hoare annotation was computed. [2023-11-26 12:03:19,638 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 12:03:19,638 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-11-26 12:03:19,638 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 39) no Hoare annotation was computed. [2023-11-26 12:03:19,638 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 105) no Hoare annotation was computed. [2023-11-26 12:03:19,638 INFO L899 garLoopResultBuilder]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2023-11-26 12:03:19,639 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fmod_float_~y#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= |ULTIMATE.start_fmod_float_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) |ULTIMATE.start_fmod_float_~x#1|) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32))))) [2023-11-26 12:03:19,639 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 73) no Hoare annotation was computed. [2023-11-26 12:03:19,639 INFO L899 garLoopResultBuilder]: For program point L48(lines 19 107) no Hoare annotation was computed. [2023-11-26 12:03:19,639 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2023-11-26 12:03:19,639 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 140) no Hoare annotation was computed. [2023-11-26 12:03:19,640 INFO L899 garLoopResultBuilder]: For program point L131-2(lines 131 140) no Hoare annotation was computed. [2023-11-26 12:03:19,640 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2023-11-26 12:03:19,640 INFO L895 garLoopResultBuilder]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2023-11-26 12:03:19,640 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2023-11-26 12:03:19,640 INFO L895 garLoopResultBuilder]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2023-11-26 12:03:19,641 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2023-11-26 12:03:19,641 INFO L895 garLoopResultBuilder]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2023-11-26 12:03:19,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 12:03:19,641 INFO L899 garLoopResultBuilder]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2023-11-26 12:03:19,641 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2023-11-26 12:03:19,641 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2023-11-26 12:03:19,642 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2023-11-26 12:03:19,642 INFO L899 garLoopResultBuilder]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2023-11-26 12:03:19,642 INFO L895 garLoopResultBuilder]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2023-11-26 12:03:19,642 INFO L899 garLoopResultBuilder]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2023-11-26 12:03:19,642 INFO L895 garLoopResultBuilder]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2023-11-26 12:03:19,646 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 12:03:19,648 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:03:19,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated [2023-11-26 12:03:19,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~x && ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32)) could not be translated [2023-11-26 12:03:19,662 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated [2023-11-26 12:03:19,663 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~fp~32(~hx~0[31:31], ~hx~0[30:23], ~hx~0[22:0]) && ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32)) could not be translated [2023-11-26 12:03:19,663 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~x && ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32)) could not be translated [2023-11-26 12:03:19,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~y~0) could not be translated [2023-11-26 12:03:19,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:03:19 BoogieIcfgContainer [2023-11-26 12:03:19,664 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:03:19,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:03:19,665 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:03:19,666 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:03:19,666 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:13" (3/4) ... [2023-11-26 12:03:19,668 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:03:19,679 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-26 12:03:19,679 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-26 12:03:19,680 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 12:03:19,680 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:03:19,839 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:03:19,839 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:03:19,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:03:19,841 INFO L158 Benchmark]: Toolchain (without parser) took 10568.73ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 62.6MB in the beginning and 81.3MB in the end (delta: -18.8MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2023-11-26 12:03:19,841 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 81.8MB. Free memory was 58.8MB in the beginning and 58.8MB in the end (delta: 51.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:03:19,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.06ms. Allocated memory is still 81.8MB. Free memory was 62.3MB in the beginning and 49.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 12:03:19,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.20ms. Allocated memory is still 81.8MB. Free memory was 48.8MB in the beginning and 46.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:03:19,842 INFO L158 Benchmark]: Boogie Preprocessor took 113.86ms. Allocated memory is still 81.8MB. Free memory was 46.8MB in the beginning and 43.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:03:19,843 INFO L158 Benchmark]: RCFGBuilder took 3922.07ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 43.2MB in the beginning and 71.4MB in the end (delta: -28.2MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-11-26 12:03:19,843 INFO L158 Benchmark]: TraceAbstraction took 5982.38ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 41.4MB in the end (delta: 29.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-26 12:03:19,844 INFO L158 Benchmark]: Witness Printer took 174.87ms. Allocated memory is still 107.0MB. Free memory was 41.4MB in the beginning and 81.3MB in the end (delta: -39.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:03:19,847 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 81.8MB. Free memory was 58.8MB in the beginning and 58.8MB in the end (delta: 51.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.06ms. Allocated memory is still 81.8MB. Free memory was 62.3MB in the beginning and 49.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.20ms. Allocated memory is still 81.8MB. Free memory was 48.8MB in the beginning and 46.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.86ms. Allocated memory is still 81.8MB. Free memory was 46.8MB in the beginning and 43.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3922.07ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 43.2MB in the beginning and 71.4MB in the end (delta: -28.2MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5982.38ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 41.4MB in the end (delta: 29.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 174.87ms. Allocated memory is still 107.0MB. Free memory was 41.4MB in the beginning and 81.3MB in the end (delta: -39.9MB). 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 currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~x && ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~fp~32(~hx~0[31:31], ~hx~0[30:23], ~hx~0[22:0]) && ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~x && ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~y~0) could not be translated * 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: 137]: 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, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 53 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 65 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 9 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 99 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 37 ConstructedInterpolants, 20 QuantifiedInterpolants, 577 SizeOfPredicates, 25 NumberOfNonLiveVariables, 198 ConjunctsInSsa, 43 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: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (x == x) RESULT: Ultimate proved your program to be correct! [2023-11-26 12:03:19,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085594ed-bce2-4341-a6eb-1101cffcf9db/bin/uautomizer-verify-VRDe98Ueme/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