./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/log_3_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/log_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4360cde805fca4bb5ca2d15d973a3fd5e612720e03062de7a6b01b6630e7f545 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:21:43,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:21:43,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:21:43,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:21:43,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:21:43,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:21:43,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:21:43,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:21:43,161 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:21:43,166 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:21:43,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:21:43,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:21:43,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:21:43,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:21:43,170 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:21:43,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:21:43,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:21:43,171 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:21:43,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:21:43,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:21:43,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:21:43,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:21:43,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:21:43,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:21:43,174 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:21:43,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:21:43,175 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:21:43,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:21:43,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:21:43,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:21:43,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:21:43,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:21:43,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:21:43,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:21:43,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:21:43,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:21:43,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:21:43,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:21:43,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:21:43,179 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:21:43,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:21:43,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:21:43,180 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_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4360cde805fca4bb5ca2d15d973a3fd5e612720e03062de7a6b01b6630e7f545 [2023-11-21 22:21:43,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:21:43,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:21:43,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:21:43,542 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:21:43,542 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:21:43,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/neural-networks/log_3_unsafe.c-amalgamation.i [2023-11-21 22:21:46,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:21:46,982 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:21:46,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/sv-benchmarks/c/neural-networks/log_3_unsafe.c-amalgamation.i [2023-11-21 22:21:47,008 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/data/bcddfb803/dcb7d5f59cc34d9b8aafc661a7ab21dc/FLAGcd7fabd8c [2023-11-21 22:21:47,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/data/bcddfb803/dcb7d5f59cc34d9b8aafc661a7ab21dc [2023-11-21 22:21:47,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:21:47,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:21:47,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:21:47,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:21:47,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:21:47,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:21:47" (1/1) ... [2023-11-21 22:21:47,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fdc8bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:47, skipping insertion in model container [2023-11-21 22:21:47,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:21:47" (1/1) ... [2023-11-21 22:21:47,134 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:21:47,382 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:21:47,794 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-21 22:21:47,796 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-21 22:21:47,797 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_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/sv-benchmarks/c/neural-networks/log_3_unsafe.c-amalgamation.i[63160,63173] [2023-11-21 22:21:47,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:21:47,811 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:21:47,828 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:21:47,860 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-21 22:21:47,861 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-21 22:21:47,862 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_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/sv-benchmarks/c/neural-networks/log_3_unsafe.c-amalgamation.i[63160,63173] [2023-11-21 22:21:47,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:21:48,020 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:21:48,021 WARN L675 CHandler]: The function __builtin_isinf_sign is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:21:48,031 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:21:48,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:48 WrapperNode [2023-11-21 22:21:48,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:21:48,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:21:48,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:21:48,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:21:48,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:48" (1/1) ... [2023-11-21 22:21:48,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:48" (1/1) ... [2023-11-21 22:21:48,093 INFO L138 Inliner]: procedures = 559, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2023-11-21 22:21:48,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:21:48,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:21:48,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:21:48,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:21:48,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:48" (1/1) ... [2023-11-21 22:21:48,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:48" (1/1) ... [2023-11-21 22:21:48,107 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:48" (1/1) ... [2023-11-21 22:21:48,116 INFO L187 HeapSplitter]: Split 9 memory accesses to 2 slices as follows [2, 7] [2023-11-21 22:21:48,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:48" (1/1) ... [2023-11-21 22:21:48,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:48" (1/1) ... [2023-11-21 22:21:48,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:48" (1/1) ... [2023-11-21 22:21:48,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:48" (1/1) ... [2023-11-21 22:21:48,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:48" (1/1) ... [2023-11-21 22:21:48,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:48" (1/1) ... [2023-11-21 22:21:48,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:21:48,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:21:48,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:21:48,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:21:48,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:48" (1/1) ... [2023-11-21 22:21:48,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:21:48,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:21:48,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:21:48,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:21:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isinf_sign [2023-11-21 22:21:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:21:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:21:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:21:48,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:21:48,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:21:48,372 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:21:48,374 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:21:48,491 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:21:48,587 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:21:48,592 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:21:48,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:48 BoogieIcfgContainer [2023-11-21 22:21:48,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:21:48,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:21:48,599 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:21:48,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:21:48,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:21:47" (1/3) ... [2023-11-21 22:21:48,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5196ee3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:21:48, skipping insertion in model container [2023-11-21 22:21:48,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:48" (2/3) ... [2023-11-21 22:21:48,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5196ee3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:21:48, skipping insertion in model container [2023-11-21 22:21:48,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:48" (3/3) ... [2023-11-21 22:21:48,606 INFO L112 eAbstractionObserver]: Analyzing ICFG log_3_unsafe.c-amalgamation.i [2023-11-21 22:21:48,626 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:21:48,627 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:21:48,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:21:48,681 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;@51005c04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:21:48,682 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:21:48,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2023-11-21 22:21:48,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 22:21:48,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:21:48,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 22:21:48,694 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:21:48,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:21:48,700 INFO L85 PathProgramCache]: Analyzing trace with hash 64003, now seen corresponding path program 1 times [2023-11-21 22:21:48,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:21:48,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012908000] [2023-11-21 22:21:48,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:21:48,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:21:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:21:48,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:21:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:21:48,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:21:48,840 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:21:48,841 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:21:48,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:21:48,848 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:21:48,851 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:21:48,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:21:48 BoogieIcfgContainer [2023-11-21 22:21:48,864 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:21:48,865 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:21:48,865 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:21:48,866 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:21:48,866 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:48" (3/4) ... [2023-11-21 22:21:48,869 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:21:48,870 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:21:48,872 INFO L158 Benchmark]: Toolchain (without parser) took 1833.93ms. Allocated memory is still 151.0MB. Free memory was 110.4MB in the beginning and 87.8MB in the end (delta: 22.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-21 22:21:48,872 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:21:48,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 989.33ms. Allocated memory is still 151.0MB. Free memory was 110.4MB in the beginning and 119.0MB in the end (delta: -8.7MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2023-11-21 22:21:48,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.75ms. Allocated memory is still 151.0MB. Free memory was 119.0MB in the beginning and 116.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:21:48,875 INFO L158 Benchmark]: Boogie Preprocessor took 35.38ms. Allocated memory is still 151.0MB. Free memory was 116.5MB in the beginning and 114.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:21:48,875 INFO L158 Benchmark]: RCFGBuilder took 465.47ms. Allocated memory is still 151.0MB. Free memory was 114.4MB in the beginning and 101.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:21:48,876 INFO L158 Benchmark]: TraceAbstraction took 266.71ms. Allocated memory is still 151.0MB. Free memory was 101.1MB in the beginning and 88.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:21:48,877 INFO L158 Benchmark]: Witness Printer took 5.38ms. Allocated memory is still 151.0MB. Free memory was 88.5MB in the beginning and 87.8MB in the end (delta: 723.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:21:48,880 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 151.0MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 989.33ms. Allocated memory is still 151.0MB. Free memory was 110.4MB in the beginning and 119.0MB in the end (delta: -8.7MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.75ms. Allocated memory is still 151.0MB. Free memory was 119.0MB in the beginning and 116.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.38ms. Allocated memory is still 151.0MB. Free memory was 116.5MB in the beginning and 114.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.47ms. Allocated memory is still 151.0MB. Free memory was 114.4MB in the beginning and 101.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 266.71ms. Allocated memory is still 151.0MB. Free memory was 101.1MB in the beginning and 88.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.38ms. Allocated memory is still 151.0MB. Free memory was 88.5MB in the beginning and 87.8MB in the end (delta: 723.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 854]: 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 854, overapproximation of someBinaryArithmeticFLOAToperation at line 848. Possible FailurePath: [L847] float x1 = __VERIFIER_nondet_float(); [L848] float x2 = x1 + 1e-2f; [L849] EXPR __builtin_isgreaterequal(x1, 0.0f) && !__builtin_isinf_sign (x1) [L849] EXPR __builtin_isgreaterequal(x1, 0.0f) && !__builtin_isinf_sign (x1) [L849] COND FALSE !(!(__builtin_isgreaterequal(x1, 0.0f) && !__builtin_isinf_sign (x1))) [L850] float y1 = logf(x1); [L851] float y2 = logf(x2); [L852] float derivative = (y2 - y1) / 1e-2f; [L853] float d1 = 1.0f / x1; [L854] COND TRUE !(__builtin_isgreaterequal(derivative, d1)) [L854] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:21:48,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/log_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4360cde805fca4bb5ca2d15d973a3fd5e612720e03062de7a6b01b6630e7f545 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:21:51,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:21:51,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:21:51,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:21:51,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:21:51,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:21:51,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:21:51,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:21:51,879 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:21:51,884 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:21:51,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:21:51,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:21:51,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:21:51,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:21:51,888 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:21:51,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:21:51,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:21:51,890 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:21:51,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:21:51,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:21:51,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:21:51,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:21:51,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:21:51,893 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:21:51,893 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:21:51,894 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:21:51,894 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:21:51,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:21:51,895 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:21:51,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:21:51,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:21:51,897 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:21:51,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:21:51,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:21:51,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:21:51,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:21:51,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:21:51,900 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:21:51,900 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:21:51,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:21:51,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:21:51,901 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:21:51,901 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:21:51,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:21:51,902 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:21:51,902 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_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4360cde805fca4bb5ca2d15d973a3fd5e612720e03062de7a6b01b6630e7f545 [2023-11-21 22:21:52,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:21:52,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:21:52,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:21:52,365 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:21:52,365 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:21:52,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/neural-networks/log_3_unsafe.c-amalgamation.i [2023-11-21 22:21:55,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:21:56,016 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:21:56,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/sv-benchmarks/c/neural-networks/log_3_unsafe.c-amalgamation.i [2023-11-21 22:21:56,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/data/d38d4f905/5070db427c084c8da879182d3ea79211/FLAG4891f0a93 [2023-11-21 22:21:56,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/data/d38d4f905/5070db427c084c8da879182d3ea79211 [2023-11-21 22:21:56,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:21:56,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:21:56,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:21:56,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:21:56,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:21:56,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:21:56" (1/1) ... [2023-11-21 22:21:56,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9a735d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56, skipping insertion in model container [2023-11-21 22:21:56,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:21:56" (1/1) ... [2023-11-21 22:21:56,133 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:21:56,391 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:21:56,728 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-21 22:21:56,729 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-21 22:21:56,731 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_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/sv-benchmarks/c/neural-networks/log_3_unsafe.c-amalgamation.i[63160,63173] [2023-11-21 22:21:56,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:21:56,750 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:21:56,770 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:21:56,804 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-21 22:21:56,805 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-21 22:21:56,807 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_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/sv-benchmarks/c/neural-networks/log_3_unsafe.c-amalgamation.i[63160,63173] [2023-11-21 22:21:56,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:21:56,955 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:21:56,956 WARN L675 CHandler]: The function __builtin_isinf_sign is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:21:56,962 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:21:56,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56 WrapperNode [2023-11-21 22:21:56,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:21:56,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:21:56,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:21:56,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:21:56,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56" (1/1) ... [2023-11-21 22:21:56,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56" (1/1) ... [2023-11-21 22:21:57,040 INFO L138 Inliner]: procedures = 560, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2023-11-21 22:21:57,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:21:57,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:21:57,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:21:57,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:21:57,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56" (1/1) ... [2023-11-21 22:21:57,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56" (1/1) ... [2023-11-21 22:21:57,055 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56" (1/1) ... [2023-11-21 22:21:57,064 INFO L187 HeapSplitter]: Split 9 memory accesses to 2 slices as follows [2, 7] [2023-11-21 22:21:57,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56" (1/1) ... [2023-11-21 22:21:57,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56" (1/1) ... [2023-11-21 22:21:57,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56" (1/1) ... [2023-11-21 22:21:57,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56" (1/1) ... [2023-11-21 22:21:57,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56" (1/1) ... [2023-11-21 22:21:57,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56" (1/1) ... [2023-11-21 22:21:57,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:21:57,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:21:57,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:21:57,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:21:57,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56" (1/1) ... [2023-11-21 22:21:57,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:21:57,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:21:57,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:21:57,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:21:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isinf_sign [2023-11-21 22:21:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:21:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-21 22:21:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:21:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:21:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:21:57,264 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:21:57,266 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:21:59,562 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:21:59,634 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:21:59,634 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:21:59,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:59 BoogieIcfgContainer [2023-11-21 22:21:59,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:21:59,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:21:59,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:21:59,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:21:59,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:21:56" (1/3) ... [2023-11-21 22:21:59,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15af1c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:21:59, skipping insertion in model container [2023-11-21 22:21:59,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:56" (2/3) ... [2023-11-21 22:21:59,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15af1c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:21:59, skipping insertion in model container [2023-11-21 22:21:59,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:59" (3/3) ... [2023-11-21 22:21:59,644 INFO L112 eAbstractionObserver]: Analyzing ICFG log_3_unsafe.c-amalgamation.i [2023-11-21 22:21:59,663 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:21:59,663 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:21:59,709 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:21:59,716 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;@51c2e38c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:21:59,716 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:21:59,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2023-11-21 22:21:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 22:21:59,726 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:21:59,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 22:21:59,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:21:59,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:21:59,733 INFO L85 PathProgramCache]: Analyzing trace with hash 64003, now seen corresponding path program 1 times [2023-11-21 22:21:59,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:21:59,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199745869] [2023-11-21 22:21:59,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:21:59,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:21:59,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:21:59,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:21:59,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 22:22:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:00,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:00,639 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-21 22:22:00,642 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:22:00,644 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:22:00,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:00,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:22:00,860 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:22:00,864 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:22:00,876 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Plusoo~32 [2023-11-21 22:22:00,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Plusoo~32 [2023-11-21 22:22:00,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Plusoo~32 [2023-11-21 22:22:00,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:22:00 BoogieIcfgContainer [2023-11-21 22:22:00,887 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:22:00,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:22:00,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:22:00,891 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:22:00,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:59" (3/4) ... [2023-11-21 22:22:00,895 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:22:00,896 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:22:00,898 INFO L158 Benchmark]: Toolchain (without parser) took 4827.16ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 49.5MB in the beginning and 64.3MB in the end (delta: -14.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-11-21 22:22:00,899 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 75.5MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:22:00,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 891.42ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 49.3MB in the beginning and 46.8MB in the end (delta: 2.5MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-11-21 22:22:00,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.03ms. Allocated memory is still 94.4MB. Free memory was 46.8MB in the beginning and 69.1MB in the end (delta: -22.3MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-11-21 22:22:00,908 INFO L158 Benchmark]: Boogie Preprocessor took 38.81ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 67.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:22:00,909 INFO L158 Benchmark]: RCFGBuilder took 2555.68ms. Allocated memory is still 94.4MB. Free memory was 67.1MB in the beginning and 52.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:22:00,910 INFO L158 Benchmark]: TraceAbstraction took 1249.40ms. Allocated memory is still 94.4MB. Free memory was 51.5MB in the beginning and 64.3MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:22:00,910 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 94.4MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:22:00,915 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 75.5MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 891.42ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 49.3MB in the beginning and 46.8MB in the end (delta: 2.5MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.03ms. Allocated memory is still 94.4MB. Free memory was 46.8MB in the beginning and 69.1MB in the end (delta: -22.3MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.81ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 67.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2555.68ms. Allocated memory is still 94.4MB. Free memory was 67.1MB in the beginning and 52.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1249.40ms. Allocated memory is still 94.4MB. Free memory was 51.5MB in the beginning and 64.3MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 94.4MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Plusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Plusoo~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Plusoo~32 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 854]: 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 logf at line 850. Possible FailurePath: [L847] float x1 = __VERIFIER_nondet_float(); [L848] float x2 = x1 + 1e-2f; [L849] EXPR __builtin_isgreaterequal(x1, 0.0f) && !__builtin_isinf_sign (x1) [L849] EXPR __builtin_isgreaterequal(x1, 0.0f) && !__builtin_isinf_sign (x1) [L849] COND FALSE !(!(__builtin_isgreaterequal(x1, 0.0f) && !__builtin_isinf_sign (x1))) [L850] float y1 = logf(x1); [L851] float y2 = logf(x2); [L852] float derivative = (y2 - y1) / 1e-2f; [L853] float d1 = 1.0f / x1; VAL [derivative=0.0, x1=0.0, x2=0.009999999776482582, y1=0.0, y2=0.0] [L854] COND TRUE !(__builtin_isgreaterequal(derivative, d1)) VAL [derivative=0.0, x1=0.0, x2=0.009999999776482582, y1=0.0, y2=0.0] [L854] reach_error() VAL [derivative=0.0, x1=0.0, x2=0.009999999776482582, y1=0.0, y2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:22:00,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5de7bc-0c58-453e-898f-80a6e7ba6f2b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample