./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --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 e0ade1ef6f39670f85f34fd118229c96ac1c225bb515b821a13b4050f3a28ad6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:34:31,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:34:31,146 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 00:34:31,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:34:31,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:34:31,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:34:31,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:34:31,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:34:31,190 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:34:31,190 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:34:31,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:34:31,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:34:31,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:34:31,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:34:31,194 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:34:31,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:34:31,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:34:31,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:34:31,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 00:34:31,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:34:31,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:34:31,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:34:31,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:34:31,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:34:31,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:34:31,202 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:34:31,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:34:31,202 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:34:31,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:34:31,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:34:31,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:34:31,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:34:31,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:34:31,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:34:31,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:34:31,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:34:31,205 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 00:34:31,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 00:34:31,205 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:34:31,206 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:34:31,206 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:34:31,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:34:31,208 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:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0ade1ef6f39670f85f34fd118229c96ac1c225bb515b821a13b4050f3a28ad6 [2024-10-11 00:34:31,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:34:31,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:34:31,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:34:31,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:34:31,505 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:34:31,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2024-10-11 00:34:33,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:34:33,226 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:34:33,227 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2024-10-11 00:34:33,240 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6204f7552/9792a3363b544316bd5da8096a28c189/FLAGf772b31fe [2024-10-11 00:34:33,602 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6204f7552/9792a3363b544316bd5da8096a28c189 [2024-10-11 00:34:33,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:34:33,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:34:33,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:34:33,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:34:33,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:34:33,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:33" (1/1) ... [2024-10-11 00:34:33,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d717192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33, skipping insertion in model container [2024-10-11 00:34:33,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:33" (1/1) ... [2024-10-11 00:34:33,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:34:33,869 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2024-10-11 00:34:33,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:34:33,885 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:34:33,939 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2024-10-11 00:34:33,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:34:33,991 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:34:33,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33 WrapperNode [2024-10-11 00:34:33,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:34:33,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:34:34,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:34:34,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:34:34,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33" (1/1) ... [2024-10-11 00:34:34,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33" (1/1) ... [2024-10-11 00:34:34,094 INFO L138 Inliner]: procedures = 20, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 332 [2024-10-11 00:34:34,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:34:34,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:34:34,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:34:34,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:34:34,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33" (1/1) ... [2024-10-11 00:34:34,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33" (1/1) ... [2024-10-11 00:34:34,120 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33" (1/1) ... [2024-10-11 00:34:34,145 INFO L175 MemorySlicer]: Split 60 memory accesses to 13 slices as follows [2, 3, 3, 7, 7, 2, 22, 2, 3, 2, 3, 2, 2]. 37 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 4, 4, 0, 11, 0, 0, 0, 0, 0, 0]. The 11 writes are split as follows [0, 1, 1, 0, 0, 1, 0, 1, 2, 1, 2, 1, 1]. [2024-10-11 00:34:34,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33" (1/1) ... [2024-10-11 00:34:34,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33" (1/1) ... [2024-10-11 00:34:34,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33" (1/1) ... [2024-10-11 00:34:34,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33" (1/1) ... [2024-10-11 00:34:34,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33" (1/1) ... [2024-10-11 00:34:34,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33" (1/1) ... [2024-10-11 00:34:34,206 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:34:34,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:34:34,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:34:34,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:34:34,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33" (1/1) ... [2024-10-11 00:34:34,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:34:34,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:34:34,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 00:34:34,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 00:34:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:34:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 00:34:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 00:34:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 00:34:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 00:34:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 00:34:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 00:34:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 00:34:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 00:34:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 00:34:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 00:34:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 00:34:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 00:34:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 00:34:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:34:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-11 00:34:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-11 00:34:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-11 00:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-11 00:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-11 00:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-11 00:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-11 00:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-11 00:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-11 00:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-11 00:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-11 00:34:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-11 00:34:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-11 00:34:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 00:34:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 00:34:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 00:34:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 00:34:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 00:34:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 00:34:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 00:34:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 00:34:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 00:34:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 00:34:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 00:34:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 00:34:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 00:34:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-11 00:34:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-11 00:34:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-11 00:34:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-11 00:34:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-11 00:34:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-11 00:34:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-11 00:34:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-11 00:34:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-11 00:34:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-11 00:34:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-11 00:34:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-11 00:34:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-11 00:34:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-11 00:34:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-11 00:34:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-11 00:34:34,312 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-11 00:34:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:34:34,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:34:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 00:34:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 00:34:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 00:34:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 00:34:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 00:34:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 00:34:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 00:34:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 00:34:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 00:34:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 00:34:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 00:34:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 00:34:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 00:34:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-11 00:34:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-11 00:34:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-11 00:34:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-11 00:34:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-11 00:34:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-11 00:34:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-11 00:34:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-11 00:34:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-11 00:34:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-11 00:34:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-11 00:34:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-11 00:34:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-10-11 00:34:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:34:34,493 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:34:34,495 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:34:34,986 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-10-11 00:34:34,986 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:34:35,027 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:34:35,027 INFO L314 CfgBuilder]: Removed 18 assume(true) statements. [2024-10-11 00:34:35,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:35 BoogieIcfgContainer [2024-10-11 00:34:35,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:34:35,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:34:35,031 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:34:35,034 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:34:35,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:34:33" (1/3) ... [2024-10-11 00:34:35,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e8f057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:35, skipping insertion in model container [2024-10-11 00:34:35,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:33" (2/3) ... [2024-10-11 00:34:35,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e8f057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:35, skipping insertion in model container [2024-10-11 00:34:35,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:35" (3/3) ... [2024-10-11 00:34:35,038 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681a.c [2024-10-11 00:34:35,053 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:34:35,054 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:34:35,124 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:34:35,132 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4cbe1708, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:34:35,133 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:34:35,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 106 states have (on average 1.7075471698113207) internal successors, (181), 107 states have internal predecessors, (181), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:34:35,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 00:34:35,144 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:34:35,145 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:34:35,146 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:34:35,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:34:35,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1627299632, now seen corresponding path program 1 times [2024-10-11 00:34:35,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:34:35,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211851189] [2024-10-11 00:34:35,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:34:35,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:34:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:34:35,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:34:35,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:34:35,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211851189] [2024-10-11 00:34:35,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211851189] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:34:35,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:34:35,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:34:35,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920240436] [2024-10-11 00:34:35,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:34:35,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:34:35,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:34:35,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:34:35,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:34:35,401 INFO L87 Difference]: Start difference. First operand has 114 states, 106 states have (on average 1.7075471698113207) internal successors, (181), 107 states have internal predecessors, (181), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 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) [2024-10-11 00:34:35,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:34:35,466 INFO L93 Difference]: Finished difference Result 227 states and 381 transitions. [2024-10-11 00:34:35,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:34:35,468 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 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 [2024-10-11 00:34:35,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:34:35,477 INFO L225 Difference]: With dead ends: 227 [2024-10-11 00:34:35,477 INFO L226 Difference]: Without dead ends: 112 [2024-10-11 00:34:35,482 INFO L431 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 [2024-10-11 00:34:35,486 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:34:35,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:34:35,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-11 00:34:35,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-10-11 00:34:35,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:34:35,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 168 transitions. [2024-10-11 00:34:35,542 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 168 transitions. Word has length 14 [2024-10-11 00:34:35,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:34:35,544 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 168 transitions. [2024-10-11 00:34:35,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 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) [2024-10-11 00:34:35,545 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 168 transitions. [2024-10-11 00:34:35,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 00:34:35,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:34:35,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:34:35,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 00:34:35,546 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:34:35,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:34:35,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1254886361, now seen corresponding path program 1 times [2024-10-11 00:34:35,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:34:35,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032162922] [2024-10-11 00:34:35,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:34:35,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:34:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:34:35,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:34:35,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:34:35,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032162922] [2024-10-11 00:34:35,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032162922] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:34:35,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:34:35,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 00:34:35,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641472188] [2024-10-11 00:34:35,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:34:35,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 00:34:35,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:34:35,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 00:34:35,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 00:34:35,962 INFO L87 Difference]: Start difference. First operand 112 states and 168 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-11 00:34:36,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:34:36,041 INFO L93 Difference]: Finished difference Result 204 states and 308 transitions. [2024-10-11 00:34:36,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 00:34:36,042 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2024-10-11 00:34:36,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:34:36,044 INFO L225 Difference]: With dead ends: 204 [2024-10-11 00:34:36,045 INFO L226 Difference]: Without dead ends: 114 [2024-10-11 00:34:36,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 00:34:36,048 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 00:34:36,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 466 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 00:34:36,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-11 00:34:36,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-10-11 00:34:36,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 107 states have (on average 1.514018691588785) internal successors, (162), 107 states have internal predecessors, (162), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:34:36,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 170 transitions. [2024-10-11 00:34:36,070 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 170 transitions. Word has length 16 [2024-10-11 00:34:36,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:34:36,070 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 170 transitions. [2024-10-11 00:34:36,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-11 00:34:36,070 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 170 transitions. [2024-10-11 00:34:36,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 00:34:36,071 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:34:36,071 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:34:36,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 00:34:36,071 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:34:36,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:34:36,072 INFO L85 PathProgramCache]: Analyzing trace with hash 842036774, now seen corresponding path program 1 times [2024-10-11 00:34:36,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:34:36,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216565899] [2024-10-11 00:34:36,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:34:36,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:34:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:34:36,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 00:34:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:34:36,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 00:34:36,230 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 00:34:36,231 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 00:34:36,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 00:34:36,236 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-11 00:34:36,268 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionWithContext(CACSL2BoogieBacktranslator.java:936) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:941) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionForProgramState(CACSL2BoogieBacktranslator.java:930) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:613) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:593) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:267) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:236) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:223) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateProgramExecution(BacktranslationService.java:72) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.(UnprovableResult.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportUnproveableResult(CegarLoopResultReporter.java:178) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCounterexampleResult(CegarLoopResultReporter.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCegarLoopResult(CegarLoopResultReporter.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:323) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-11 00:34:36,274 INFO L158 Benchmark]: Toolchain (without parser) took 2668.03ms. Allocated memory is still 188.7MB. Free memory was 119.0MB in the beginning and 128.3MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:34:36,275 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 188.7MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:34:36,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.36ms. Allocated memory is still 188.7MB. Free memory was 118.8MB in the beginning and 158.9MB in the end (delta: -40.1MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-10-11 00:34:36,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.17ms. Allocated memory is still 188.7MB. Free memory was 158.9MB in the beginning and 156.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 00:34:36,275 INFO L158 Benchmark]: Boogie Preprocessor took 111.28ms. Allocated memory is still 188.7MB. Free memory was 156.3MB in the beginning and 151.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 00:34:36,276 INFO L158 Benchmark]: RCFGBuilder took 820.42ms. Allocated memory is still 188.7MB. Free memory was 151.0MB in the beginning and 108.1MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-10-11 00:34:36,276 INFO L158 Benchmark]: TraceAbstraction took 1242.65ms. Allocated memory is still 188.7MB. Free memory was 107.9MB in the beginning and 128.3MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:34:36,281 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 188.7MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.36ms. Allocated memory is still 188.7MB. Free memory was 118.8MB in the beginning and 158.9MB in the end (delta: -40.1MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.17ms. Allocated memory is still 188.7MB. Free memory was 158.9MB in the beginning and 156.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.28ms. Allocated memory is still 188.7MB. Free memory was 156.3MB in the beginning and 151.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 820.42ms. Allocated memory is still 188.7MB. Free memory was 151.0MB in the beginning and 108.1MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1242.65ms. Allocated memory is still 188.7MB. Free memory was 107.9MB in the beginning and 128.3MB in the end (delta: -20.4MB). 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 - ExceptionOrErrorResult: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it.: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-11 00:34:36,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --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 e0ade1ef6f39670f85f34fd118229c96ac1c225bb515b821a13b4050f3a28ad6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:34:38,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:34:38,822 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 00:34:38,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:34:38,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:34:38,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:34:38,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:34:38,888 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:34:38,889 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:34:38,890 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:34:38,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:34:38,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:34:38,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:34:38,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:34:38,892 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:34:38,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:34:38,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:34:38,893 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:34:38,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:34:38,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:34:38,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:34:38,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:34:38,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:34:38,900 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 00:34:38,900 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 00:34:38,900 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:34:38,901 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 00:34:38,901 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:34:38,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:34:38,901 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:34:38,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:34:38,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:34:38,902 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:34:38,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:34:38,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:34:38,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:34:38,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:34:38,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:34:38,908 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 00:34:38,909 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 00:34:38,909 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:34:38,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:34:38,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:34:38,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:34:38,910 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 00:34:38,911 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:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0ade1ef6f39670f85f34fd118229c96ac1c225bb515b821a13b4050f3a28ad6 [2024-10-11 00:34:39,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:34:39,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:34:39,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:34:39,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:34:39,327 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:34:39,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2024-10-11 00:34:40,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:34:41,168 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:34:41,168 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2024-10-11 00:34:41,181 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/53a0fea0e/641849dd8084476083b38434fa8f03a9/FLAG5a689b49d [2024-10-11 00:34:41,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/53a0fea0e/641849dd8084476083b38434fa8f03a9 [2024-10-11 00:34:41,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:34:41,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:34:41,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:34:41,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:34:41,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:34:41,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:41" (1/1) ... [2024-10-11 00:34:41,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f71a41d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:41, skipping insertion in model container [2024-10-11 00:34:41,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:41" (1/1) ... [2024-10-11 00:34:41,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:34:41,902 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2024-10-11 00:34:41,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:34:41,934 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:34:42,006 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2024-10-11 00:34:42,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:34:42,042 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:34:42,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:42 WrapperNode [2024-10-11 00:34:42,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:34:42,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:34:42,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:34:42,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:34:42,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:42" (1/1) ... [2024-10-11 00:34:42,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:42" (1/1) ... [2024-10-11 00:34:42,103 INFO L138 Inliner]: procedures = 23, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 248 [2024-10-11 00:34:42,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:34:42,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:34:42,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:34:42,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:34:42,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:42" (1/1) ... [2024-10-11 00:34:42,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:42" (1/1) ... [2024-10-11 00:34:42,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:42" (1/1) ... [2024-10-11 00:34:42,173 INFO L175 MemorySlicer]: Split 60 memory accesses to 13 slices as follows [2, 2, 2, 7, 7, 22, 2, 3, 2, 3, 3, 2, 3]. 37 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 4, 4, 11, 0, 0, 0, 0, 0, 0, 0]. The 11 writes are split as follows [0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 2, 1, 2]. [2024-10-11 00:34:42,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:42" (1/1) ... [2024-10-11 00:34:42,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:42" (1/1) ... [2024-10-11 00:34:42,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:42" (1/1) ... [2024-10-11 00:34:42,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:42" (1/1) ... [2024-10-11 00:34:42,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:42" (1/1) ... [2024-10-11 00:34:42,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:42" (1/1) ... [2024-10-11 00:34:42,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:34:42,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:34:42,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:34:42,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:34:42,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:42" (1/1) ... [2024-10-11 00:34:42,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:34:42,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:34:42,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 00:34:42,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 00:34:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:34:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-11 00:34:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-11 00:34:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-11 00:34:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-11 00:34:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-11 00:34:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-11 00:34:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-11 00:34:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-11 00:34:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-11 00:34:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-11 00:34:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-11 00:34:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-11 00:34:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-10-11 00:34:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-11 00:34:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-11 00:34:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-11 00:34:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-11 00:34:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-11 00:34:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-11 00:34:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-11 00:34:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-11 00:34:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-11 00:34:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-11 00:34:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-11 00:34:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-11 00:34:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-10-11 00:34:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 00:34:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-11 00:34:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-11 00:34:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-11 00:34:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-11 00:34:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-11 00:34:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-11 00:34:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-11 00:34:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-11 00:34:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-11 00:34:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-11 00:34:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-11 00:34:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-10-11 00:34:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:34:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-11 00:34:42,400 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-11 00:34:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-11 00:34:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-11 00:34:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-11 00:34:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-11 00:34:42,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-11 00:34:42,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-11 00:34:42,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-11 00:34:42,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-11 00:34:42,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-11 00:34:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-11 00:34:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-11 00:34:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-11 00:34:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-10-11 00:34:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-11 00:34:42,403 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-11 00:34:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-11 00:34:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-11 00:34:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-11 00:34:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-11 00:34:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-11 00:34:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-11 00:34:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-11 00:34:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-11 00:34:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-11 00:34:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-11 00:34:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-11 00:34:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-11 00:34:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-10-11 00:34:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:34:42,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:34:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-11 00:34:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-11 00:34:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-11 00:34:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-11 00:34:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-11 00:34:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-11 00:34:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-11 00:34:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-11 00:34:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-11 00:34:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-11 00:34:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-11 00:34:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-11 00:34:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-10-11 00:34:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:34:42,585 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:34:42,588 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:35:28,239 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-10-11 00:35:28,239 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:35:28,303 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:35:28,303 INFO L314 CfgBuilder]: Removed 18 assume(true) statements. [2024-10-11 00:35:28,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:28 BoogieIcfgContainer [2024-10-11 00:35:28,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:35:28,310 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:35:28,310 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:35:28,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:35:28,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:34:41" (1/3) ... [2024-10-11 00:35:28,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e833e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:28, skipping insertion in model container [2024-10-11 00:35:28,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:42" (2/3) ... [2024-10-11 00:35:28,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e833e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:28, skipping insertion in model container [2024-10-11 00:35:28,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:28" (3/3) ... [2024-10-11 00:35:28,322 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681a.c [2024-10-11 00:35:28,343 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:35:28,344 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:35:28,418 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:35:28,427 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7880f70d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:35:28,427 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:35:28,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 75 states have (on average 1.7466666666666666) internal successors, (131), 76 states have internal predecessors, (131), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:35:28,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 00:35:28,441 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:28,443 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:28,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:28,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:28,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1758068324, now seen corresponding path program 1 times [2024-10-11 00:35:28,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:28,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509299157] [2024-10-11 00:35:28,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:28,464 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:28,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:28,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 00:35:28,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 00:35:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:28,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 00:35:28,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:28,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:35:28,841 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:28,842 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:28,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509299157] [2024-10-11 00:35:28,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509299157] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:28,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:28,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:35:28,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988195251] [2024-10-11 00:35:28,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:28,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:35:28,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:28,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:35:28,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:35:28,875 INFO L87 Difference]: Start difference. First operand has 83 states, 75 states have (on average 1.7466666666666666) internal successors, (131), 76 states have internal predecessors, (131), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-10-11 00:35:29,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:29,433 INFO L93 Difference]: Finished difference Result 165 states and 281 transitions. [2024-10-11 00:35:29,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:35:29,436 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2024-10-11 00:35:29,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:29,443 INFO L225 Difference]: With dead ends: 165 [2024-10-11 00:35:29,444 INFO L226 Difference]: Without dead ends: 81 [2024-10-11 00:35:29,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:35:29,450 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:29,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 00:35:29,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-10-11 00:35:29,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-10-11 00:35:29,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 74 states have (on average 1.4864864864864864) internal successors, (110), 74 states have internal predecessors, (110), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:35:29,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 118 transitions. [2024-10-11 00:35:29,507 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 118 transitions. Word has length 10 [2024-10-11 00:35:29,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:29,508 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 118 transitions. [2024-10-11 00:35:29,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-10-11 00:35:29,508 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2024-10-11 00:35:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-11 00:35:29,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:29,509 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:29,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-11 00:35:29,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:29,710 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:29,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:29,711 INFO L85 PathProgramCache]: Analyzing trace with hash -288491725, now seen corresponding path program 1 times [2024-10-11 00:35:29,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:29,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891511653] [2024-10-11 00:35:29,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:29,712 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:29,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:29,713 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 00:35:29,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-11 00:35:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:30,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 00:35:30,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:35:37,251 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:37,251 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:37,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891511653] [2024-10-11 00:35:37,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [891511653] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:37,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:37,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 00:35:37,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242578765] [2024-10-11 00:35:37,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:37,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 00:35:37,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:37,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 00:35:37,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 00:35:37,254 INFO L87 Difference]: Start difference. First operand 81 states and 118 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:49,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:49,105 INFO L93 Difference]: Finished difference Result 147 states and 206 transitions. [2024-10-11 00:35:49,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 00:35:49,106 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-11 00:35:49,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:49,107 INFO L225 Difference]: With dead ends: 147 [2024-10-11 00:35:49,107 INFO L226 Difference]: Without dead ends: 83 [2024-10-11 00:35:49,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-10-11 00:35:49,109 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 138 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:49,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 370 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-10-11 00:35:49,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-11 00:35:49,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 70. [2024-10-11 00:35:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 64 states have (on average 1.34375) internal successors, (86), 64 states have internal predecessors, (86), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 00:35:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 92 transitions. [2024-10-11 00:35:49,121 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 92 transitions. Word has length 12 [2024-10-11 00:35:49,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:49,121 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 92 transitions. [2024-10-11 00:35:49,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:49,122 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2024-10-11 00:35:49,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-11 00:35:49,122 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:49,122 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:49,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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 [2024-10-11 00:35:49,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:49,324 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:49,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:49,324 INFO L85 PathProgramCache]: Analyzing trace with hash -554287734, now seen corresponding path program 1 times [2024-10-11 00:35:49,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:49,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105650033] [2024-10-11 00:35:49,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:49,326 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:49,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:49,327 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 00:35:49,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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 [2024-10-11 00:35:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:49,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 00:35:49,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:53,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:35:53,816 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:53,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:53,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105650033] [2024-10-11 00:35:53,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [105650033] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:53,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:53,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 00:35:53,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441537428] [2024-10-11 00:35:53,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:53,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 00:35:53,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:53,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 00:35:53,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 00:35:53,819 INFO L87 Difference]: Start difference. First operand 70 states and 92 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 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) [2024-10-11 00:35:58,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-11 00:35:59,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:59,292 INFO L93 Difference]: Finished difference Result 126 states and 165 transitions. [2024-10-11 00:35:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 00:35:59,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 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 [2024-10-11 00:35:59,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:59,302 INFO L225 Difference]: With dead ends: 126 [2024-10-11 00:35:59,302 INFO L226 Difference]: Without dead ends: 71 [2024-10-11 00:35:59,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 00:35:59,304 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 39 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:59,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 281 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-11 00:35:59,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-11 00:35:59,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2024-10-11 00:35:59,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 64 states have (on average 1.328125) internal successors, (85), 64 states have internal predecessors, (85), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 00:35:59,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 91 transitions. [2024-10-11 00:35:59,327 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 91 transitions. Word has length 15 [2024-10-11 00:35:59,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:59,328 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 91 transitions. [2024-10-11 00:35:59,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 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) [2024-10-11 00:35:59,331 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2024-10-11 00:35:59,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 00:35:59,332 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:59,332 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:59,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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 [2024-10-11 00:35:59,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:59,533 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:59,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:59,534 INFO L85 PathProgramCache]: Analyzing trace with hash -775549012, now seen corresponding path program 1 times [2024-10-11 00:35:59,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:59,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579840135] [2024-10-11 00:35:59,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:59,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:59,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:59,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 00:35:59,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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 (5)] Waiting until timeout for monitored process [2024-10-11 00:35:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:59,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 00:35:59,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:36:02,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:36:02,545 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:36:02,545 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:36:02,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1579840135] [2024-10-11 00:36:02,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1579840135] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:36:02,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:36:02,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 00:36:02,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322468984] [2024-10-11 00:36:02,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:36:02,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 00:36:02,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:36:02,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 00:36:02,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 00:36:02,547 INFO L87 Difference]: Start difference. First operand 70 states and 91 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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)