./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_0682a.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_0682a.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 77640868601be41246aa819b7e4e87995230298ea897561367d6e56014f366ff --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:34:52,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:34:52,970 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 00:34:52,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:34:52,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:34:53,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:34:53,006 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:34:53,006 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:34:53,007 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:34:53,010 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:34:53,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:34:53,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:34:53,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:34:53,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:34:53,011 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:34:53,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:34:53,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:34:53,012 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:34:53,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 00:34:53,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:34:53,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:34:53,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:34:53,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:34:53,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:34:53,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:34:53,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:34:53,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:34:53,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:34:53,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:34:53,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:34:53,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:34:53,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:34:53,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:34:53,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:34:53,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:34:53,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:34:53,019 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 00:34:53,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 00:34:53,019 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:34:53,019 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:34:53,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:34:53,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:34:53,020 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77640868601be41246aa819b7e4e87995230298ea897561367d6e56014f366ff [2024-10-11 00:34:53,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:34:53,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:34:53,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:34:53,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:34:53,267 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:34:53,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2024-10-11 00:34:54,669 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:34:54,932 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:34:54,933 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2024-10-11 00:34:54,944 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d8b0cad50/c3e29af98ff04b3bb10c35b2bba36e96/FLAG63c7e0fba [2024-10-11 00:34:54,957 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d8b0cad50/c3e29af98ff04b3bb10c35b2bba36e96 [2024-10-11 00:34:54,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:34:54,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:34:54,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:34:54,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:34:54,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:34:54,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:54" (1/1) ... [2024-10-11 00:34:54,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72707319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:54, skipping insertion in model container [2024-10-11 00:34:54,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:54" (1/1) ... [2024-10-11 00:34:55,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:34:55,315 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_0682a.c[6875,6888] [2024-10-11 00:34:55,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:34:55,335 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:34:55,375 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_0682a.c[6875,6888] [2024-10-11 00:34:55,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:34:55,397 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:34:55,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:55 WrapperNode [2024-10-11 00:34:55,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:34:55,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:34:55,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:34:55,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:34:55,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:55" (1/1) ... [2024-10-11 00:34:55,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:55" (1/1) ... [2024-10-11 00:34:55,460 INFO L138 Inliner]: procedures = 21, calls = 98, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 388 [2024-10-11 00:34:55,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:34:55,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:34:55,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:34:55,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:34:55,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:55" (1/1) ... [2024-10-11 00:34:55,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:55" (1/1) ... [2024-10-11 00:34:55,475 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:55" (1/1) ... [2024-10-11 00:34:55,494 INFO L175 MemorySlicer]: Split 63 memory accesses to 14 slices as follows [2, 2, 7, 7, 3, 22, 3, 3, 2, 3, 2, 2, 2, 3]. 35 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 4, 4, 0, 11, 0, 0, 0, 0, 0, 0, 0, 0]. The 12 writes are split as follows [0, 1, 0, 0, 2, 0, 1, 1, 1, 1, 1, 1, 1, 2]. [2024-10-11 00:34:55,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:55" (1/1) ... [2024-10-11 00:34:55,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:55" (1/1) ... [2024-10-11 00:34:55,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:55" (1/1) ... [2024-10-11 00:34:55,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:55" (1/1) ... [2024-10-11 00:34:55,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:55" (1/1) ... [2024-10-11 00:34:55,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:55" (1/1) ... [2024-10-11 00:34:55,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:34:55,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:34:55,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:34:55,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:34:55,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:55" (1/1) ... [2024-10-11 00:34:55,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:34:55,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:34:55,572 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 00:34:55,575 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 00:34:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:34:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 00:34:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 00:34:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 00:34:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 00:34:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 00:34:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 00:34:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 00:34:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 00:34:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 00:34:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 00:34:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 00:34:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 00:34:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 00:34:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 00:34:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:34:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-11 00:34:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-11 00:34:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-11 00:34:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-11 00:34:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-11 00:34:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-11 00:34:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-11 00:34:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-11 00:34:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-11 00:34:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-11 00:34:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-11 00:34:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-11 00:34:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-11 00:34:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-10-11 00:34:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 00:34:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 00:34:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 00:34:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 00:34:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 00:34:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 00:34:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 00:34:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 00:34:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 00:34:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 00:34:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 00:34:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 00:34:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 00:34:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 00:34:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-11 00:34:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-11 00:34:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-11 00:34:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-11 00:34:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-11 00:34:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-11 00:34:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-11 00:34:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-11 00:34:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-11 00:34:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-11 00:34:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-11 00:34:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-11 00:34:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-11 00:34:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-11 00:34:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-11 00:34:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-10-11 00:34:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-11 00:34:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-11 00:34:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:34:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:34:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 00:34:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 00:34:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 00:34:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 00:34:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 00:34:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 00:34:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 00:34:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 00:34:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 00:34:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 00:34:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 00:34:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 00:34:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 00:34:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 00:34:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-11 00:34:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-11 00:34:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-11 00:34:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-11 00:34:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-11 00:34:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-11 00:34:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-11 00:34:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-11 00:34:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-11 00:34:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-11 00:34:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-11 00:34:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-11 00:34:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-10-11 00:34:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-10-11 00:34:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:34:55,781 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:34:55,783 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:34:56,252 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-10-11 00:34:56,253 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:34:56,294 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:34:56,294 INFO L314 CfgBuilder]: Removed 20 assume(true) statements. [2024-10-11 00:34:56,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:56 BoogieIcfgContainer [2024-10-11 00:34:56,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:34:56,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:34:56,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:34:56,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:34:56,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:34:54" (1/3) ... [2024-10-11 00:34:56,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24977bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:56, skipping insertion in model container [2024-10-11 00:34:56,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:55" (2/3) ... [2024-10-11 00:34:56,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24977bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:56, skipping insertion in model container [2024-10-11 00:34:56,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:56" (3/3) ... [2024-10-11 00:34:56,305 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682a.c [2024-10-11 00:34:56,318 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:34:56,318 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:34:56,366 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:34:56,372 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;@178adea7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:34:56,372 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:34:56,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 122 states have (on average 1.6885245901639345) internal successors, (206), 123 states have internal predecessors, (206), 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 00:34:56,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-11 00:34:56,382 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:34:56,382 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:34:56,383 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:34:56,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:34:56,387 INFO L85 PathProgramCache]: Analyzing trace with hash 49609836, now seen corresponding path program 1 times [2024-10-11 00:34:56,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:34:56,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196305429] [2024-10-11 00:34:56,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:34:56,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:34:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:34:56,582 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 00:34:56,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:34:56,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196305429] [2024-10-11 00:34:56,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196305429] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:34:56,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:34:56,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:34:56,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312730262] [2024-10-11 00:34:56,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:34:56,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:34:56,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:34:56,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:34:56,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:34:56,685 INFO L87 Difference]: Start difference. First operand has 130 states, 122 states have (on average 1.6885245901639345) internal successors, (206), 123 states have internal predecessors, (206), 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 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:34:56,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:34:56,753 INFO L93 Difference]: Finished difference Result 259 states and 431 transitions. [2024-10-11 00:34:56,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:34:56,755 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-11 00:34:56,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:34:56,763 INFO L225 Difference]: With dead ends: 259 [2024-10-11 00:34:56,764 INFO L226 Difference]: Without dead ends: 127 [2024-10-11 00:34:56,767 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 00:34:56,770 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:34:56,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:34:56,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-10-11 00:34:56,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-10-11 00:34:56,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 120 states have (on average 1.5083333333333333) internal successors, (181), 120 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 00:34:56,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 189 transitions. [2024-10-11 00:34:56,811 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 189 transitions. Word has length 22 [2024-10-11 00:34:56,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:34:56,812 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 189 transitions. [2024-10-11 00:34:56,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:34:56,813 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 189 transitions. [2024-10-11 00:34:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 00:34:56,814 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:34:56,814 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:34:56,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 00:34:56,815 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:34:56,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:34:56,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1064176321, now seen corresponding path program 1 times [2024-10-11 00:34:56,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:34:56,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779176097] [2024-10-11 00:34:56,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:34:56,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:34:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:34:57,000 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 00:34:57,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:34:57,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779176097] [2024-10-11 00:34:57,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779176097] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:34:57,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:34:57,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 00:34:57,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545092186] [2024-10-11 00:34:57,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:34:57,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 00:34:57,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:34:57,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 00:34:57,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 00:34:57,006 INFO L87 Difference]: Start difference. First operand 127 states and 189 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 00:34:57,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:34:57,046 INFO L93 Difference]: Finished difference Result 235 states and 352 transitions. [2024-10-11 00:34:57,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 00:34:57,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2024-10-11 00:34:57,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:34:57,048 INFO L225 Difference]: With dead ends: 235 [2024-10-11 00:34:57,049 INFO L226 Difference]: Without dead ends: 127 [2024-10-11 00:34:57,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 00:34:57,050 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:34:57,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:34:57,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-10-11 00:34:57,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-10-11 00:34:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 120 states have (on average 1.5) internal successors, (180), 120 states have internal predecessors, (180), 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 00:34:57,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 188 transitions. [2024-10-11 00:34:57,068 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 188 transitions. Word has length 25 [2024-10-11 00:34:57,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:34:57,068 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 188 transitions. [2024-10-11 00:34:57,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 00:34:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 188 transitions. [2024-10-11 00:34:57,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 00:34:57,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:34:57,069 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:34:57,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 00:34:57,069 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:34:57,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:34:57,070 INFO L85 PathProgramCache]: Analyzing trace with hash -594016901, now seen corresponding path program 1 times [2024-10-11 00:34:57,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:34:57,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330101427] [2024-10-11 00:34:57,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:34:57,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:34:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:34:57,419 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 00:34:57,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:34:57,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330101427] [2024-10-11 00:34:57,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330101427] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:34:57,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:34:57,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 00:34:57,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389725383] [2024-10-11 00:34:57,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:34:57,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 00:34:57,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:34:57,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 00:34:57,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 00:34:57,422 INFO L87 Difference]: Start difference. First operand 127 states and 188 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 00:34:57,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:34:57,479 INFO L93 Difference]: Finished difference Result 244 states and 362 transitions. [2024-10-11 00:34:57,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 00:34:57,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2024-10-11 00:34:57,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:34:57,480 INFO L225 Difference]: With dead ends: 244 [2024-10-11 00:34:57,480 INFO L226 Difference]: Without dead ends: 131 [2024-10-11 00:34:57,481 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 00:34:57,482 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 2 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:34:57,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 517 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:34:57,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-11 00:34:57,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 130. [2024-10-11 00:34:57,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 123 states have (on average 1.4878048780487805) internal successors, (183), 123 states have internal predecessors, (183), 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 00:34:57,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 191 transitions. [2024-10-11 00:34:57,489 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 191 transitions. Word has length 28 [2024-10-11 00:34:57,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:34:57,490 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 191 transitions. [2024-10-11 00:34:57,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 00:34:57,490 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 191 transitions. [2024-10-11 00:34:57,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 00:34:57,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:34:57,491 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:34:57,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 00:34:57,491 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:34:57,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:34:57,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1516285187, now seen corresponding path program 1 times [2024-10-11 00:34:57,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:34:57,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294222978] [2024-10-11 00:34:57,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:34:57,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:34:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:34:57,665 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 00:34:57,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:34:57,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294222978] [2024-10-11 00:34:57,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294222978] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:34:57,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:34:57,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 00:34:57,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808295374] [2024-10-11 00:34:57,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:34:57,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 00:34:57,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:34:57,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 00:34:57,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 00:34:57,668 INFO L87 Difference]: Start difference. First operand 130 states and 191 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 00:34:57,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:34:57,712 INFO L93 Difference]: Finished difference Result 218 states and 326 transitions. [2024-10-11 00:34:57,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 00:34:57,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 29 [2024-10-11 00:34:57,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:34:57,716 INFO L225 Difference]: With dead ends: 218 [2024-10-11 00:34:57,716 INFO L226 Difference]: Without dead ends: 132 [2024-10-11 00:34:57,716 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 00:34:57,717 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:34:57,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 521 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:34:57,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-10-11 00:34:57,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-10-11 00:34:57,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 125 states have (on average 1.48) internal successors, (185), 125 states have internal predecessors, (185), 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 00:34:57,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 193 transitions. [2024-10-11 00:34:57,728 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 193 transitions. Word has length 29 [2024-10-11 00:34:57,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:34:57,729 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 193 transitions. [2024-10-11 00:34:57,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 00:34:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 193 transitions. [2024-10-11 00:34:57,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 00:34:57,729 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:34:57,729 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:34:57,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 00:34:57,729 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:34:57,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:34:57,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1313038349, now seen corresponding path program 1 times [2024-10-11 00:34:57,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:34:57,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275097633] [2024-10-11 00:34:57,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:34:57,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:34:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:34:57,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 00:34:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:34:57,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 00:34:57,923 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 00:34:57,924 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 00:34:57,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 00:34:57,928 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-11 00:34:57,954 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 00:34:57,957 INFO L158 Benchmark]: Toolchain (without parser) took 2996.24ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 69.0MB in the beginning and 71.5MB in the end (delta: -2.6MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2024-10-11 00:34:57,958 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 140.5MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:34:57,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.85ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 68.8MB in the beginning and 169.4MB in the end (delta: -100.5MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-10-11 00:34:57,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.88ms. Allocated memory is still 205.5MB. Free memory was 169.4MB in the beginning and 166.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 00:34:57,961 INFO L158 Benchmark]: Boogie Preprocessor took 73.22ms. Allocated memory is still 205.5MB. Free memory was 166.2MB in the beginning and 161.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 00:34:57,962 INFO L158 Benchmark]: RCFGBuilder took 759.67ms. Allocated memory is still 205.5MB. Free memory was 159.9MB in the beginning and 111.7MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-10-11 00:34:57,962 INFO L158 Benchmark]: TraceAbstraction took 1660.28ms. Allocated memory is still 205.5MB. Free memory was 110.6MB in the beginning and 71.5MB in the end (delta: 39.1MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-10-11 00:34:57,963 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 140.5MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.85ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 68.8MB in the beginning and 169.4MB in the end (delta: -100.5MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.88ms. Allocated memory is still 205.5MB. Free memory was 169.4MB in the beginning and 166.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.22ms. Allocated memory is still 205.5MB. Free memory was 166.2MB in the beginning and 161.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 759.67ms. Allocated memory is still 205.5MB. Free memory was 159.9MB in the beginning and 111.7MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1660.28ms. Allocated memory is still 205.5MB. Free memory was 110.6MB in the beginning and 71.5MB in the end (delta: 39.1MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 00:34:57,991 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_0682a.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 77640868601be41246aa819b7e4e87995230298ea897561367d6e56014f366ff --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:35:00,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:35:00,060 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 00:35:00,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:35:00,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:35:00,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:35:00,101 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:35:00,101 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:35:00,101 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:35:00,101 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:35:00,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:35:00,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:35:00,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:35:00,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:35:00,103 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:35:00,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:35:00,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:35:00,107 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:35:00,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:35:00,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:35:00,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:35:00,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:35:00,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:35:00,112 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 00:35:00,112 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 00:35:00,112 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:35:00,113 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 00:35:00,113 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:35:00,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:35:00,113 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:35:00,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:35:00,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:35:00,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:35:00,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:35:00,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:35:00,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:35:00,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:35:00,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:35:00,114 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 00:35:00,114 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 00:35:00,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:35:00,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:35:00,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:35:00,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:35:00,119 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 00:35:00,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77640868601be41246aa819b7e4e87995230298ea897561367d6e56014f366ff [2024-10-11 00:35:00,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:35:00,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:35:00,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:35:00,457 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:35:00,457 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:35:00,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2024-10-11 00:35:01,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:35:02,064 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:35:02,065 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2024-10-11 00:35:02,079 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0eae937d5/f127ff8314ee4fd99c71b479a8760d24/FLAGba1b08f6b [2024-10-11 00:35:02,095 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0eae937d5/f127ff8314ee4fd99c71b479a8760d24 [2024-10-11 00:35:02,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:35:02,099 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:35:02,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:35:02,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:35:02,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:35:02,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:02" (1/1) ... [2024-10-11 00:35:02,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5be657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02, skipping insertion in model container [2024-10-11 00:35:02,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:02" (1/1) ... [2024-10-11 00:35:02,133 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:35:02,381 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_0682a.c[6875,6888] [2024-10-11 00:35:02,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:35:02,412 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:35:02,472 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_0682a.c[6875,6888] [2024-10-11 00:35:02,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:35:02,499 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:35:02,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02 WrapperNode [2024-10-11 00:35:02,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:35:02,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:35:02,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:35:02,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:35:02,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02" (1/1) ... [2024-10-11 00:35:02,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02" (1/1) ... [2024-10-11 00:35:02,564 INFO L138 Inliner]: procedures = 24, calls = 98, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 278 [2024-10-11 00:35:02,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:35:02,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:35:02,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:35:02,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:35:02,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02" (1/1) ... [2024-10-11 00:35:02,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02" (1/1) ... [2024-10-11 00:35:02,587 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02" (1/1) ... [2024-10-11 00:35:02,620 INFO L175 MemorySlicer]: Split 63 memory accesses to 14 slices as follows [2, 7, 7, 3, 22, 2, 3, 2, 2, 3, 2, 2, 3, 3]. 35 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 4, 4, 0, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 12 writes are split as follows [0, 0, 0, 2, 0, 1, 2, 1, 1, 1, 1, 1, 1, 1]. [2024-10-11 00:35:02,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02" (1/1) ... [2024-10-11 00:35:02,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02" (1/1) ... [2024-10-11 00:35:02,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02" (1/1) ... [2024-10-11 00:35:02,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02" (1/1) ... [2024-10-11 00:35:02,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02" (1/1) ... [2024-10-11 00:35:02,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02" (1/1) ... [2024-10-11 00:35:02,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:35:02,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:35:02,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:35:02,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:35:02,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02" (1/1) ... [2024-10-11 00:35:02,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:35:02,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:35:02,722 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 00:35:02,726 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 00:35:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:35:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-11 00:35:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-11 00:35:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-11 00:35:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-11 00:35:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-11 00:35:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-11 00:35:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-11 00:35:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-11 00:35:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-11 00:35:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-11 00:35:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-11 00:35:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-11 00:35:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-10-11 00:35:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2024-10-11 00:35:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-11 00:35:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-11 00:35:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-11 00:35:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-11 00:35:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-11 00:35:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-11 00:35:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-11 00:35:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-11 00:35:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-11 00:35:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-11 00:35:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-11 00:35:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-11 00:35:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-10-11 00:35:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2024-10-11 00:35:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 00:35:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-11 00:35:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-11 00:35:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-11 00:35:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-11 00:35:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-11 00:35:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-11 00:35:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-11 00:35:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-11 00:35:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-11 00:35:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-11 00:35:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-11 00:35:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-10-11 00:35:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-10-11 00:35:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:35:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-11 00:35:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-11 00:35:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-11 00:35:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-11 00:35:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-11 00:35:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-11 00:35:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-11 00:35:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-11 00:35:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-11 00:35:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-11 00:35:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-11 00:35:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-11 00:35:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-11 00:35:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-11 00:35:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-10-11 00:35:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2024-10-11 00:35:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-11 00:35:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-11 00:35:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-11 00:35:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-11 00:35:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-11 00:35:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-11 00:35:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-11 00:35:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-11 00:35:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-11 00:35:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-11 00:35:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-11 00:35:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-11 00:35:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-11 00:35:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-11 00:35:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-10-11 00:35:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-10-11 00:35:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:35:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:35:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-11 00:35:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-11 00:35:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-11 00:35:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-11 00:35:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-11 00:35:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-11 00:35:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-11 00:35:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-11 00:35:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-11 00:35:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-11 00:35:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-11 00:35:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-11 00:35:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-10-11 00:35:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-10-11 00:35:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:35:03,026 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:35:03,030 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:35:48,394 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-10-11 00:35:48,394 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:35:48,449 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:35:48,449 INFO L314 CfgBuilder]: Removed 20 assume(true) statements. [2024-10-11 00:35:48,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:48 BoogieIcfgContainer [2024-10-11 00:35:48,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:35:48,475 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:35:48,476 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:35:48,479 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:35:48,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:35:02" (1/3) ... [2024-10-11 00:35:48,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@615424f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:48, skipping insertion in model container [2024-10-11 00:35:48,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:02" (2/3) ... [2024-10-11 00:35:48,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@615424f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:48, skipping insertion in model container [2024-10-11 00:35:48,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:48" (3/3) ... [2024-10-11 00:35:48,481 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682a.c [2024-10-11 00:35:48,494 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:35:48,494 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:35:48,547 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:35:48,554 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;@6f371fef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:35:48,554 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:35:48,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 80 states have (on average 1.7375) internal successors, (139), 81 states have internal predecessors, (139), 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 00:35:48,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 00:35:48,564 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:48,565 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:48,566 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:48,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:48,571 INFO L85 PathProgramCache]: Analyzing trace with hash 448528835, now seen corresponding path program 1 times [2024-10-11 00:35:48,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:48,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787441523] [2024-10-11 00:35:48,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:48,587 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 00:35:48,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:48,590 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 00:35:48,592 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 00:35:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:48,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 00:35:48,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:48,989 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 00:35:48,990 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:48,991 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:48,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787441523] [2024-10-11 00:35:48,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [787441523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:48,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:48,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:35:48,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415468647] [2024-10-11 00:35:48,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:49,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:35:49,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:49,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:35:49,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:35:49,033 INFO L87 Difference]: Start difference. First operand has 88 states, 80 states have (on average 1.7375) internal successors, (139), 81 states have internal predecessors, (139), 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:49,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:49,739 INFO L93 Difference]: Finished difference Result 175 states and 297 transitions. [2024-10-11 00:35:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:35:49,741 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-11 00:35:49,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:49,747 INFO L225 Difference]: With dead ends: 175 [2024-10-11 00:35:49,747 INFO L226 Difference]: Without dead ends: 85 [2024-10-11 00:35:49,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 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 00:35:49,752 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:49,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 00:35:49,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-10-11 00:35:49,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-10-11 00:35:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 78 states have (on average 1.4615384615384615) internal successors, (114), 78 states have internal predecessors, (114), 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 00:35:49,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 122 transitions. [2024-10-11 00:35:49,780 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 122 transitions. Word has length 13 [2024-10-11 00:35:49,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:49,780 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 122 transitions. [2024-10-11 00:35:49,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2024-10-11 00:35:49,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 00:35:49,781 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:49,781 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:49,795 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 (2)] Forceful destruction successful, exit code 0 [2024-10-11 00:35:49,983 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 00:35:49,985 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:49,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:49,985 INFO L85 PathProgramCache]: Analyzing trace with hash -624989546, now seen corresponding path program 1 times [2024-10-11 00:35:49,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:49,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748011708] [2024-10-11 00:35:49,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:49,986 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 00:35:49,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:49,988 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 00:35:49,989 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 00:35:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:50,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 00:35:50,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:50,834 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 00:35:50,834 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:50,835 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:50,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748011708] [2024-10-11 00:35:50,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748011708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:50,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:50,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 00:35:50,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946421434] [2024-10-11 00:35:50,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:50,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 00:35:50,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:50,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 00:35:50,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 00:35:50,842 INFO L87 Difference]: Start difference. First operand 85 states and 122 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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 00:35:52,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:52,589 INFO L93 Difference]: Finished difference Result 162 states and 235 transitions. [2024-10-11 00:35:52,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 00:35:52,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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 00:35:52,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:52,591 INFO L225 Difference]: With dead ends: 162 [2024-10-11 00:35:52,591 INFO L226 Difference]: Without dead ends: 85 [2024-10-11 00:35:52,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 00:35:52,595 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:52,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 00:35:52,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-10-11 00:35:52,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-10-11 00:35:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 78 states have (on average 1.4487179487179487) internal successors, (113), 78 states have internal predecessors, (113), 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 00:35:52,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 121 transitions. [2024-10-11 00:35:52,609 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 121 transitions. Word has length 16 [2024-10-11 00:35:52,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:52,610 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 121 transitions. [2024-10-11 00:35:52,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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 00:35:52,610 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2024-10-11 00:35:52,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-11 00:35:52,610 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:52,611 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:52,629 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 (3)] Ended with exit code 0 [2024-10-11 00:35:52,811 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 00:35:52,815 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:52,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:52,817 INFO L85 PathProgramCache]: Analyzing trace with hash 328694493, now seen corresponding path program 1 times [2024-10-11 00:35:52,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:52,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008649511] [2024-10-11 00:35:52,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:52,819 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 00:35:52,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:52,822 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 00:35:52,824 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 00:35:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:53,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-11 00:35:53,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:36:21,717 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 00:36:21,717 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:36:21,717 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:36:21,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008649511] [2024-10-11 00:36:21,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008649511] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:36:21,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:36:21,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 00:36:21,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503054027] [2024-10-11 00:36:21,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:36:21,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 00:36:21,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:36:21,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 00:36:21,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=106, Unknown=1, NotChecked=0, Total=132 [2024-10-11 00:36:21,720 INFO L87 Difference]: Start difference. First operand 85 states and 121 transitions. Second operand has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 11 states have internal predecessors, (19), 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 00:36:34,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]