./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_0683a.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_0683a.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 ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:35:16,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:35:16,635 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 00:35:16,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:35:16,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:35:16,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:35:16,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:35:16,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:35:16,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:35:16,673 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:35:16,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:35:16,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:35:16,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:35:16,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:35:16,676 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:35:16,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:35:16,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:35:16,677 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:35:16,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 00:35:16,678 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:35:16,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:35:16,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:35:16,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:35:16,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:35:16,683 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:35:16,684 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:35:16,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:35:16,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:35:16,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:35:16,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:35:16,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:35:16,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:35:16,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:35:16,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:35:16,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:35:16,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:35:16,692 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 00:35:16,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 00:35:16,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:35:16,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:35:16,693 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:35:16,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:35:16,693 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 [2024-10-11 00:35:17,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:35:17,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:35:17,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:35:17,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:35:17,040 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:35:17,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2024-10-11 00:35:18,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:35:18,976 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:35:18,977 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2024-10-11 00:35:18,988 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/e9c9feb51/1dde5cedb1474cfaa1bf3c1659bde3a5/FLAG50bdeb788 [2024-10-11 00:35:19,005 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/e9c9feb51/1dde5cedb1474cfaa1bf3c1659bde3a5 [2024-10-11 00:35:19,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:35:19,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:35:19,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:35:19,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:35:19,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:35:19,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:19" (1/1) ... [2024-10-11 00:35:19,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42093a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19, skipping insertion in model container [2024-10-11 00:35:19,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:19" (1/1) ... [2024-10-11 00:35:19,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:35:19,366 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_0683a.c[7147,7160] [2024-10-11 00:35:19,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:35:19,390 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:35:19,456 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_0683a.c[7147,7160] [2024-10-11 00:35:19,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:35:19,487 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:35:19,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19 WrapperNode [2024-10-11 00:35:19,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:35:19,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:35:19,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:35:19,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:35:19,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19" (1/1) ... [2024-10-11 00:35:19,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19" (1/1) ... [2024-10-11 00:35:19,555 INFO L138 Inliner]: procedures = 22, calls = 103, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 413 [2024-10-11 00:35:19,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:35:19,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:35:19,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:35:19,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:35:19,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19" (1/1) ... [2024-10-11 00:35:19,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19" (1/1) ... [2024-10-11 00:35:19,587 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19" (1/1) ... [2024-10-11 00:35:19,635 INFO L175 MemorySlicer]: Split 65 memory accesses to 15 slices as follows [2, 2, 7, 7, 22, 2, 2, 3, 3, 2, 2, 3, 3, 3, 2]. 34 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 4, 4, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 13 writes are split as follows [0, 1, 0, 0, 0, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1]. [2024-10-11 00:35:19,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19" (1/1) ... [2024-10-11 00:35:19,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19" (1/1) ... [2024-10-11 00:35:19,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19" (1/1) ... [2024-10-11 00:35:19,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19" (1/1) ... [2024-10-11 00:35:19,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19" (1/1) ... [2024-10-11 00:35:19,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19" (1/1) ... [2024-10-11 00:35:19,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:35:19,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:35:19,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:35:19,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:35:19,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19" (1/1) ... [2024-10-11 00:35:19,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:35:19,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:35:19,796 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 00:35:19,801 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 00:35:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:35:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 00:35:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 00:35:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 00:35:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 00:35:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 00:35:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 00:35:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 00:35:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 00:35:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 00:35:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 00:35:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 00:35:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 00:35:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 00:35:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 00:35:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 00:35:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:35:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-11 00:35:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-11 00:35:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-11 00:35:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-11 00:35:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-11 00:35:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-11 00:35:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-11 00:35:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-11 00:35:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-11 00:35:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-11 00:35:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-11 00:35:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-11 00:35:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-11 00:35:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-10-11 00:35:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-10-11 00:35:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 00:35:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 00:35:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 00:35:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 00:35:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 00:35:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 00:35:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 00:35:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 00:35:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 00:35:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 00:35:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 00:35:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 00:35:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 00:35:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 00:35:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 00:35:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-11 00:35:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-11 00:35:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-11 00:35:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-11 00:35:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-11 00:35:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-11 00:35:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-11 00:35:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-11 00:35:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-11 00:35:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-11 00:35:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-11 00:35:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-11 00:35:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-11 00:35:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-11 00:35:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-11 00:35:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-10-11 00:35:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-10-11 00:35:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-11 00:35:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-11 00:35:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:35:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:35:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 00:35:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 00:35:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 00:35:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 00:35:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 00:35:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 00:35:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 00:35:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 00:35:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 00:35:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 00:35:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 00:35:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 00:35:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 00:35:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 00:35:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 00:35:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-11 00:35:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-11 00:35:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-11 00:35:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-11 00:35:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-11 00:35:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-11 00:35:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-11 00:35:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-11 00:35:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-11 00:35:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-11 00:35:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-11 00:35:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-11 00:35:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-10-11 00:35:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-10-11 00:35:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-10-11 00:35:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:35:20,103 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:35:20,106 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:35:20,964 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-10-11 00:35:20,965 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:35:21,024 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:35:21,025 INFO L314 CfgBuilder]: Removed 22 assume(true) statements. [2024-10-11 00:35:21,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:21 BoogieIcfgContainer [2024-10-11 00:35:21,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:35:21,030 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:35:21,032 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:35:21,035 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:35:21,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:35:19" (1/3) ... [2024-10-11 00:35:21,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad7b1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:21, skipping insertion in model container [2024-10-11 00:35:21,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:19" (2/3) ... [2024-10-11 00:35:21,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad7b1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:21, skipping insertion in model container [2024-10-11 00:35:21,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:21" (3/3) ... [2024-10-11 00:35:21,041 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2024-10-11 00:35:21,062 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:35:21,062 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:35:21,132 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:35:21,139 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;@146474c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:35:21,140 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:35:21,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 126 states have (on average 1.6904761904761905) internal successors, (213), 127 states have internal predecessors, (213), 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 00:35:21,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 00:35:21,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:21,153 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] [2024-10-11 00:35:21,154 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:21,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:21,162 INFO L85 PathProgramCache]: Analyzing trace with hash 511119900, now seen corresponding path program 1 times [2024-10-11 00:35:21,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:35:21,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401334488] [2024-10-11 00:35:21,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:21,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:35:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:21,465 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 00:35:21,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:35:21,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401334488] [2024-10-11 00:35:21,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401334488] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:21,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:21,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:35:21,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252283634] [2024-10-11 00:35:21,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:21,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:35:21,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:35:21,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:35:21,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:35:21,503 INFO L87 Difference]: Start difference. First operand has 134 states, 126 states have (on average 1.6904761904761905) internal successors, (213), 127 states have internal predecessors, (213), 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 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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 00:35:21,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:21,594 INFO L93 Difference]: Finished difference Result 267 states and 445 transitions. [2024-10-11 00:35:21,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:35:21,597 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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 23 [2024-10-11 00:35:21,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:21,605 INFO L225 Difference]: With dead ends: 267 [2024-10-11 00:35:21,605 INFO L226 Difference]: Without dead ends: 131 [2024-10-11 00:35:21,609 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 00:35:21,612 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:21,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:35:21,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-11 00:35:21,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-10-11 00:35:21,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 124 states have (on average 1.5) internal successors, (186), 124 states have internal predecessors, (186), 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 00:35:21,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 194 transitions. [2024-10-11 00:35:21,658 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 194 transitions. Word has length 23 [2024-10-11 00:35:21,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:21,658 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 194 transitions. [2024-10-11 00:35:21,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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 00:35:21,659 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 194 transitions. [2024-10-11 00:35:21,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 00:35:21,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:21,660 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] [2024-10-11 00:35:21,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 00:35:21,660 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:21,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:21,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1148574469, now seen corresponding path program 1 times [2024-10-11 00:35:21,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:35:21,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225774183] [2024-10-11 00:35:21,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:21,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:35:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:21,930 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 00:35:21,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:35:21,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225774183] [2024-10-11 00:35:21,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225774183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:21,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:21,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 00:35:21,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219238224] [2024-10-11 00:35:21,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:21,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 00:35:21,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:35:21,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 00:35:21,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 00:35:21,934 INFO L87 Difference]: Start difference. First operand 131 states and 194 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 00:35:21,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:21,998 INFO L93 Difference]: Finished difference Result 243 states and 362 transitions. [2024-10-11 00:35:21,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 00:35:22,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 26 [2024-10-11 00:35:22,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:22,003 INFO L225 Difference]: With dead ends: 243 [2024-10-11 00:35:22,003 INFO L226 Difference]: Without dead ends: 131 [2024-10-11 00:35:22,004 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 00:35:22,006 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:22,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 367 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:35:22,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-11 00:35:22,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-10-11 00:35:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 124 states have (on average 1.4919354838709677) internal successors, (185), 124 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 00:35:22,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 193 transitions. [2024-10-11 00:35:22,018 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 193 transitions. Word has length 26 [2024-10-11 00:35:22,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:22,019 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 193 transitions. [2024-10-11 00:35:22,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 00:35:22,019 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 193 transitions. [2024-10-11 00:35:22,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 00:35:22,020 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:22,020 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 00:35:22,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 00:35:22,021 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:22,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:22,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1191493231, now seen corresponding path program 1 times [2024-10-11 00:35:22,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:35:22,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321926101] [2024-10-11 00:35:22,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:22,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:35:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:22,649 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 00:35:22,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:35:22,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321926101] [2024-10-11 00:35:22,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321926101] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:22,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:22,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 00:35:22,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530276837] [2024-10-11 00:35:22,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:22,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 00:35:22,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:35:22,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 00:35:22,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 00:35:22,652 INFO L87 Difference]: Start difference. First operand 131 states and 193 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 00:35:22,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:22,779 INFO L93 Difference]: Finished difference Result 252 states and 372 transitions. [2024-10-11 00:35:22,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 00:35:22,780 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 00:35:22,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:22,782 INFO L225 Difference]: With dead ends: 252 [2024-10-11 00:35:22,782 INFO L226 Difference]: Without dead ends: 135 [2024-10-11 00:35:22,783 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 00:35:22,784 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 2 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:22,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 529 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 00:35:22,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-10-11 00:35:22,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 134. [2024-10-11 00:35:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 127 states have (on average 1.4803149606299213) internal successors, (188), 127 states have internal predecessors, (188), 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 00:35:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 196 transitions. [2024-10-11 00:35:22,810 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 196 transitions. Word has length 29 [2024-10-11 00:35:22,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:22,811 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 196 transitions. [2024-10-11 00:35:22,811 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 00:35:22,811 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 196 transitions. [2024-10-11 00:35:22,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 00:35:22,812 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:22,812 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 00:35:22,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 00:35:22,813 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:22,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:22,814 INFO L85 PathProgramCache]: Analyzing trace with hash 71967867, now seen corresponding path program 1 times [2024-10-11 00:35:22,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:35:22,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110083661] [2024-10-11 00:35:22,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:22,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:35:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:23,111 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 00:35:23,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:35:23,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110083661] [2024-10-11 00:35:23,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110083661] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:23,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:23,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 00:35:23,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213307344] [2024-10-11 00:35:23,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:23,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 00:35:23,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:35:23,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 00:35:23,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 00:35:23,117 INFO L87 Difference]: Start difference. First operand 134 states and 196 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 00:35:23,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:23,190 INFO L93 Difference]: Finished difference Result 226 states and 336 transitions. [2024-10-11 00:35:23,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 00:35:23,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 30 [2024-10-11 00:35:23,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:23,192 INFO L225 Difference]: With dead ends: 226 [2024-10-11 00:35:23,192 INFO L226 Difference]: Without dead ends: 136 [2024-10-11 00:35:23,193 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 00:35:23,194 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 0 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:23,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 533 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 00:35:23,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-10-11 00:35:23,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-10-11 00:35:23,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 129 states have (on average 1.4728682170542635) internal successors, (190), 129 states have internal predecessors, (190), 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 00:35:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 198 transitions. [2024-10-11 00:35:23,211 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 198 transitions. Word has length 30 [2024-10-11 00:35:23,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:23,211 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 198 transitions. [2024-10-11 00:35:23,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 00:35:23,212 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 198 transitions. [2024-10-11 00:35:23,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-11 00:35:23,213 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:23,213 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, 1] [2024-10-11 00:35:23,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 00:35:23,213 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:23,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:23,214 INFO L85 PathProgramCache]: Analyzing trace with hash -975155041, now seen corresponding path program 1 times [2024-10-11 00:35:23,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:35:23,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346826480] [2024-10-11 00:35:23,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:23,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:35:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:35:23,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 00:35:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:35:23,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 00:35:23,456 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 00:35:23,458 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 00:35:23,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 00:35:23,465 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-11 00:35:23,514 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, 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 00:35:23,518 INFO L158 Benchmark]: Toolchain (without parser) took 4507.40ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 124.0MB in the beginning and 68.7MB in the end (delta: 55.2MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. [2024-10-11 00:35:23,519 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory was 69.8MB in the beginning and 69.6MB in the end (delta: 157.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:35:23,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.51ms. Allocated memory is still 155.2MB. Free memory was 124.0MB in the beginning and 106.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-11 00:35:23,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.79ms. Allocated memory is still 155.2MB. Free memory was 106.7MB in the beginning and 103.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 00:35:23,520 INFO L158 Benchmark]: Boogie Preprocessor took 172.23ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 96.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 00:35:23,521 INFO L158 Benchmark]: RCFGBuilder took 1290.33ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 88.8MB in the end (delta: 8.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 00:35:23,521 INFO L158 Benchmark]: TraceAbstraction took 2487.74ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 87.8MB in the beginning and 68.7MB in the end (delta: 19.1MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2024-10-11 00:35:23,523 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory was 69.8MB in the beginning and 69.6MB in the end (delta: 157.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.51ms. Allocated memory is still 155.2MB. Free memory was 124.0MB in the beginning and 106.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.79ms. Allocated memory is still 155.2MB. Free memory was 106.7MB in the beginning and 103.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 172.23ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 96.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1290.33ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 88.8MB in the end (delta: 8.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2487.74ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 87.8MB in the beginning and 68.7MB in the end (delta: 19.1MB). Peak memory consumption was 74.4MB. 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 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, there is no C type to represent it. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, 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 00:35:23,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_0683a.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 ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:35:26,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:35:26,246 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 00:35:26,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:35:26,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:35:26,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:35:26,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:35:26,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:35:26,302 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:35:26,302 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:35:26,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:35:26,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:35:26,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:35:26,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:35:26,307 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:35:26,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:35:26,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:35:26,308 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:35:26,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:35:26,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:35:26,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:35:26,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:35:26,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:35:26,314 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 00:35:26,314 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 00:35:26,315 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:35:26,315 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 00:35:26,315 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:35:26,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:35:26,316 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:35:26,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:35:26,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:35:26,316 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:35:26,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:35:26,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:35:26,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:35:26,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:35:26,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:35:26,321 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 00:35:26,321 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 00:35:26,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:35:26,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:35:26,322 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:35:26,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:35:26,323 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 00:35:26,323 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 [2024-10-11 00:35:26,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:35:26,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:35:26,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:35:26,732 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:35:26,733 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:35:26,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2024-10-11 00:35:28,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:35:28,866 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:35:28,867 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2024-10-11 00:35:28,888 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0560f7e57/64b405c887394f939dbef8d3a7b15bd9/FLAGd61a2255b [2024-10-11 00:35:28,907 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0560f7e57/64b405c887394f939dbef8d3a7b15bd9 [2024-10-11 00:35:28,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:35:28,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:35:28,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:35:28,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:35:28,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:35:28,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:28" (1/1) ... [2024-10-11 00:35:28,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efbb5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:28, skipping insertion in model container [2024-10-11 00:35:28,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:28" (1/1) ... [2024-10-11 00:35:28,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:35:29,279 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_0683a.c[7147,7160] [2024-10-11 00:35:29,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:35:29,313 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:35:29,386 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_0683a.c[7147,7160] [2024-10-11 00:35:29,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:35:29,416 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:35:29,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:29 WrapperNode [2024-10-11 00:35:29,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:35:29,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:35:29,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:35:29,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:35:29,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:29" (1/1) ... [2024-10-11 00:35:29,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:29" (1/1) ... [2024-10-11 00:35:29,493 INFO L138 Inliner]: procedures = 25, calls = 103, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 302 [2024-10-11 00:35:29,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:35:29,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:35:29,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:35:29,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:35:29,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:29" (1/1) ... [2024-10-11 00:35:29,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:29" (1/1) ... [2024-10-11 00:35:29,518 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:29" (1/1) ... [2024-10-11 00:35:29,542 INFO L175 MemorySlicer]: Split 65 memory accesses to 15 slices as follows [2, 2, 7, 2, 7, 22, 2, 3, 3, 3, 2, 2, 2, 3, 3]. 34 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 4, 0, 4, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 13 writes are split as follows [0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2]. [2024-10-11 00:35:29,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:29" (1/1) ... [2024-10-11 00:35:29,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:29" (1/1) ... [2024-10-11 00:35:29,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:29" (1/1) ... [2024-10-11 00:35:29,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:29" (1/1) ... [2024-10-11 00:35:29,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:29" (1/1) ... [2024-10-11 00:35:29,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:29" (1/1) ... [2024-10-11 00:35:29,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:35:29,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:35:29,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:35:29,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:35:29,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:29" (1/1) ... [2024-10-11 00:35:29,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:35:29,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:35:29,656 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 00:35:29,662 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 00:35:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:35:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-11 00:35:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-11 00:35:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-11 00:35:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-11 00:35:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-11 00:35:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-11 00:35:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-11 00:35:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-11 00:35:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-11 00:35:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-11 00:35:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-11 00:35:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-11 00:35:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-10-11 00:35:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2024-10-11 00:35:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#14 [2024-10-11 00:35:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-11 00:35:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-11 00:35:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-11 00:35:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-11 00:35:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-11 00:35:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-11 00:35:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-11 00:35:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-11 00:35:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-11 00:35:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-11 00:35:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-11 00:35:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-11 00:35:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-10-11 00:35:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2024-10-11 00:35:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#14 [2024-10-11 00:35:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 00:35:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-11 00:35:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-11 00:35:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-11 00:35:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-11 00:35:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-11 00:35:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-11 00:35:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-11 00:35:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-11 00:35:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-11 00:35:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-11 00:35:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-11 00:35:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-10-11 00:35:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-10-11 00:35:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-10-11 00:35:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:35:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-11 00:35:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-11 00:35:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-11 00:35:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-11 00:35:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-11 00:35:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-11 00:35:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-11 00:35:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-11 00:35:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-11 00:35:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-11 00:35:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-11 00:35:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-11 00:35:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-11 00:35:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-11 00:35:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-10-11 00:35:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2024-10-11 00:35:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#14 [2024-10-11 00:35:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-11 00:35:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-11 00:35:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-11 00:35:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-11 00:35:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-11 00:35:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-11 00:35:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-11 00:35:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-11 00:35:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-11 00:35:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-11 00:35:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-11 00:35:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-11 00:35:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-11 00:35:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-11 00:35:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-10-11 00:35:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-10-11 00:35:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-10-11 00:35:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:35:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:35:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-11 00:35:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-11 00:35:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-11 00:35:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-11 00:35:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-11 00:35:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-11 00:35:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-11 00:35:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-11 00:35:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-11 00:35:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-11 00:35:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-11 00:35:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-11 00:35:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-10-11 00:35:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-10-11 00:35:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-10-11 00:35:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:35:29,961 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:35:29,964 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:36:09,320 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-10-11 00:36:09,320 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:36:09,373 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:36:09,373 INFO L314 CfgBuilder]: Removed 22 assume(true) statements. [2024-10-11 00:36:09,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:36:09 BoogieIcfgContainer [2024-10-11 00:36:09,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:36:09,377 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:36:09,377 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:36:09,381 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:36:09,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:35:28" (1/3) ... [2024-10-11 00:36:09,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1e3657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:36:09, skipping insertion in model container [2024-10-11 00:36:09,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:29" (2/3) ... [2024-10-11 00:36:09,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1e3657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:36:09, skipping insertion in model container [2024-10-11 00:36:09,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:36:09" (3/3) ... [2024-10-11 00:36:09,387 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2024-10-11 00:36:09,405 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:36:09,405 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:36:09,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:36:09,487 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;@58064139, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:36:09,488 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:36:09,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 84 states have (on average 1.7380952380952381) internal successors, (146), 85 states have internal predecessors, (146), 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 00:36:09,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 00:36:09,509 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:36:09,510 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:36:09,511 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:36:09,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:36:09,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1326973982, now seen corresponding path program 1 times [2024-10-11 00:36:09,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:36:09,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370754998] [2024-10-11 00:36:09,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:36:09,538 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 00:36:09,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:36:09,542 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 00:36:09,543 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 00:36:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:36:10,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 00:36:10,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:36:10,026 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 00:36:10,027 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:36:10,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:36:10,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370754998] [2024-10-11 00:36:10,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370754998] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:36:10,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:36:10,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:36:10,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88820038] [2024-10-11 00:36:10,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:36:10,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:36:10,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:36:10,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:36:10,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:36:10,064 INFO L87 Difference]: Start difference. First operand has 92 states, 84 states have (on average 1.7380952380952381) internal successors, (146), 85 states have internal predecessors, (146), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:36:10,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:36:10,822 INFO L93 Difference]: Finished difference Result 183 states and 311 transitions. [2024-10-11 00:36:10,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:36:10,824 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-11 00:36:10,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:36:10,830 INFO L225 Difference]: With dead ends: 183 [2024-10-11 00:36:10,831 INFO L226 Difference]: Without dead ends: 89 [2024-10-11 00:36:10,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 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 00:36:10,837 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 00:36:10,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 00:36:10,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-11 00:36:10,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-11 00:36:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.451219512195122) internal successors, (119), 82 states have internal predecessors, (119), 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 00:36:10,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2024-10-11 00:36:10,886 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 14 [2024-10-11 00:36:10,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:36:10,886 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2024-10-11 00:36:10,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:36:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2024-10-11 00:36:10,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 00:36:10,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:36:10,888 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:36:10,906 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 00:36:11,092 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 00:36:11,094 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:36:11,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:36:11,096 INFO L85 PathProgramCache]: Analyzing trace with hash -724135017, now seen corresponding path program 1 times [2024-10-11 00:36:11,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:36:11,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1178336268] [2024-10-11 00:36:11,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:36:11,097 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 00:36:11,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:36:11,101 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 00:36:11,104 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 00:36:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:36:11,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 00:36:11,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:36:11,960 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 00:36:11,961 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:36:11,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:36:11,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1178336268] [2024-10-11 00:36:11,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1178336268] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:36:11,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:36:11,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 00:36:11,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044201537] [2024-10-11 00:36:11,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:36:11,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 00:36:11,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:36:11,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 00:36:11,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 00:36:11,964 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:36:13,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:36:13,474 INFO L93 Difference]: Finished difference Result 170 states and 245 transitions. [2024-10-11 00:36:13,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 00:36:13,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-11 00:36:13,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:36:13,477 INFO L225 Difference]: With dead ends: 170 [2024-10-11 00:36:13,477 INFO L226 Difference]: Without dead ends: 89 [2024-10-11 00:36:13,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 00:36:13,479 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 00:36:13,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 00:36:13,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-11 00:36:13,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-11 00:36:13,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.4390243902439024) internal successors, (118), 82 states have internal predecessors, (118), 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 00:36:13,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2024-10-11 00:36:13,489 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 17 [2024-10-11 00:36:13,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:36:13,490 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2024-10-11 00:36:13,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:36:13,490 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2024-10-11 00:36:13,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 00:36:13,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:36:13,491 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] [2024-10-11 00:36:13,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-11 00:36:13,691 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 00:36:13,692 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:36:13,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:36:13,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1256442938, now seen corresponding path program 1 times [2024-10-11 00:36:13,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:36:13,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002339221] [2024-10-11 00:36:13,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:36:13,694 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 00:36:13,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:36:13,698 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 00:36:13,706 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 00:36:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:36:14,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-11 00:36:14,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:36:43,931 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 00:36:43,932 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:36:43,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:36:43,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002339221] [2024-10-11 00:36:43,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002339221] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:36:43,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:36:43,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 00:36:43,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747544687] [2024-10-11 00:36:43,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:36:43,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 00:36:43,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:36:43,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 00:36:43,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=106, Unknown=1, NotChecked=0, Total=132 [2024-10-11 00:36:43,937 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 states have internal predecessors, (20), 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)